| granule_type: | ATL09 |
| short_name: | ATL09 |
| level: | L3A |
| description: | Along-track Cloud and other significant atmosphere layer heights, blowing snow, integrated backscatter, optical depth |
| contributor_name: | Thomas E Neumann (thomas.neumann@nasa.gov), Thorsten Markus (thorsten.markus@nasa.gov), Suneel Bhardwaj (suneel.bhardwaj@nasa.gov) David W Hancock III (david.w.hancock@nasa.gov) |
| contributor_role: | Instrument Engineer, Investigator, Principle Investigator, Data Producer, Data Producer |
| Conventions: | CF-1.6 |
| date_type: | UTC |
| featureType: | trajectory |
| geospatial_lat_units: | degrees_north |
| geospatial_lon_units: | degrees_east |
| identifier_product_doi: | 10.5067/ATLAS/ATL09.001 |
| identifier_product_doi_authority: | http://dx.doi.org |
| identifier_product_type: | ATL09 |
| license: | Data may not be reproduced or distributed without including the citation for this product included in this metadata. Data may not be distributed in an altered form without the written permission of the ICESat-2 Science Project Office at NASA/GSFC. |
| naming_authority: | http://dx.doi.org |
| spatial_coverage_type: | Horizontal |
| standard_name_vocabulary: | CF-1.6 |
| time_type: | CCSDS UTC-A |
| date_created: | 2019-05-23T13:26:45.000000Z |
| hdfversion: | HDF5 1.10.3 |
| history: | 2019-05-23T13:26:45.000000Z;f737c66c-7778-37ab-a200-0cfee0675f21;Created by PGE atlas_l3a_atm Version 4.1 |
| identifier_file_uuid: | f737c66c-7778-37ab-a200-0cfee0675f21 |
| identifier_product_format_version: | 4.1 |
| time_coverage_duration: | 5657.0000000000000 |
| time_coverage_end: | 2018-11-17T10:40:21.000000Z |
| time_coverage_start: | 2018-11-17T09:06:04.000000Z |
| geospatial_lat_min: | -88.018490671091101 |
| geospatial_lon_min: | -179.99054067106431 |
| geospatial_lat_max: | 88.043163885934163 |
| geospatial_lon_max: | 179.98081571057057 |
| publisher_name: | NSIDC DAAC > NASA National Snow and Ice Data Center Distributed Active Archive Center |
| publisher_email: | nsidc@nsidc.org |
| publisher_url: | http://nsidc.org/daac/ |
| title: | ATLAS/ICESat-2 L3A Calibrated Backscatter Profiles and Atmospheric Layer Characteristics |
| identifier_file_product_type: | ATL09 |
| institution: | National Aeronautics and Space Administration (NASA) |
| creator_name: | GSFC I-SIPS > ICESat-2 Science Investigator-led Processing System |
| summary: | The purpose of ATL09 is to provide calibrated integrated backscatter, cloud layers and other meteorological and atmosphere data that will be used by in the creation of other ICESat-2 L3 products. |
| keywords: | EARTH SCIENCE > SPECTRAL/ENGINEERING > LIDAR > LIDAR BACKSCATTER > NONE > NONE > NONE |
| keywords_vocabulary: | NASA/GCMD Science Keywords |
| citation: | Cite these data in publications as follows: The data used in this study were produced by the ICESat-2 Science Project Office at NASA/GSFC. The data archive site is the NASA National Snow and Ice Data Center Distributed Active Archive Center. |
| processing_level: | 3A |
| references: | http://nsidc.org/data/icesat2/data.html |
| project: | ICESat-2 > Ice, Cloud, and land Elevation Satellite-2 |
| instrument: | ATLAS > Advanced Topographic Laser Altimeter System |
| platform: | ICESat-2 > Ice, Cloud, and land Elevation Satellite-2 |
| source: | Spacecraft |
| Unlimited_Dimension: | orbit_info_crossing_time, orbit_info_sc_orient_time, profile_1_bckgrd_atlas_delta_time, profile_1_high_rate_delta_time, profile_1_low_rate_delta_time, profile_2_bckgrd_atlas_delta_time, profile_2_high_rate_delta_time, profile_2_low_rate_delta_time, profile_3_bckgrd_atlas_delta_time, profile_3_high_rate_delta_time, profile_3_low_rate_delta_time |
| orbit_info_cycle_number: | Array of 16 bit Integers [orbit_info_crossing_time = 0..0] units: 1 contentType: referenceInformation long_name: Cycle Number description: A count of the number of exact repeats of this reference orbit. source: Operations valid_min: 0 valid_max: 50 origname: cycle_number fullnamepath: /orbit_info/cycle_number coordinates: orbit_info_crossing_time |
| orbit_info_orbit_number: | Array of 16 bit Unsigned integers [orbit_info_crossing_time = 0..0] units: 1 contentType: referenceInformation long_name: Orbit Number description: Unique identifying number for each planned ICESat-2 orbit. source: Operations valid_min: 1 valid_max: 65000 origname: orbit_number fullnamepath: /orbit_info/orbit_number coordinates: orbit_info_crossing_time |
| orbit_info_lan: | Array of 64 bit Reals [orbit_info_crossing_time = 0..0] units: degrees_east contentType: referenceInformation long_name: Ascending Node Longitude description: Longitude at the ascending node crossing. source: POD/PPD valid_min: -180.00000000000000 valid_max: 180.00000000000000 origname: lan fullnamepath: /orbit_info/lan coordinates: orbit_info_crossing_time |
| orbit_info_sc_orient: | Array of 16 bit Integers [orbit_info_sc_orient_time = 0..0] units: 1 contentType: referenceInformation long_name: Spacecraft Orientation description: This parameter tracks the spacecraft orientation between forward, backward and transitional flight modes. ICESat-2 is considered to be flying forward when the weak beams are leading the strong beams; and backward when the strong beams are leading the weak beams. ICESat-2 is considered to be in transition while it is maneuvering between the two orientations. Science quality is potentially degraded while in transition mode. source: POD/PPD flag_meanings: backward forward transition flag_values: 0, 1, 2 valid_min: 0 valid_max: 2 origname: sc_orient fullnamepath: /orbit_info/sc_orient coordinates: orbit_info_sc_orient_time |
| orbit_info_rgt: | Array of 16 bit Integers [orbit_info_crossing_time = 0..0] units: 1 contentType: referenceInformation long_name: Reference Ground track description: The reference ground track (RGT) is the track on the earth at which a specified unit vector within the observatory is pointed. Under nominal operating conditions, there will be no data collected along the RGT, as the RGT is spanned by GT3 and GT4. During slews or off-pointing, it is possible that ground tracks may intersect the RGT. The ICESat-2 mission has 1387 RGTs. source: POD/PPD valid_min: 1 valid_max: 1387 origname: rgt fullnamepath: /orbit_info/rgt coordinates: orbit_info_crossing_time |
| profile_1_bckgrd_atlas_bckgrd_counts_reduced: | Array of 32 bit Integers [profile_1_bckgrd_atlas_delta_time = 0..1071327] units: counts contentType: modelResult long_name: ATLAS 50-shot background count - reduced description: Number of photon counts in the 50-shot sum after subtracting the number of signal photon events, defined as in ATBD Section 5, in that span. source: ATL03 ATBD Section 7.3 origname: bckgrd_counts_reduced fullnamepath: /profile_1/bckgrd_atlas/bckgrd_counts_reduced coordinates: profile_1_bckgrd_atlas_delta_time |
| profile_1_bckgrd_atlas_bckgrd_counts: | Array of 32 bit Integers [profile_1_bckgrd_atlas_delta_time = 0..1071327] units: counts contentType: modelResult long_name: ATLAS 50-shot background count description: Onboard 50 shot background (200 Hz) sum of photon events within the altimetric range window. source: ATL03 ATBD Section 7.3 origname: bckgrd_counts fullnamepath: /profile_1/bckgrd_atlas/bckgrd_counts coordinates: profile_1_bckgrd_atlas_delta_time |
| profile_1_bckgrd_atlas_bckgrd_hist_top: | Array of 32 bit Reals [profile_1_bckgrd_atlas_delta_time = 0..1071327] units: meters contentType: modelResult long_name: Top of the altimetric range window description: The height of the top of the altimetric histogram, in meters above the WGS-84 ellipsoid, with all geophysical corrections applied. Parameter is ingested at 50-Hz, and values are repeated to form a 200-Hz array. source: ATL03 ATBD Section 7.3 origname: bckgrd_hist_top fullnamepath: /profile_1/bckgrd_atlas/bckgrd_hist_top coordinates: profile_1_bckgrd_atlas_delta_time |
| profile_1_bckgrd_atlas_bckgrd_int_height: | Array of 32 bit Reals [profile_1_bckgrd_atlas_delta_time = 0..1071327] units: meters contentType: modelResult long_name: Altimetric range window width description: The height of the altimetric range window. This is the height over which the 50-shot sum is generated. Parameter is ingested at 50-Hz, and values are repeated to form a 200-Hz array. source: ATL03 ATBD Section 7.3 origname: bckgrd_int_height fullnamepath: /profile_1/bckgrd_atlas/bckgrd_int_height coordinates: profile_1_bckgrd_atlas_delta_time |
| profile_1_bckgrd_atlas_bckgrd_int_height_reduced: | Array of 32 bit Reals [profile_1_bckgrd_atlas_delta_time = 0..1071327] units: meters contentType: modelResult long_name: Altimetric range window height - reduced description: The height of the altimetric range window after subtracting the height span of the signal photon events in the 50-shot span. source: ATL03 ATBD Section 7.3 origname: bckgrd_int_height_reduced fullnamepath: /profile_1/bckgrd_atlas/bckgrd_int_height_reduced coordinates: profile_1_bckgrd_atlas_delta_time |
| profile_1_bckgrd_atlas_bckgrd_rate: | Array of 32 bit Reals [profile_1_bckgrd_atlas_delta_time = 0..1071327] units: counts / second contentType: modelResult long_name: Background count rate based on the ATLAS 50-shot sum description: The background count rate from the 50-shot altimetric histogram after removing the number of likely signal photons based on Section 5. source: ATL03 ATBD Section 7.3 origname: bckgrd_rate fullnamepath: /profile_1/bckgrd_atlas/bckgrd_rate coordinates: profile_1_bckgrd_atlas_delta_time |
| profile_1_bckgrd_atlas_pce_mframe_cnt: | Array of 32 bit Unsigned integers [profile_1_bckgrd_atlas_delta_time = 0..1071327] units: counts contentType: referenceInformation long_name: PCE Major frame counter description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID source: ATL02 origname: pce_mframe_cnt fullnamepath: /profile_1/bckgrd_atlas/pce_mframe_cnt coordinates: profile_1_bckgrd_atlas_delta_time |
| profile_1_high_rate_sig_count_med: | Array of 32 bit Integers [profile_1_high_rate_delta_time = 0..134416] units: counts long_name: Count of Signal Heights - Medium description: Count of medium-confidence signal photons source: ATL03 ATBD, Section 5 contentType: referenceInformation origname: sig_count_med fullnamepath: /profile_1/high_rate/sig_count_med coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_surface_h_dens: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: meters contentType: modelResult long_name: Surface h from density description: Surface height from density source: Atmosphere ATBD origname: surface_h_dens fullnamepath: /profile_1/high_rate/surface_h_dens coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_dem_flag: | Array of 16 bit Integers [profile_1_high_rate_delta_time = 0..134416] _FillValue: 127 units: 1 contentType: referenceInformation long_name: dem source flag description: Indicates source of the DEM height. Values: 0=None, 1=GIMP, 2=GMTED, 3=MSS, 4=Antarctic. source: Atmosphere ATBD flag_meanings: none gimp gmted mss antarctic flag_values: 0, 1, 2, 3, 4 valid_min: 0 valid_max: 4 origname: dem_flag fullnamepath: /profile_1/high_rate/dem_flag coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_msw_flag: | Array of 16 bit Integers [profile_1_high_rate_delta_time = 0..134416] _FillValue: 127 units: 1 contentType: modelResult long_name: Multiple Scattering Warning Flag description: Multiple Scattering warning flag. The multiple scattering warning flag (ATL09 parameter msw_flag) has values from -1 to 5 where zero means no multiple scattering and 5 the greatest. If no layers were detected, then msw_flag = 0. If blowing snow is detected and its estimated optical depth is greater than or equal to 0.5, then msw_flag = 5. If the blowing snow optical depth is less than 0.5, then msw_flag = 4. If no blowing snow is detected but there are cloud or aerosol layers detected, the msw_flag assumes values of 1 to 3 based on the height of the bottom of the lowest layer: < 1 km, msw_flag = 3; 1-3 km, msw_flag = 2; > 3km, msw_flag = 1. A value of -1 indicates that the signal to noise of the data was too low to reliably ascertain the presence of cloud or blowing snow. We expect values of -1 to occur only during daylight. source: Atmosphere ATBD flag_meanings: cannot_determine no_layers layer_gt_3km layer_between_1_and_3_km layer_lt_1km blow_snow_od_lt_0.5 blow_snow_od_gt_0.5 flag_values: -1, 0, 1, 2, 3, 4, 5 valid_min: -1 valid_max: 5 origname: msw_flag fullnamepath: /profile_1/high_rate/msw_flag coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_cloud_flag_atm: | Array of 16 bit Integers [profile_1_high_rate_delta_time = 0..134416] units: 1 contentType: modelResult long_name: Cloud Flag Atm description: Number of layers found from the backscatter profile using the DDA layer finder. source: Atmosphere ATBD valid_min: 0 valid_max: 10 origname: cloud_flag_atm fullnamepath: /profile_1/high_rate/cloud_flag_atm coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_ocean_surf_reflec: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Ocean Surface Reflectance description: Ocean Surface Reflectance from Eqn 4.10 based on the Cox-Munk model. source: Atmosphere ATBD origname: ocean_surf_reflec fullnamepath: /profile_1/high_rate/ocean_surf_reflec coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_sig_count_low: | Array of 32 bit Integers [profile_1_high_rate_delta_time = 0..134416] units: counts contentType: referenceInformation long_name: Count of Signal Heights - Low description: Count of low-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_count_low fullnamepath: /profile_1/high_rate/sig_count_low coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_layer_attr: | Array of 16 bit Integers [profile_1_high_rate_delta_time = 0..134416][profile_1_high_rate_ds_layers = 0..9] units: 1 contentType: modelResult long_name: Layer attribute flag description: Layer attribute flag for each of the possible 10 layers. Indicates (0) no_layer (1) cloud, (2) aerosol or (3) unknown. source: Atmosphere ATBD flag_meanings: no_layer cloud aerosol unknown flag_values: 0, 1, 2, 3 valid_min: 0 valid_max: 3 origname: layer_attr fullnamepath: /profile_1/high_rate/layer_attr coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_sig_h_sdev_hi: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: meters contentType: referenceInformation long_name: SDev of Signal Heights -High description: SDev of the heights of high-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_h_sdev_hi fullnamepath: /profile_1/high_rate/sig_h_sdev_hi coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_bsnow_con: | Array of 16 bit Integers [profile_1_high_rate_delta_time = 0..134416] _FillValue: 127 units: 1 contentType: modelResult long_name: Blowing snow confidence description: Blowing snow confidence. -3=surface not detected; -2=no surface wind;-1=no scattering layer found; 0=no top layer found; 1=none-little; 2=weak; 3=moderate; 4=moderate-high; 5=high; 6=very high source: Atmosphere ATBD flag_meanings: surface_not_detected no_surface_wind no_scattering_layer_found no_top_layer_found none_little weak moderate moderate_high high very_high flag_values: -3, -2, -1, 0, 1, 2, 3, 4, 5, 6 valid_min: -3 valid_max: 6 origname: bsnow_con fullnamepath: /profile_1/high_rate/bsnow_con coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_layer_flag: | Array of 16 bit Integers [profile_1_high_rate_delta_time = 0..134416] units: 1 contentType: qualityInformation long_name: Consolidated cloud flag description: This flag is a combination of multiple flags (cloud_flag_atm, cloud_flag_asr, and bsnow_con) and takes daytime/nighttime into consideration. A value of 1 means clouds or blowing snow are likely present. A value of 0 indicates the likely absence of clouds or blowing snow. source: Atmosphere ATBD flag_meanings: likely_clear likely_cloudy flag_values: 0, 1 valid_min: 0 valid_max: 1 origname: layer_flag fullnamepath: /profile_1/high_rate/layer_flag coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_dtime_fac1: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: dead_time_factor1 description: Dead time correction factor for surface signal computed from radiometric lookup table. source: Atmosphere ATBD origname: dtime_fac1 fullnamepath: /profile_1/high_rate/dtime_fac1 coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_bsnow_psc: | Array of 16 bit Integers [profile_1_high_rate_delta_time = 0..134416] units: 1 contentType: modelResult long_name: Blowing snow PSC flag description: Blowing snow PSC flag. Indicates the potential for polar stratospheric clouds to affect the blowing snow retrieval, where 0=none and 3=maximum. This flag is a function of month and hemisphere and is only applied poleward of 60 north and south. source: Atmosphere ATBD Section 4.5 flag_meanings: none slight moderate maximum_bsnow_PSC_affected flag_values: 0, 1, 2, 3 valid_min: 0 valid_max: 3 origname: bsnow_psc fullnamepath: /profile_1/high_rate/bsnow_psc coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_surf_refl_true: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Estimated Surface Reflectance description: The value of the clear-sky surface reflectivity to use in the compuation of total column optical depth and cloud detection from the measures apparent surface reflectance (ASR). source: Atmosphere ATBD origname: surf_refl_true fullnamepath: /profile_1/high_rate/surf_refl_true coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_bsnow_h: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] contentType: modelResult long_name: Blowing snow top h description: Blowing snow layer top height source: Atmosphere ATBD _FillValue: 3.402823466e+38 units: meters origname: bsnow_h fullnamepath: /profile_1/high_rate/bsnow_h coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_sig_h_mean_hi: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: meters contentType: referenceInformation long_name: Mean of SignalHeights - High description: Mean height of high-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_h_mean_hi fullnamepath: /profile_1/high_rate/sig_h_mean_hi coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_beam_azimuth: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: degrees_east contentType: referenceInformation long_name: beam azimuth description: Beam azimuth source: ATL03 ATBD origname: beam_azimuth fullnamepath: /profile_1/high_rate/beam_azimuth coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_range_to_top: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] units: meters contentType: referenceInformation long_name: Range description: Range from the spacecraft to the top of the atmosphere range window. source: Atmosphere ATBD origname: range_to_top fullnamepath: /profile_1/high_rate/range_to_top coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_solar_azimuth: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] units: degrees_east contentType: referenceInformation long_name: solar azimuth description: The direction, eastwards from north, of the sun vector as seen by an observer at the laser ground spot. source: ATL03g ATBD origname: solar_azimuth fullnamepath: /profile_1/high_rate/solar_azimuth coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_longitude: | Array of 64 bit Reals [profile_1_high_rate_delta_time = 0..134416] units: degrees_east contentType: referenceInformation long_name: Longitude of the ATM histogram standard_name: longitude description: Longitude at the the top of the ATM histogram, WGS84, East=+, derived from the geolocation of the ATM range window. source: ATL03g ATBD valid_min: -180.00000000000000 valid_max: 180.00000000000000 origname: longitude fullnamepath: /profile_1/high_rate/longitude coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude |
| profile_1_high_rate_latitude: | Array of 64 bit Reals [profile_1_high_rate_delta_time = 0..134416] units: degrees_north contentType: referenceInformation long_name: Latitude of the ATM histogram standard_name: latitude description: Latitude at the the top of the ATM histogram, WGS84, North=+, Derived from the geolocation of the ATM range window. source: ATL03g ATBD valid_min: -90.000000000000000 valid_max: 90.000000000000000 origname: latitude fullnamepath: /profile_1/high_rate/latitude coordinates: profile_1_high_rate_delta_time profile_1_high_rate_longitude |
| profile_1_high_rate_surf_type: | Array of 16 bit Integers [profile_1_high_rate_delta_time = 0..134416][ds_surf_type = 0..4] units: 1 contentType: referenceInformation long_name: surface type description: Flags describing which surface types this interval is associated with. 0=not type, 1=is type. Order of array is land, ocean, sea ice, land ice, inland water. source: ATL03 ATBD, Section 4 flag_meanings: not_type is_type flag_values: 0, 1 valid_min: 0 valid_max: 1 origname: surf_type fullnamepath: /profile_1/high_rate/surf_type coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_density_pass1: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416][profile_1_high_rate_ds_va_bin_h = 0..699] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Density profile - pass1 description: Density profiles from pass 1. source: Atmosphere ATBD Part II origname: density_pass1 fullnamepath: /profile_1/high_rate/density_pass1 coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_column_od_asr_qf: | Array of 16 bit Integers [profile_1_high_rate_delta_time = 0..134416] _FillValue: 127 units: 1 contentType: modelResult long_name: Optical depth ASR quality description: Total column optical depth from ASR quality flag. The total atmosphere column particulate optical depth can be computed from the apparent surface reflectance if the actual surface reflectance is well known. The flag indicates the surface type over which the flag is computed in the order from unable to compute (0 - no_surface_signal) to best quality (4=water). source: Atmosphere ATBD flag_meanings: no_signal land sea_ice land_ice water flag_values: 0, 1, 2, 3, 4 origname: column_od_asr_qf fullnamepath: /profile_1/high_rate/column_od_asr_qf coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_bsnow_od: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Blowing snow OD description: Blowing snow layer optical depth source: Atmosphere ATBD origname: bsnow_od fullnamepath: /profile_1/high_rate/bsnow_od coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_surf_type_igbp: | Array of 16 bit Integers [profile_1_high_rate_delta_time = 0..134416] units: 1 contentType: referenceInformation long_name: IGBP Surface Type description: IGBP Surface Type source: Atmosphere ATBD, IGBP Surface Type origname: surf_type_igbp fullnamepath: /profile_1/high_rate/surf_type_igbp coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_backg_c: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] units: counts contentType: modelResult long_name: Background description: Background, in photons/bin, used in the NRB Computation. source: Atmosphere ATBD origname: backg_c fullnamepath: /profile_1/high_rate/backg_c coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_sig_h_mean_med: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: meters contentType: referenceInformation long_name: Mean of Signa Heightsl - Med description: Mean height of medium-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_h_mean_med fullnamepath: /profile_1/high_rate/sig_h_mean_med coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_dem_h: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: meters contentType: referenceInformation long_name: DEM Height description: Best available DEM (in priority of GIMP/ANTARCTIC/GMTED/MSS) value at the geolocation point. source: Atmosphere ATBD origname: dem_h fullnamepath: /profile_1/high_rate/dem_h coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_cloud_flag_asr: | Array of 16 bit Integers [profile_1_high_rate_delta_time = 0..134416] _FillValue: 127 units: 1 contentType: modelResult long_name: Cloud Flag ASR description: Cloud flag (probability) from apparent surface reflectance. 0=clear with high confidence; 1=clear with medium confidence; 2=clear with low confidence; 3=cloudy with low confidence; 4=cloudy with medium confidence; 5=cloudy with high confidence; 6=unknown source: Atmosphere ATBD flag_meanings: clear_with_high_confidence clear_with_medium_confidence clear_with_low_confidence cloudy_with_low_confidence cloudy_with_medium_confidence cloudy_with_high_confidence unknown flag_values: 0, 1, 2, 3, 4, 5, 6 valid_min: 0 valid_max: 6 origname: cloud_flag_asr fullnamepath: /profile_1/high_rate/cloud_flag_asr coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_tx_pulse_energy: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: Joules contentType: referenceInformation long_name: Transmit Pulse Energy description: Transmit energy, from the laser internal energy monitor, split into per-beam measurements. source: ATL02 ATBD, Section 7.2 origname: tx_pulse_energy fullnamepath: /profile_1/high_rate/tx_pulse_energy coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_layer_bot: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416][profile_1_high_rate_ds_layers = 0..9] _FillValue: 3.402823466e+38 units: meter contentType: modelResult long_name: Height layer bottoms description: Height of bottom of detected layers source: Atmosphere ATBD origname: layer_bot fullnamepath: /profile_1/high_rate/layer_bot coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_cab_prof: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416][profile_1_high_rate_ds_va_bin_h = 0..699] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Calibrated Attenuated Backscatter description: Calibrated Attenuated Backscatter from 20 to -1 km with vertical resolution of 30m (eqn 4.1) source: Atmosphere ATBD origname: cab_prof fullnamepath: /profile_1/high_rate/cab_prof coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_density_pass2: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416][profile_1_high_rate_ds_va_bin_h = 0..699] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Density profile - pass2 description: Density profiles from pass 2. source: Atmosphere ATBD Part II origname: density_pass2 fullnamepath: /profile_1/high_rate/density_pass2 coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_surface_height: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: meters contentType: modelResult long_name: Surface height description: Height of the detected surface bin. source: Atmosphere ATBD section 3.3.5 origname: surface_height fullnamepath: /profile_1/high_rate/surface_height coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_bsnow_dens: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Blowing snow density description: Blowing snow layer density source: Atmosphere ATBD origname: bsnow_dens fullnamepath: /profile_1/high_rate/bsnow_dens coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_layer_top: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416][profile_1_high_rate_ds_layers = 0..9] _FillValue: 3.402823466e+38 units: meters contentType: modelResult long_name: Height layer tops description: Height of top of detected layers source: Atmosphere ATBD origname: layer_top fullnamepath: /profile_1/high_rate/layer_top coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_column_od_asr: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Optical depth from ASR description: Optical depth of atmosphere column based on apparent surface reflectance and the assumed actual surface reflectance. source: Atmosphere ATBD origname: column_od_asr fullnamepath: /profile_1/high_rate/column_od_asr coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_layer_dens: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416][profile_1_high_rate_ds_layers = 0..9] units: 1 contentType: modelResult long_name: Layer Density description: Layer Density source: Atmosphere ATBD origname: layer_dens fullnamepath: /profile_1/high_rate/layer_dens coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_prof_dist_y: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] units: meters contentType: referenceInformation long_name: Across Track Distance from RGT description: Across-Track distance from the reference ground track. source: ATL03g ATBD, Section 3.4 origname: prof_dist_y fullnamepath: /profile_1/high_rate/prof_dist_y coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_beam_elevation: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: degrees contentType: referenceInformation long_name: beam elevation description: Beam elevation source: ATL03 ATBD origname: beam_elevation fullnamepath: /profile_1/high_rate/beam_elevation coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_segment_id: | Array of 32 bit Integers [profile_1_high_rate_delta_time = 0..134416] units: 1 contentType: referenceInformation long_name: along-track segment ID number. description: A 7 digit number identifiying the along-track geolocation segment number. These are sequential, starting with 1 for the first segment after an ascending equatorial crossing node. source: ATL03 ATBD, Section 3.1 origname: segment_id fullnamepath: /profile_1/high_rate/segment_id coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_surface_bin: | Array of 32 bit Integers [profile_1_high_rate_delta_time = 0..134416] _FillValue: 2147483647 units: 1 contentType: modelResult long_name: Surface bin description: Vertially aligned, NRB bin number of the detected surface return. source: Atmosphere ATBD section 3.3.5 origname: surface_bin fullnamepath: /profile_1/high_rate/surface_bin coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_solar_elevation: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] units: degrees contentType: referenceInformation long_name: solar elevation description: Solar Angle above or below the plane tangent to the ellipsoid surface at the laser spot. Positive values mean the sun is above the horizon, while negative values mean it is below the horizon. The effect of atmospheric refraction is not included. This is a low precision value, with approximately TBD degree accuracy. source: ATL03g ATBD origname: solar_elevation fullnamepath: /profile_1/high_rate/solar_elevation coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_sig_count_hi: | Array of 32 bit Integers [profile_1_high_rate_delta_time = 0..134416] units: counts contentType: referenceInformation long_name: Count of Signa Heightsl - High description: Count of high-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_count_hi fullnamepath: /profile_1/high_rate/sig_count_hi coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_dtime_fac2: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: dead_time_factor2 description: Dead time correction factor for surface signal computed from ATBD equation 2.1. source: Atmosphere ATBD origname: dtime_fac2 fullnamepath: /profile_1/high_rate/dtime_fac2 coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_prof_dist_x: | Array of 64 bit Reals [profile_1_high_rate_delta_time = 0..134416] units: meters contentType: referenceInformation long_name: Along Track Distance description: Along-track distance from the equator crossing. source: ATL03g ATBD, Section 3.4 origname: prof_dist_x fullnamepath: /profile_1/high_rate/prof_dist_x coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_aclr_true: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Clear sky ASR description: Clear sky initial surface reflectance based on GOME climatology or Cox-Munk model: see Fig 3.6.5 of the Atmosphere ATBD. source: Atmosphere ATBD origname: aclr_true fullnamepath: /profile_1/high_rate/aclr_true coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_apparent_surf_reflec: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] units: 1 contentType: modelResult long_name: Apparent Surface Reflectance description: Apparent Surface Reflectance (ASR): Eqn 4.7 source: Atmosphere ATBD origname: apparent_surf_reflec fullnamepath: /profile_1/high_rate/apparent_surf_reflec coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_pce_mframe_cnt: | Array of 32 bit Unsigned integers [profile_1_high_rate_delta_time = 0..134416] units: counts contentType: referenceInformation long_name: PCE Major frame counter description: Major Frame Counter - The major frame counter is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID source: ATL02 origname: pce_mframe_cnt fullnamepath: /profile_1/high_rate/pce_mframe_cnt coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_cloud_fold_flag: | Array of 16 bit Integers [profile_1_high_rate_delta_time = 0..134416] _FillValue: 127 units: 1 contentType: modelResult long_name: Cloud Folding Flag description: Flag that indicates this profile likely contains cloud signal folded down from above 15 km to the last 2-3 km of the profile. See ATBD Table 3.9 for detailed flag value meanings source: Atmosphere ATBD flag_meanings: no_folding goes5_indicates profile_indicates both_indicate flag_values: 0, 1, 2, 3 valid_min: 0 valid_max: 3 origname: cloud_fold_flag fullnamepath: /profile_1/high_rate/cloud_fold_flag coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_sig_h_sdev_low: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: meters contentType: referenceInformation long_name: SDev of Signal Heights -Low description: SDev of the heights of low-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_h_sdev_low fullnamepath: /profile_1/high_rate/sig_h_sdev_low coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_layer_con: | Array of 32 bit Integers [profile_1_high_rate_delta_time = 0..134416][profile_1_high_rate_ds_layers = 0..9] units: 1 contentType: modelResult long_name: Layer confidence flag description: Layer confidence flag for each layer source: Atmosphere ATBD valid_min: 0 valid_max: 10000 origname: layer_con fullnamepath: /profile_1/high_rate/layer_con coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_bsnow_h_dens: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: meters contentType: modelResult long_name: Blowing snow h from density description: Blowing snow layer height from density source: Atmosphere ATBD origname: bsnow_h_dens fullnamepath: /profile_1/high_rate/bsnow_h_dens coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_sig_h_mean_low: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: meters contentType: referenceInformation long_name: Mean of Signal Heights - Low description: Mean height of low-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_h_mean_low fullnamepath: /profile_1/high_rate/sig_h_mean_low coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_backg_theoret: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: photons/bin contentType: modelResult long_name: Background (Theoretical) description: The theoretical background, in photons/bin. source: Atmosphere ATBD origname: backg_theoret fullnamepath: /profile_1/high_rate/backg_theoret coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_sig_h_sdev_med: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] _FillValue: 3.402823466e+38 units: meters contentType: referenceInformation long_name: SDev of Signa Heights -Med description: SDev of the heights of medium-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_h_sdev_med fullnamepath: /profile_1/high_rate/sig_h_sdev_med coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_surface_sig: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416] units: counts contentType: modelResult long_name: Surface signal count description: Number of photons in the detected surface bin. source: Atmosphere ATBD section 3.3.5 origname: surface_sig fullnamepath: /profile_1/high_rate/surface_sig coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_layer_ib: | Array of 32 bit Reals [profile_1_high_rate_delta_time = 0..134416][profile_1_high_rate_ds_layers = 0..9] contentType: modelResult long_name: Layer integrated backscatter description: Layer integrated backscatter source: Atmosphere ATBD _FillValue: 3.402823466e+38 units: 1 origname: layer_ib fullnamepath: /profile_1/high_rate/layer_ib coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_high_rate_snow_ice: | Array of 32 bit Integers [profile_1_high_rate_delta_time = 0..134416] _FillValue: 2147483647 units: 1 contentType: modelResult long_name: Snow Ice Flag description: NOAA snow-ice flag. 0=ice free water; 1=snow free land; 2=snow; 3=ice source: Atmosphere ATBD flag_meanings: ice_free_water snow_free_land snow ice flag_values: 0, 1, 2, 3 origname: snow_ice fullnamepath: /profile_1/high_rate/snow_ice coordinates: profile_1_high_rate_delta_time profile_1_high_rate_latitude profile_1_high_rate_longitude |
| profile_1_low_rate_met_tropt: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: K contentType: referenceInformation long_name: blended_tropopause_temperature standard_name: temperature description: Tropopause temperature (k) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_tropt fullnamepath: /profile_1/low_rate/met_tropt coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_mol_backs_folded: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382][profile_1_low_rate_ds_va_bin_h = 0..699] units: m-1 sr-1 contentType: modelResult long_name: Folded molecular transmission profile description: Folded molecular transmission profile, 30 m resolution, , m-1 sr-1; 20 km to -1 km (equation 3.17) source: Atmosphere ATBD origname: mol_backs_folded fullnamepath: /profile_1/low_rate/mol_backs_folded coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_molec_bkscat_p: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382][profile_1_low_rate_ds_va_bin_h = 0..699] units: Pa contentType: modelResult long_name: Pressure profile description: Pressure profiles from 20 km to -1 km source: Atmosphere ATBD origname: molec_bkscat_p fullnamepath: /profile_1/low_rate/molec_bkscat_p coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_met_t2m: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: K contentType: referenceInformation long_name: temperature_at_2m standard_name: temperature description: Temperature at 2m above the displacement height (K) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_t2m fullnamepath: /profile_1/low_rate/met_t2m coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_met_u2m: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: m s-1 contentType: referenceInformation long_name: Eastward_wind_at_2m standard_name: eastward_wind description: Eastward wind at 2m above the displacement height (m/s-1) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_u2m fullnamepath: /profile_1/low_rate/met_u2m coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_met_u10m: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: m s-1 contentType: referenceInformation long_name: Eastward_wind_at_10m standard_name: eastward_wind description: Eastward wind at 10m above the displacement height (m/s-1) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_u10m fullnamepath: /profile_1/low_rate/met_u10m coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_molec_trans: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382][profile_1_low_rate_ds_va_bin_h = 0..699] units: 1 contentType: modelResult long_name: Molecular transmission profile description: Molecular transmission profile, 30 m resolution, 20 km to -1 km source: Atmosphere ATBD origname: molec_trans fullnamepath: /profile_1/low_rate/molec_trans coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_met_cldprs: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: Pa contentType: referenceInformation long_name: cloud_top_pressure standard_name: pressure description: Pressure of the highest cloud top at this location from GEOS5 data source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_cldprs fullnamepath: /profile_1/low_rate/met_cldprs coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_bsnow_con: | Array of 16 bit Integers [profile_1_low_rate_delta_time = 0..5382] _FillValue: 127 units: 1 contentType: modelResult long_name: Blowing snow confidence description: Blowing snow confidence. -3=surface not detected; -2=no surface wind;-1=no scattering layer found; 0=no top layer found; 1=none-little; 2=weak; 3=moderate; 4=moderate-high; 5=high; 6=very high source: Atmosphere ATBD flag_meanings: surface_not_detected no_surface_wind no_scattering_layer_found no_top_layer_found none_little weak moderate moderate_high high very_high flag_values: -3, -2, -1, 0, 1, 2, 3, 4, 5, 6 valid_min: -3 valid_max: 6 origname: bsnow_con fullnamepath: /profile_1/low_rate/bsnow_con coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_bsnow_psc: | Array of 16 bit Integers [profile_1_low_rate_delta_time = 0..5382] units: 1 contentType: modelResult long_name: Blowing snow PSC flag description: Blowing snow PSC flag. Indicates the potential for polar stratospheric clouds to affect the blowing snow retrieval, where 0=none and 3=maximum. This flag is a function of month and hemisphere and is only applied poleward of 60 north and south. source: Atmosphere ATBD Section 4.5 flag_meanings: none slight moderate maximum_bsnow_PSC_affected flag_values: 0, 1, 2, 3 valid_min: 0 valid_max: 3 origname: bsnow_psc fullnamepath: /profile_1/low_rate/bsnow_psc coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_met_v50m: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: m s-1 contentType: referenceInformation long_name: northward_wind_at_50m standard_name: northward_wind description: Northward wind at 50m above the displacement height (m/s-1) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_v50m fullnamepath: /profile_1/low_rate/met_v50m coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_bsnow_h: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: meters contentType: modelResult long_name: Blowing snow top h description: Blowing snow layer top height source: Atmosphere ATBD origname: bsnow_h fullnamepath: /profile_1/low_rate/bsnow_h coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_met_v10m: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: m s-1 contentType: referenceInformation long_name: Northward_wind_at_10m standard_name: northward_wind description: Northward wind at 10m above the displacement height (m/s-1) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_v10m fullnamepath: /profile_1/low_rate/met_v10m coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_longitude: | Array of 64 bit Reals [profile_1_low_rate_delta_time = 0..5382] units: degrees_east contentType: referenceInformation long_name: Longitude of the ATM histogram standard_name: longitude description: Longitude at the the top of the ATM histogram, WGS84, East=+, derived from the geolocation of the ATM range window. source: ATL03g ATBD valid_min: -180.00000000000000 valid_max: 180.00000000000000 origname: longitude fullnamepath: /profile_1/low_rate/longitude coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude |
| profile_1_low_rate_met_ps: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: Pa contentType: referenceInformation long_name: Surface Pressure standard_name: pressure description: Surface Pressure (Pa) source: GEOS5 FPIT 3D DFPITI3NVASM origname: met_ps fullnamepath: /profile_1/low_rate/met_ps coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_latitude: | Array of 64 bit Reals [profile_1_low_rate_delta_time = 0..5382] units: degrees_north long_name: Latitude of the ATM histogram standard_name: latitude description: Latitude at the the top of the ATM histogram, WGS84, North=+, Derived from the geolocation of the ATM range window. source: ATL03g ATBD valid_min: -90.000000000000000 valid_max: 90.000000000000000 contentType: referenceInformation origname: latitude fullnamepath: /profile_1/low_rate/latitude coordinates: profile_1_low_rate_delta_time profile_1_low_rate_longitude |
| profile_1_low_rate_surf_type: | Array of 16 bit Integers [profile_1_low_rate_delta_time = 0..5382][ds_surf_type = 0..4] units: 1 contentType: referenceInformation long_name: surface type description: Flags describing which surface types this interval is associated with. 0=not type, 1=is type. Order of array is land, ocean, sea ice, land ice, inland water. source: ATL03 ATBD, Section 4 flag_meanings: not_type is_type flag_values: 0, 1 valid_min: 0 valid_max: 1 origname: surf_type fullnamepath: /profile_1/low_rate/surf_type coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_met_qv10m: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: kg kg-1 contentType: referenceInformation long_name: specific_humidity_at_10m standard_name: specific_humidity description: Specific humidity at 10 m above the displacement height (Pa) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_qv10m fullnamepath: /profile_1/low_rate/met_qv10m coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_bsnow_od: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Blowing snow OD description: Blowing snow layer optical depth source: Atmosphere ATBD origname: bsnow_od fullnamepath: /profile_1/low_rate/bsnow_od coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_met_tqi: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: kg m2 contentType: referenceInformation long_name: cloud_ice description: Total column cloud ice (Kg/m2) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_tqi fullnamepath: /profile_1/low_rate/met_tqi coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_met_t10m: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: K contentType: referenceInformation long_name: temperature_at_10m standard_name: temperature description: Temperature at 10m above the displacement height (K) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_t10m fullnamepath: /profile_1/low_rate/met_t10m coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_cal_c: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] units: Photons*m^3 *sr / J contentType: modelResult long_name: Calibration Constant description: Calibration Constant (for each beam at 1 Hz) source: Atmosphere ATBD origname: cal_c fullnamepath: /profile_1/low_rate/cal_c coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_met_tql: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: kg m2 contentType: referenceInformation long_name: cloud_liquid_water description: Total column cloud liquid water (kg/m2) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_tql fullnamepath: /profile_1/low_rate/met_tql coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_met_v2m: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: m s-1 contentType: referenceInformation long_name: Northward_wind_at_2m standard_name: northward_wind description: Northward wind at 2m above the displacement height (m/s-1) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_v2m fullnamepath: /profile_1/low_rate/met_v2m coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_met_ts: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: K contentType: referenceInformation long_name: surface_temperature standard_name: temperature description: Surface skin temperature (K) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_ts fullnamepath: /profile_1/low_rate/met_ts coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_met_qv2m: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: kg kg-1 contentType: referenceInformation long_name: specific_humidity_at_2m standard_name: specific_humidity description: Specific humidity at 2 m above the displacement height (Pa) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_qv2m fullnamepath: /profile_1/low_rate/met_qv2m coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_molec_bkscat_t: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382][profile_1_low_rate_ds_va_bin_h = 0..699] units: degreesC contentType: modelResult long_name: Temperature profile description: Temperature profiles from 20 km to -1 km source: Atmosphere ATBD origname: molec_bkscat_t fullnamepath: /profile_1/low_rate/molec_bkscat_t coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_met_u50m: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: m s-1 contentType: referenceInformation long_name: Eastward_wind_at_50m standard_name: eastward_wind description: Eastward wind at 50m above the displacement height (m/s-1) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_u50m fullnamepath: /profile_1/low_rate/met_u50m coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_met_slp: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] units: Pa contentType: modelResult long_name: sea_level_pressure standard_name: sea_level_pressure description: sea-level pressure (Pa) source: GEOS5 FPIT 3D DFPITI3NVASM origname: met_slp fullnamepath: /profile_1/low_rate/met_slp coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_met_troppb: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: Pa contentType: referenceInformation long_name: blended_tropopause_pressure standard_name: pressure description: Blended tropopause pressure (pa) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_troppb fullnamepath: /profile_1/low_rate/met_troppb coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_bsnow_prob: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Blowing Snow Probability description: The probability of blowing snow based on meteorological data. source: Atmosphere ATBD Section 4.5.1 origname: bsnow_prob fullnamepath: /profile_1/low_rate/bsnow_prob coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_1_low_rate_mol_backscatter: | Array of 32 bit Reals [profile_1_low_rate_delta_time = 0..5382][profile_1_low_rate_ds_va_bin_h = 0..699] units: m-1 sr-1 contentType: modelResult long_name: Molecular backscatter profile description: Molecular backscatter profile, 30 m resolution, 20 km to -1 km source: Atmosphere ATBD origname: mol_backscatter fullnamepath: /profile_1/low_rate/mol_backscatter coordinates: profile_1_low_rate_delta_time profile_1_low_rate_latitude profile_1_low_rate_longitude |
| profile_3_bckgrd_atlas_bckgrd_counts_reduced: | Array of 32 bit Integers [profile_3_bckgrd_atlas_delta_time = 0..1072896] units: counts contentType: modelResult long_name: ATLAS 50-shot background count - reduced description: Number of photon counts in the 50-shot sum after subtracting the number of signal photon events, defined as in ATBD Section 5, in that span. source: ATL03 ATBD Section 7.3 origname: bckgrd_counts_reduced fullnamepath: /profile_3/bckgrd_atlas/bckgrd_counts_reduced coordinates: profile_3_bckgrd_atlas_delta_time |
| profile_3_bckgrd_atlas_bckgrd_counts: | Array of 32 bit Integers [profile_3_bckgrd_atlas_delta_time = 0..1072896] units: counts contentType: modelResult long_name: ATLAS 50-shot background count description: Onboard 50 shot background (200 Hz) sum of photon events within the altimetric range window. source: ATL03 ATBD Section 7.3 origname: bckgrd_counts fullnamepath: /profile_3/bckgrd_atlas/bckgrd_counts coordinates: profile_3_bckgrd_atlas_delta_time |
| profile_3_bckgrd_atlas_bckgrd_hist_top: | Array of 32 bit Reals [profile_3_bckgrd_atlas_delta_time = 0..1072896] units: meters contentType: modelResult long_name: Top of the altimetric range window description: The height of the top of the altimetric histogram, in meters above the WGS-84 ellipsoid, with all geophysical corrections applied. Parameter is ingested at 50-Hz, and values are repeated to form a 200-Hz array. source: ATL03 ATBD Section 7.3 origname: bckgrd_hist_top fullnamepath: /profile_3/bckgrd_atlas/bckgrd_hist_top coordinates: profile_3_bckgrd_atlas_delta_time |
| profile_3_bckgrd_atlas_bckgrd_int_height: | Array of 32 bit Reals [profile_3_bckgrd_atlas_delta_time = 0..1072896] units: meters contentType: modelResult long_name: Altimetric range window width description: The height of the altimetric range window. This is the height over which the 50-shot sum is generated. Parameter is ingested at 50-Hz, and values are repeated to form a 200-Hz array. source: ATL03 ATBD Section 7.3 origname: bckgrd_int_height fullnamepath: /profile_3/bckgrd_atlas/bckgrd_int_height coordinates: profile_3_bckgrd_atlas_delta_time |
| profile_3_bckgrd_atlas_bckgrd_int_height_reduced: | Array of 32 bit Reals [profile_3_bckgrd_atlas_delta_time = 0..1072896] units: meters contentType: modelResult long_name: Altimetric range window height - reduced description: The height of the altimetric range window after subtracting the height span of the signal photon events in the 50-shot span. source: ATL03 ATBD Section 7.3 origname: bckgrd_int_height_reduced fullnamepath: /profile_3/bckgrd_atlas/bckgrd_int_height_reduced coordinates: profile_3_bckgrd_atlas_delta_time |
| profile_3_bckgrd_atlas_bckgrd_rate: | Array of 32 bit Reals [profile_3_bckgrd_atlas_delta_time = 0..1072896] units: counts / second contentType: modelResult long_name: Background count rate based on the ATLAS 50-shot sum description: The background count rate from the 50-shot altimetric histogram after removing the number of likely signal photons based on Section 5. source: ATL03 ATBD Section 7.3 origname: bckgrd_rate fullnamepath: /profile_3/bckgrd_atlas/bckgrd_rate coordinates: profile_3_bckgrd_atlas_delta_time |
| profile_3_bckgrd_atlas_pce_mframe_cnt: | Array of 32 bit Unsigned integers [profile_3_bckgrd_atlas_delta_time = 0..1072896] units: counts contentType: referenceInformation long_name: PCE Major frame counter description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID source: ATL02 origname: pce_mframe_cnt fullnamepath: /profile_3/bckgrd_atlas/pce_mframe_cnt coordinates: profile_3_bckgrd_atlas_delta_time |
| profile_3_high_rate_sig_count_med: | Array of 32 bit Integers [profile_3_high_rate_delta_time = 0..134417] units: counts long_name: Count of Signal Heights - Medium description: Count of medium-confidence signal photons source: ATL03 ATBD, Section 5 contentType: referenceInformation origname: sig_count_med fullnamepath: /profile_3/high_rate/sig_count_med coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_surface_h_dens: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: meters contentType: modelResult long_name: Surface h from density description: Surface height from density source: Atmosphere ATBD origname: surface_h_dens fullnamepath: /profile_3/high_rate/surface_h_dens coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_dem_flag: | Array of 16 bit Integers [profile_3_high_rate_delta_time = 0..134417] _FillValue: 127 units: 1 contentType: referenceInformation long_name: dem source flag description: Indicates source of the DEM height. Values: 0=None, 1=GIMP, 2=GMTED, 3=MSS, 4=Antarctic. source: Atmosphere ATBD flag_meanings: none gimp gmted mss antarctic flag_values: 0, 1, 2, 3, 4 valid_min: 0 valid_max: 4 origname: dem_flag fullnamepath: /profile_3/high_rate/dem_flag coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_msw_flag: | Array of 16 bit Integers [profile_3_high_rate_delta_time = 0..134417] _FillValue: 127 units: 1 contentType: modelResult long_name: Multiple Scattering Warning Flag description: Multiple Scattering warning flag. The multiple scattering warning flag (ATL09 parameter msw_flag) has values from -1 to 5 where zero means no multiple scattering and 5 the greatest. If no layers were detected, then msw_flag = 0. If blowing snow is detected and its estimated optical depth is greater than or equal to 0.5, then msw_flag = 5. If the blowing snow optical depth is less than 0.5, then msw_flag = 4. If no blowing snow is detected but there are cloud or aerosol layers detected, the msw_flag assumes values of 1 to 3 based on the height of the bottom of the lowest layer: < 1 km, msw_flag = 3; 1-3 km, msw_flag = 2; > 3km, msw_flag = 1. A value of -1 indicates that the signal to noise of the data was too low to reliably ascertain the presence of cloud or blowing snow. We expect values of -1 to occur only during daylight. source: Atmosphere ATBD flag_meanings: cannot_determine no_layers layer_gt_3km layer_between_1_and_3_km layer_lt_1km blow_snow_od_lt_0.5 blow_snow_od_gt_0.5 flag_values: -1, 0, 1, 2, 3, 4, 5 valid_min: -1 valid_max: 5 origname: msw_flag fullnamepath: /profile_3/high_rate/msw_flag coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_cloud_flag_atm: | Array of 16 bit Integers [profile_3_high_rate_delta_time = 0..134417] units: 1 contentType: modelResult long_name: Cloud Flag Atm description: Number of layers found from the backscatter profile using the DDA layer finder. source: Atmosphere ATBD valid_min: 0 valid_max: 10 origname: cloud_flag_atm fullnamepath: /profile_3/high_rate/cloud_flag_atm coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_ocean_surf_reflec: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Ocean Surface Reflectance description: Ocean Surface Reflectance from Eqn 4.10 based on the Cox-Munk model. source: Atmosphere ATBD origname: ocean_surf_reflec fullnamepath: /profile_3/high_rate/ocean_surf_reflec coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_sig_count_low: | Array of 32 bit Integers [profile_3_high_rate_delta_time = 0..134417] units: counts contentType: referenceInformation long_name: Count of Signal Heights - Low description: Count of low-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_count_low fullnamepath: /profile_3/high_rate/sig_count_low coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_layer_attr: | Array of 16 bit Integers [profile_3_high_rate_delta_time = 0..134417][profile_3_high_rate_ds_layers = 0..9] units: 1 contentType: modelResult long_name: Layer attribute flag description: Layer attribute flag for each of the possible 10 layers. Indicates (0) no_layer (1) cloud, (2) aerosol or (3) unknown. source: Atmosphere ATBD flag_meanings: no_layer cloud aerosol unknown flag_values: 0, 1, 2, 3 valid_min: 0 valid_max: 3 origname: layer_attr fullnamepath: /profile_3/high_rate/layer_attr coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_sig_h_sdev_hi: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: meters contentType: referenceInformation long_name: SDev of Signal Heights -High description: SDev of the heights of high-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_h_sdev_hi fullnamepath: /profile_3/high_rate/sig_h_sdev_hi coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_bsnow_con: | Array of 16 bit Integers [profile_3_high_rate_delta_time = 0..134417] _FillValue: 127 units: 1 contentType: modelResult long_name: Blowing snow confidence description: Blowing snow confidence. -3=surface not detected; -2=no surface wind;-1=no scattering layer found; 0=no top layer found; 1=none-little; 2=weak; 3=moderate; 4=moderate-high; 5=high; 6=very high source: Atmosphere ATBD flag_meanings: surface_not_detected no_surface_wind no_scattering_layer_found no_top_layer_found none_little weak moderate moderate_high high very_high flag_values: -3, -2, -1, 0, 1, 2, 3, 4, 5, 6 valid_min: -3 valid_max: 6 origname: bsnow_con fullnamepath: /profile_3/high_rate/bsnow_con coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_layer_flag: | Array of 16 bit Integers [profile_3_high_rate_delta_time = 0..134417] units: 1 contentType: qualityInformation long_name: Consolidated cloud flag description: This flag is a combination of multiple flags (cloud_flag_atm, cloud_flag_asr, and bsnow_con) and takes daytime/nighttime into consideration. A value of 1 means clouds or blowing snow are likely present. A value of 0 indicates the likely absence of clouds or blowing snow. source: Atmosphere ATBD flag_meanings: likely_clear likely_cloudy flag_values: 0, 1 valid_min: 0 valid_max: 1 origname: layer_flag fullnamepath: /profile_3/high_rate/layer_flag coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_dtime_fac1: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: dead_time_factor1 description: Dead time correction factor for surface signal computed from radiometric lookup table. source: Atmosphere ATBD origname: dtime_fac1 fullnamepath: /profile_3/high_rate/dtime_fac1 coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_bsnow_psc: | Array of 16 bit Integers [profile_3_high_rate_delta_time = 0..134417] units: 1 contentType: modelResult long_name: Blowing snow PSC flag description: Blowing snow PSC flag. Indicates the potential for polar stratospheric clouds to affect the blowing snow retrieval, where 0=none and 3=maximum. This flag is a function of month and hemisphere and is only applied poleward of 60 north and south. source: Atmosphere ATBD Section 4.5 flag_meanings: none slight moderate maximum_bsnow_PSC_affected flag_values: 0, 1, 2, 3 valid_min: 0 valid_max: 3 origname: bsnow_psc fullnamepath: /profile_3/high_rate/bsnow_psc coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_surf_refl_true: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Estimated Surface Reflectance description: The value of the clear-sky surface reflectivity to use in the compuation of total column optical depth and cloud detection from the measures apparent surface reflectance (ASR). source: Atmosphere ATBD origname: surf_refl_true fullnamepath: /profile_3/high_rate/surf_refl_true coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_bsnow_h: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] contentType: modelResult long_name: Blowing snow top h description: Blowing snow layer top height source: Atmosphere ATBD _FillValue: 3.402823466e+38 units: meters origname: bsnow_h fullnamepath: /profile_3/high_rate/bsnow_h coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_sig_h_mean_hi: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: meters contentType: referenceInformation long_name: Mean of SignalHeights - High description: Mean height of high-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_h_mean_hi fullnamepath: /profile_3/high_rate/sig_h_mean_hi coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_beam_azimuth: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: degrees_east contentType: referenceInformation long_name: beam azimuth description: Beam azimuth source: ATL03 ATBD origname: beam_azimuth fullnamepath: /profile_3/high_rate/beam_azimuth coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_range_to_top: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] units: meters contentType: referenceInformation long_name: Range description: Range from the spacecraft to the top of the atmosphere range window. source: Atmosphere ATBD origname: range_to_top fullnamepath: /profile_3/high_rate/range_to_top coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_solar_azimuth: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] units: degrees_east contentType: referenceInformation long_name: solar azimuth description: The direction, eastwards from north, of the sun vector as seen by an observer at the laser ground spot. source: ATL03g ATBD origname: solar_azimuth fullnamepath: /profile_3/high_rate/solar_azimuth coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_longitude: | Array of 64 bit Reals [profile_3_high_rate_delta_time = 0..134417] units: degrees_east contentType: referenceInformation long_name: Longitude of the ATM histogram standard_name: longitude description: Longitude at the the top of the ATM histogram, WGS84, East=+, derived from the geolocation of the ATM range window. source: ATL03g ATBD valid_min: -180.00000000000000 valid_max: 180.00000000000000 origname: longitude fullnamepath: /profile_3/high_rate/longitude coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude |
| profile_3_high_rate_latitude: | Array of 64 bit Reals [profile_3_high_rate_delta_time = 0..134417] units: degrees_north contentType: referenceInformation long_name: Latitude of the ATM histogram standard_name: latitude description: Latitude at the the top of the ATM histogram, WGS84, North=+, Derived from the geolocation of the ATM range window. source: ATL03g ATBD valid_min: -90.000000000000000 valid_max: 90.000000000000000 origname: latitude fullnamepath: /profile_3/high_rate/latitude coordinates: profile_3_high_rate_delta_time profile_3_high_rate_longitude |
| profile_3_high_rate_surf_type: | Array of 16 bit Integers [profile_3_high_rate_delta_time = 0..134417][ds_surf_type = 0..4] units: 1 contentType: referenceInformation long_name: surface type description: Flags describing which surface types this interval is associated with. 0=not type, 1=is type. Order of array is land, ocean, sea ice, land ice, inland water. source: ATL03 ATBD, Section 4 flag_meanings: not_type is_type flag_values: 0, 1 valid_min: 0 valid_max: 1 origname: surf_type fullnamepath: /profile_3/high_rate/surf_type coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_density_pass1: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417][profile_3_high_rate_ds_va_bin_h = 0..699] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Density profile - pass1 description: Density profiles from pass 1. source: Atmosphere ATBD Part II origname: density_pass1 fullnamepath: /profile_3/high_rate/density_pass1 coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_column_od_asr_qf: | Array of 16 bit Integers [profile_3_high_rate_delta_time = 0..134417] _FillValue: 127 units: 1 contentType: modelResult long_name: Optical depth ASR quality description: Total column optical depth from ASR quality flag. The total atmosphere column particulate optical depth can be computed from the apparent surface reflectance if the actual surface reflectance is well known. The flag indicates the surface type over which the flag is computed in the order from unable to compute (0 - no_surface_signal) to best quality (4=water). source: Atmosphere ATBD flag_meanings: no_signal land sea_ice land_ice water flag_values: 0, 1, 2, 3, 4 origname: column_od_asr_qf fullnamepath: /profile_3/high_rate/column_od_asr_qf coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_bsnow_od: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Blowing snow OD description: Blowing snow layer optical depth source: Atmosphere ATBD origname: bsnow_od fullnamepath: /profile_3/high_rate/bsnow_od coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_surf_type_igbp: | Array of 16 bit Integers [profile_3_high_rate_delta_time = 0..134417] units: 1 contentType: referenceInformation long_name: IGBP Surface Type description: IGBP Surface Type source: Atmosphere ATBD, IGBP Surface Type origname: surf_type_igbp fullnamepath: /profile_3/high_rate/surf_type_igbp coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_backg_c: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] units: counts contentType: modelResult long_name: Background description: Background, in photons/bin, used in the NRB Computation. source: Atmosphere ATBD origname: backg_c fullnamepath: /profile_3/high_rate/backg_c coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_sig_h_mean_med: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: meters contentType: referenceInformation long_name: Mean of Signa Heightsl - Med description: Mean height of medium-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_h_mean_med fullnamepath: /profile_3/high_rate/sig_h_mean_med coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_dem_h: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: meters contentType: referenceInformation long_name: DEM Height description: Best available DEM (in priority of GIMP/ANTARCTIC/GMTED/MSS) value at the geolocation point. source: Atmosphere ATBD origname: dem_h fullnamepath: /profile_3/high_rate/dem_h coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_cloud_flag_asr: | Array of 16 bit Integers [profile_3_high_rate_delta_time = 0..134417] _FillValue: 127 units: 1 contentType: modelResult long_name: Cloud Flag ASR description: Cloud flag (probability) from apparent surface reflectance. 0=clear with high confidence; 1=clear with medium confidence; 2=clear with low confidence; 3=cloudy with low confidence; 4=cloudy with medium confidence; 5=cloudy with high confidence; 6=unknown source: Atmosphere ATBD flag_meanings: clear_with_high_confidence clear_with_medium_confidence clear_with_low_confidence cloudy_with_low_confidence cloudy_with_medium_confidence cloudy_with_high_confidence unknown flag_values: 0, 1, 2, 3, 4, 5, 6 valid_min: 0 valid_max: 6 origname: cloud_flag_asr fullnamepath: /profile_3/high_rate/cloud_flag_asr coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_tx_pulse_energy: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: Joules contentType: referenceInformation long_name: Transmit Pulse Energy description: Transmit energy, from the laser internal energy monitor, split into per-beam measurements. source: ATL02 ATBD, Section 7.2 origname: tx_pulse_energy fullnamepath: /profile_3/high_rate/tx_pulse_energy coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_layer_bot: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417][profile_3_high_rate_ds_layers = 0..9] _FillValue: 3.402823466e+38 units: meter contentType: modelResult long_name: Height layer bottoms description: Height of bottom of detected layers source: Atmosphere ATBD origname: layer_bot fullnamepath: /profile_3/high_rate/layer_bot coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_cab_prof: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417][profile_3_high_rate_ds_va_bin_h = 0..699] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Calibrated Attenuated Backscatter description: Calibrated Attenuated Backscatter from 20 to -1 km with vertical resolution of 30m (eqn 4.1) source: Atmosphere ATBD origname: cab_prof fullnamepath: /profile_3/high_rate/cab_prof coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_density_pass2: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417][profile_3_high_rate_ds_va_bin_h = 0..699] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Density profile - pass2 description: Density profiles from pass 2. source: Atmosphere ATBD Part II origname: density_pass2 fullnamepath: /profile_3/high_rate/density_pass2 coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_surface_height: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: meters contentType: modelResult long_name: Surface height description: Height of the detected surface bin. source: Atmosphere ATBD section 3.3.5 origname: surface_height fullnamepath: /profile_3/high_rate/surface_height coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_bsnow_dens: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Blowing snow density description: Blowing snow layer density source: Atmosphere ATBD origname: bsnow_dens fullnamepath: /profile_3/high_rate/bsnow_dens coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_layer_top: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417][profile_3_high_rate_ds_layers = 0..9] _FillValue: 3.402823466e+38 units: meters contentType: modelResult long_name: Height layer tops description: Height of top of detected layers source: Atmosphere ATBD origname: layer_top fullnamepath: /profile_3/high_rate/layer_top coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_column_od_asr: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Optical depth from ASR description: Optical depth of atmosphere column based on apparent surface reflectance and the assumed actual surface reflectance. source: Atmosphere ATBD origname: column_od_asr fullnamepath: /profile_3/high_rate/column_od_asr coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_layer_dens: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417][profile_3_high_rate_ds_layers = 0..9] units: 1 contentType: modelResult long_name: Layer Density description: Layer Density source: Atmosphere ATBD origname: layer_dens fullnamepath: /profile_3/high_rate/layer_dens coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_prof_dist_y: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] units: meters contentType: referenceInformation long_name: Across Track Distance from RGT description: Across-Track distance from the reference ground track. source: ATL03g ATBD, Section 3.4 origname: prof_dist_y fullnamepath: /profile_3/high_rate/prof_dist_y coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_beam_elevation: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: degrees contentType: referenceInformation long_name: beam elevation description: Beam elevation source: ATL03 ATBD origname: beam_elevation fullnamepath: /profile_3/high_rate/beam_elevation coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_segment_id: | Array of 32 bit Integers [profile_3_high_rate_delta_time = 0..134417] units: 1 contentType: referenceInformation long_name: along-track segment ID number. description: A 7 digit number identifiying the along-track geolocation segment number. These are sequential, starting with 1 for the first segment after an ascending equatorial crossing node. source: ATL03 ATBD, Section 3.1 origname: segment_id fullnamepath: /profile_3/high_rate/segment_id coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_surface_bin: | Array of 32 bit Integers [profile_3_high_rate_delta_time = 0..134417] _FillValue: 2147483647 units: 1 contentType: modelResult long_name: Surface bin description: Vertially aligned, NRB bin number of the detected surface return. source: Atmosphere ATBD section 3.3.5 origname: surface_bin fullnamepath: /profile_3/high_rate/surface_bin coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_solar_elevation: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] units: degrees contentType: referenceInformation long_name: solar elevation description: Solar Angle above or below the plane tangent to the ellipsoid surface at the laser spot. Positive values mean the sun is above the horizon, while negative values mean it is below the horizon. The effect of atmospheric refraction is not included. This is a low precision value, with approximately TBD degree accuracy. source: ATL03g ATBD origname: solar_elevation fullnamepath: /profile_3/high_rate/solar_elevation coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_sig_count_hi: | Array of 32 bit Integers [profile_3_high_rate_delta_time = 0..134417] units: counts contentType: referenceInformation long_name: Count of Signa Heightsl - High description: Count of high-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_count_hi fullnamepath: /profile_3/high_rate/sig_count_hi coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_dtime_fac2: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: dead_time_factor2 description: Dead time correction factor for surface signal computed from ATBD equation 2.1. source: Atmosphere ATBD origname: dtime_fac2 fullnamepath: /profile_3/high_rate/dtime_fac2 coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_prof_dist_x: | Array of 64 bit Reals [profile_3_high_rate_delta_time = 0..134417] units: meters contentType: referenceInformation long_name: Along Track Distance description: Along-track distance from the equator crossing. source: ATL03g ATBD, Section 3.4 origname: prof_dist_x fullnamepath: /profile_3/high_rate/prof_dist_x coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_aclr_true: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Clear sky ASR description: Clear sky initial surface reflectance based on GOME climatology or Cox-Munk model: see Fig 3.6.5 of the Atmosphere ATBD. source: Atmosphere ATBD origname: aclr_true fullnamepath: /profile_3/high_rate/aclr_true coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_apparent_surf_reflec: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] units: 1 contentType: modelResult long_name: Apparent Surface Reflectance description: Apparent Surface Reflectance (ASR): Eqn 4.7 source: Atmosphere ATBD origname: apparent_surf_reflec fullnamepath: /profile_3/high_rate/apparent_surf_reflec coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_pce_mframe_cnt: | Array of 32 bit Unsigned integers [profile_3_high_rate_delta_time = 0..134417] units: counts contentType: referenceInformation long_name: PCE Major frame counter description: Major Frame Counter - The major frame counter is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID source: ATL02 origname: pce_mframe_cnt fullnamepath: /profile_3/high_rate/pce_mframe_cnt coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_cloud_fold_flag: | Array of 16 bit Integers [profile_3_high_rate_delta_time = 0..134417] _FillValue: 127 units: 1 contentType: modelResult long_name: Cloud Folding Flag description: Flag that indicates this profile likely contains cloud signal folded down from above 15 km to the last 2-3 km of the profile. See ATBD Table 3.9 for detailed flag value meanings source: Atmosphere ATBD flag_meanings: no_folding goes5_indicates profile_indicates both_indicate flag_values: 0, 1, 2, 3 valid_min: 0 valid_max: 3 origname: cloud_fold_flag fullnamepath: /profile_3/high_rate/cloud_fold_flag coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_sig_h_sdev_low: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: meters contentType: referenceInformation long_name: SDev of Signal Heights -Low description: SDev of the heights of low-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_h_sdev_low fullnamepath: /profile_3/high_rate/sig_h_sdev_low coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_layer_con: | Array of 32 bit Integers [profile_3_high_rate_delta_time = 0..134417][profile_3_high_rate_ds_layers = 0..9] units: 1 contentType: modelResult long_name: Layer confidence flag description: Layer confidence flag for each layer source: Atmosphere ATBD valid_min: 0 valid_max: 10000 origname: layer_con fullnamepath: /profile_3/high_rate/layer_con coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_bsnow_h_dens: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: meters contentType: modelResult long_name: Blowing snow h from density description: Blowing snow layer height from density source: Atmosphere ATBD origname: bsnow_h_dens fullnamepath: /profile_3/high_rate/bsnow_h_dens coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_sig_h_mean_low: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: meters contentType: referenceInformation long_name: Mean of Signal Heights - Low description: Mean height of low-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_h_mean_low fullnamepath: /profile_3/high_rate/sig_h_mean_low coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_backg_theoret: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: photons/bin contentType: modelResult long_name: Background (Theoretical) description: The theoretical background, in photons/bin. source: Atmosphere ATBD origname: backg_theoret fullnamepath: /profile_3/high_rate/backg_theoret coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_sig_h_sdev_med: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: meters contentType: referenceInformation long_name: SDev of Signa Heights -Med description: SDev of the heights of medium-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_h_sdev_med fullnamepath: /profile_3/high_rate/sig_h_sdev_med coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_surface_sig: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417] units: counts contentType: modelResult long_name: Surface signal count description: Number of photons in the detected surface bin. source: Atmosphere ATBD section 3.3.5 origname: surface_sig fullnamepath: /profile_3/high_rate/surface_sig coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_layer_ib: | Array of 32 bit Reals [profile_3_high_rate_delta_time = 0..134417][profile_3_high_rate_ds_layers = 0..9] contentType: modelResult long_name: Layer integrated backscatter description: Layer integrated backscatter source: Atmosphere ATBD _FillValue: 3.402823466e+38 units: 1 origname: layer_ib fullnamepath: /profile_3/high_rate/layer_ib coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_high_rate_snow_ice: | Array of 32 bit Integers [profile_3_high_rate_delta_time = 0..134417] _FillValue: 2147483647 units: 1 contentType: modelResult long_name: Snow Ice Flag description: NOAA snow-ice flag. 0=ice free water; 1=snow free land; 2=snow; 3=ice source: Atmosphere ATBD flag_meanings: ice_free_water snow_free_land snow ice flag_values: 0, 1, 2, 3 origname: snow_ice fullnamepath: /profile_3/high_rate/snow_ice coordinates: profile_3_high_rate_delta_time profile_3_high_rate_latitude profile_3_high_rate_longitude |
| profile_3_low_rate_met_tropt: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: K contentType: referenceInformation long_name: blended_tropopause_temperature standard_name: temperature description: Tropopause temperature (k) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_tropt fullnamepath: /profile_3/low_rate/met_tropt coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_mol_backs_folded: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382][profile_3_low_rate_ds_va_bin_h = 0..699] units: m-1 sr-1 contentType: modelResult long_name: Folded molecular transmission profile description: Folded molecular transmission profile, 30 m resolution, , m-1 sr-1; 20 km to -1 km (equation 3.17) source: Atmosphere ATBD origname: mol_backs_folded fullnamepath: /profile_3/low_rate/mol_backs_folded coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_molec_bkscat_p: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382][profile_3_low_rate_ds_va_bin_h = 0..699] units: Pa contentType: modelResult long_name: Pressure profile description: Pressure profiles from 20 km to -1 km source: Atmosphere ATBD origname: molec_bkscat_p fullnamepath: /profile_3/low_rate/molec_bkscat_p coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_met_t2m: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: K contentType: referenceInformation long_name: temperature_at_2m standard_name: temperature description: Temperature at 2m above the displacement height (K) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_t2m fullnamepath: /profile_3/low_rate/met_t2m coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_met_u2m: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: m s-1 contentType: referenceInformation long_name: Eastward_wind_at_2m standard_name: eastward_wind description: Eastward wind at 2m above the displacement height (m/s-1) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_u2m fullnamepath: /profile_3/low_rate/met_u2m coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_met_u10m: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: m s-1 contentType: referenceInformation long_name: Eastward_wind_at_10m standard_name: eastward_wind description: Eastward wind at 10m above the displacement height (m/s-1) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_u10m fullnamepath: /profile_3/low_rate/met_u10m coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_molec_trans: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382][profile_3_low_rate_ds_va_bin_h = 0..699] units: 1 contentType: modelResult long_name: Molecular transmission profile description: Molecular transmission profile, 30 m resolution, 20 km to -1 km source: Atmosphere ATBD origname: molec_trans fullnamepath: /profile_3/low_rate/molec_trans coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_met_cldprs: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: Pa contentType: referenceInformation long_name: cloud_top_pressure standard_name: pressure description: Pressure of the highest cloud top at this location from GEOS5 data source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_cldprs fullnamepath: /profile_3/low_rate/met_cldprs coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_bsnow_con: | Array of 16 bit Integers [profile_3_low_rate_delta_time = 0..5382] _FillValue: 127 units: 1 contentType: modelResult long_name: Blowing snow confidence description: Blowing snow confidence. -3=surface not detected; -2=no surface wind;-1=no scattering layer found; 0=no top layer found; 1=none-little; 2=weak; 3=moderate; 4=moderate-high; 5=high; 6=very high source: Atmosphere ATBD flag_meanings: surface_not_detected no_surface_wind no_scattering_layer_found no_top_layer_found none_little weak moderate moderate_high high very_high flag_values: -3, -2, -1, 0, 1, 2, 3, 4, 5, 6 valid_min: -3 valid_max: 6 origname: bsnow_con fullnamepath: /profile_3/low_rate/bsnow_con coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_bsnow_psc: | Array of 16 bit Integers [profile_3_low_rate_delta_time = 0..5382] units: 1 contentType: modelResult long_name: Blowing snow PSC flag description: Blowing snow PSC flag. Indicates the potential for polar stratospheric clouds to affect the blowing snow retrieval, where 0=none and 3=maximum. This flag is a function of month and hemisphere and is only applied poleward of 60 north and south. source: Atmosphere ATBD Section 4.5 flag_meanings: none slight moderate maximum_bsnow_PSC_affected flag_values: 0, 1, 2, 3 valid_min: 0 valid_max: 3 origname: bsnow_psc fullnamepath: /profile_3/low_rate/bsnow_psc coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_met_v50m: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: m s-1 contentType: referenceInformation long_name: northward_wind_at_50m standard_name: northward_wind description: Northward wind at 50m above the displacement height (m/s-1) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_v50m fullnamepath: /profile_3/low_rate/met_v50m coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_bsnow_h: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: meters contentType: modelResult long_name: Blowing snow top h description: Blowing snow layer top height source: Atmosphere ATBD origname: bsnow_h fullnamepath: /profile_3/low_rate/bsnow_h coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_met_v10m: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: m s-1 contentType: referenceInformation long_name: Northward_wind_at_10m standard_name: northward_wind description: Northward wind at 10m above the displacement height (m/s-1) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_v10m fullnamepath: /profile_3/low_rate/met_v10m coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_longitude: | Array of 64 bit Reals [profile_3_low_rate_delta_time = 0..5382] units: degrees_east contentType: referenceInformation long_name: Longitude of the ATM histogram standard_name: longitude description: Longitude at the the top of the ATM histogram, WGS84, East=+, derived from the geolocation of the ATM range window. source: ATL03g ATBD valid_min: -180.00000000000000 valid_max: 180.00000000000000 origname: longitude fullnamepath: /profile_3/low_rate/longitude coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude |
| profile_3_low_rate_met_ps: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: Pa contentType: referenceInformation long_name: Surface Pressure standard_name: pressure description: Surface Pressure (Pa) source: GEOS5 FPIT 3D DFPITI3NVASM origname: met_ps fullnamepath: /profile_3/low_rate/met_ps coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_latitude: | Array of 64 bit Reals [profile_3_low_rate_delta_time = 0..5382] units: degrees_north long_name: Latitude of the ATM histogram standard_name: latitude description: Latitude at the the top of the ATM histogram, WGS84, North=+, Derived from the geolocation of the ATM range window. source: ATL03g ATBD valid_min: -90.000000000000000 valid_max: 90.000000000000000 contentType: referenceInformation origname: latitude fullnamepath: /profile_3/low_rate/latitude coordinates: profile_3_low_rate_delta_time profile_3_low_rate_longitude |
| profile_3_low_rate_surf_type: | Array of 16 bit Integers [profile_3_low_rate_delta_time = 0..5382][ds_surf_type = 0..4] units: 1 contentType: referenceInformation long_name: surface type description: Flags describing which surface types this interval is associated with. 0=not type, 1=is type. Order of array is land, ocean, sea ice, land ice, inland water. source: ATL03 ATBD, Section 4 flag_meanings: not_type is_type flag_values: 0, 1 valid_min: 0 valid_max: 1 origname: surf_type fullnamepath: /profile_3/low_rate/surf_type coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_met_qv10m: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: kg kg-1 contentType: referenceInformation long_name: specific_humidity_at_10m standard_name: specific_humidity description: Specific humidity at 10 m above the displacement height (Pa) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_qv10m fullnamepath: /profile_3/low_rate/met_qv10m coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_bsnow_od: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Blowing snow OD description: Blowing snow layer optical depth source: Atmosphere ATBD origname: bsnow_od fullnamepath: /profile_3/low_rate/bsnow_od coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_met_tqi: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: kg m2 contentType: referenceInformation long_name: cloud_ice description: Total column cloud ice (Kg/m2) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_tqi fullnamepath: /profile_3/low_rate/met_tqi coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_met_t10m: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: K contentType: referenceInformation long_name: temperature_at_10m standard_name: temperature description: Temperature at 10m above the displacement height (K) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_t10m fullnamepath: /profile_3/low_rate/met_t10m coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_cal_c: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] units: Photons*m^3 *sr / J contentType: modelResult long_name: Calibration Constant description: Calibration Constant (for each beam at 1 Hz) source: Atmosphere ATBD origname: cal_c fullnamepath: /profile_3/low_rate/cal_c coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_met_tql: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: kg m2 contentType: referenceInformation long_name: cloud_liquid_water description: Total column cloud liquid water (kg/m2) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_tql fullnamepath: /profile_3/low_rate/met_tql coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_met_v2m: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: m s-1 contentType: referenceInformation long_name: Northward_wind_at_2m standard_name: northward_wind description: Northward wind at 2m above the displacement height (m/s-1) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_v2m fullnamepath: /profile_3/low_rate/met_v2m coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_met_ts: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: K contentType: referenceInformation long_name: surface_temperature standard_name: temperature description: Surface skin temperature (K) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_ts fullnamepath: /profile_3/low_rate/met_ts coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_met_qv2m: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: kg kg-1 contentType: referenceInformation long_name: specific_humidity_at_2m standard_name: specific_humidity description: Specific humidity at 2 m above the displacement height (Pa) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_qv2m fullnamepath: /profile_3/low_rate/met_qv2m coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_molec_bkscat_t: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382][profile_3_low_rate_ds_va_bin_h = 0..699] units: degreesC contentType: modelResult long_name: Temperature profile description: Temperature profiles from 20 km to -1 km source: Atmosphere ATBD origname: molec_bkscat_t fullnamepath: /profile_3/low_rate/molec_bkscat_t coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_met_u50m: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: m s-1 contentType: referenceInformation long_name: Eastward_wind_at_50m standard_name: eastward_wind description: Eastward wind at 50m above the displacement height (m/s-1) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_u50m fullnamepath: /profile_3/low_rate/met_u50m coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_met_slp: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] units: Pa contentType: modelResult long_name: sea_level_pressure standard_name: sea_level_pressure description: sea-level pressure (Pa) source: GEOS5 FPIT 3D DFPITI3NVASM origname: met_slp fullnamepath: /profile_3/low_rate/met_slp coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_met_troppb: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: Pa contentType: referenceInformation long_name: blended_tropopause_pressure standard_name: pressure description: Blended tropopause pressure (pa) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_troppb fullnamepath: /profile_3/low_rate/met_troppb coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_bsnow_prob: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Blowing Snow Probability description: The probability of blowing snow based on meteorological data. source: Atmosphere ATBD Section 4.5.1 origname: bsnow_prob fullnamepath: /profile_3/low_rate/bsnow_prob coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| profile_3_low_rate_mol_backscatter: | Array of 32 bit Reals [profile_3_low_rate_delta_time = 0..5382][profile_3_low_rate_ds_va_bin_h = 0..699] units: m-1 sr-1 contentType: modelResult long_name: Molecular backscatter profile description: Molecular backscatter profile, 30 m resolution, 20 km to -1 km source: Atmosphere ATBD origname: mol_backscatter fullnamepath: /profile_3/low_rate/mol_backscatter coordinates: profile_3_low_rate_delta_time profile_3_low_rate_latitude profile_3_low_rate_longitude |
| quality_assessment_qa_granule_fail_reason: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: qualityInformation description: Flag indicating granule failure reason. 0=no failure; 1=processing error; 2=Insufficient output data was generated; 3=TBD Failure; 4=TBD_Failure; 5=other failure. source: Operations flag_meanings: no_failure PROCESS_ERROR INSUFFICIENT_OUTPUT failure_3 failure_4 OTHER_FAILURE flag_values: 0, 1, 2, 3, 4, 5 valid_min: 0 valid_max: 5 long_name: Granule Failure Reason origname: qa_granule_fail_reason fullnamepath: /quality_assessment/qa_granule_fail_reason |
| quality_assessment_qa_granule_pass_fail: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: qualityInformation description: Flag indicating granule quality. 0=granule passes automatic QA. 1=granule fails automatic QA. source: Operations flag_meanings: PASS FAIL flag_values: 0, 1 valid_min: 0 valid_max: 1 long_name: Granule Pass Flag origname: qa_granule_pass_fail fullnamepath: /quality_assessment/qa_granule_pass_fail |
| quality_assessment_profile_1_cab_mol_avg: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: CAB molec Avg description: CAB/molec average source: Atmosphere ATBD origname: cab_mol_avg fullnamepath: /quality_assessment/profile_1/cab_mol_avg coordinates: quality_assessment_profile_1_delta_time |
| quality_assessment_profile_1_asr_avg: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: ASR Average description: Apparent surface reflectance average source: Atmosphere ATBD origname: asr_avg fullnamepath: /quality_assessment/profile_1/asr_avg coordinates: quality_assessment_profile_1_delta_time |
| quality_assessment_profile_1_cod_max: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: COD Maximum description: Cloud Optical Depth maximum source: Atmosphere ATBD origname: cod_max fullnamepath: /quality_assessment/profile_1/cod_max coordinates: quality_assessment_profile_1_delta_time |
| quality_assessment_profile_1_cld_pct: | Array of 32 bit Reals [FakeDim0 = 0..0] units: percent contentType: qualityInformation long_name: Cloud Percent description: Percent time clouds were detected source: Atmosphere ATBD origname: cld_pct fullnamepath: /quality_assessment/profile_1/cld_pct coordinates: quality_assessment_profile_1_delta_time |
| quality_assessment_profile_1_asr_min: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: ASR Minimum description: Apparent surface reflectance minimum source: Atmosphere ATBD origname: asr_min fullnamepath: /quality_assessment/profile_1/asr_min coordinates: quality_assessment_profile_1_delta_time |
| quality_assessment_profile_1_osr_avg: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: OSR Average description: Ocean surface reflectance average source: Atmosphere ATBD origname: osr_avg fullnamepath: /quality_assessment/profile_1/osr_avg coordinates: quality_assessment_profile_1_delta_time |
| quality_assessment_profile_1_cld_asr_pct: | Array of 32 bit Reals [FakeDim0 = 0..0] units: percent contentType: qualityInformation long_name: Cloud ASR Percent description: Percent time clouds from ASR were detected source: Atmosphere ATBD origname: cld_asr_pct fullnamepath: /quality_assessment/profile_1/cld_asr_pct coordinates: quality_assessment_profile_1_delta_time |
| quality_assessment_profile_1_cld_min: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: Cloud layer min description: Cloud layer min source: ATL04 origname: cld_min fullnamepath: /quality_assessment/profile_1/cld_min |
| quality_assessment_profile_1_osr_max: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: OSR Maximum description: Ocean surface reflectance maximum source: Atmosphere ATBD origname: osr_max fullnamepath: /quality_assessment/profile_1/osr_max coordinates: quality_assessment_profile_1_delta_time |
| quality_assessment_profile_1_surf_pct: | Array of 32 bit Reals [FakeDim0 = 0..0] units: percent contentType: qualityInformation long_name: Percent Surface description: Percent time surface height was detected source: ATL04 origname: surf_pct fullnamepath: /quality_assessment/profile_1/surf_pct coordinates: quality_assessment_profile_1_delta_time |
| quality_assessment_profile_1_delta_time: | Array of 64 bit Reals [FakeDim0 = 0..0] units: seconds since 2018-01-01 contentType: referenceInformation long_name: Elapsed GPS seconds standard_name: time description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. source: telemetry origname: delta_time fullnamepath: /quality_assessment/profile_1/delta_time |
| quality_assessment_profile_1_asr_std: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: ASR Standard Deviation description: Apparent surface reflectance stdev source: Atmosphere ATBD origname: asr_std fullnamepath: /quality_assessment/profile_1/asr_std coordinates: quality_assessment_profile_1_delta_time |
| quality_assessment_profile_1_cod_min: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: COD Minimum description: Cloud Optical Depth minimum source: Atmosphere ATBD origname: cod_min fullnamepath: /quality_assessment/profile_1/cod_min coordinates: quality_assessment_profile_1_delta_time |
| quality_assessment_profile_1_cod_avg: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: COD Average description: Cloud Optical Depth average source: Atmosphere ATBD origname: cod_avg fullnamepath: /quality_assessment/profile_1/cod_avg coordinates: quality_assessment_profile_1_delta_time |
| quality_assessment_profile_1_cld_max: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: Cloud layer max description: Cloud layer max source: ATL04 origname: cld_max fullnamepath: /quality_assessment/profile_1/cld_max |
| quality_assessment_profile_1_osr_min: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: OSR Minimum description: Ocean surface reflectance minimum source: Atmosphere ATBD origname: osr_min fullnamepath: /quality_assessment/profile_1/osr_min coordinates: quality_assessment_profile_1_delta_time |
| quality_assessment_profile_1_asr_max: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: ASR Maximum description: Apparent surface reflectance maximum source: Atmosphere ATBD origname: asr_max fullnamepath: /quality_assessment/profile_1/asr_max coordinates: quality_assessment_profile_1_delta_time |
| quality_assessment_profile_1_cld_avg: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: Cloud layer average description: Cloud layer average source: Atmosphere ATBD origname: cld_avg fullnamepath: /quality_assessment/profile_1/cld_avg coordinates: quality_assessment_profile_1_delta_time |
| quality_assessment_profile_2_cab_mol_avg: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: CAB molec Avg description: CAB/molec average source: Atmosphere ATBD origname: cab_mol_avg fullnamepath: /quality_assessment/profile_2/cab_mol_avg coordinates: quality_assessment_profile_2_delta_time |
| quality_assessment_profile_2_asr_avg: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: ASR Average description: Apparent surface reflectance average source: Atmosphere ATBD origname: asr_avg fullnamepath: /quality_assessment/profile_2/asr_avg coordinates: quality_assessment_profile_2_delta_time |
| quality_assessment_profile_2_cod_max: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: COD Maximum description: Cloud Optical Depth maximum source: Atmosphere ATBD origname: cod_max fullnamepath: /quality_assessment/profile_2/cod_max coordinates: quality_assessment_profile_2_delta_time |
| quality_assessment_profile_2_cld_pct: | Array of 32 bit Reals [FakeDim0 = 0..0] units: percent contentType: qualityInformation long_name: Cloud Percent description: Percent time clouds were detected source: Atmosphere ATBD origname: cld_pct fullnamepath: /quality_assessment/profile_2/cld_pct coordinates: quality_assessment_profile_2_delta_time |
| quality_assessment_profile_2_asr_min: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: ASR Minimum description: Apparent surface reflectance minimum source: Atmosphere ATBD origname: asr_min fullnamepath: /quality_assessment/profile_2/asr_min coordinates: quality_assessment_profile_2_delta_time |
| quality_assessment_profile_2_osr_avg: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: OSR Average description: Ocean surface reflectance average source: Atmosphere ATBD origname: osr_avg fullnamepath: /quality_assessment/profile_2/osr_avg coordinates: quality_assessment_profile_2_delta_time |
| quality_assessment_profile_2_cld_asr_pct: | Array of 32 bit Reals [FakeDim0 = 0..0] units: percent contentType: qualityInformation long_name: Cloud ASR Percent description: Percent time clouds from ASR were detected source: Atmosphere ATBD origname: cld_asr_pct fullnamepath: /quality_assessment/profile_2/cld_asr_pct coordinates: quality_assessment_profile_2_delta_time |
| quality_assessment_profile_2_cld_min: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: Cloud layer min description: Cloud layer min source: ATL04 origname: cld_min fullnamepath: /quality_assessment/profile_2/cld_min |
| quality_assessment_profile_2_osr_max: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: OSR Maximum description: Ocean surface reflectance maximum source: Atmosphere ATBD origname: osr_max fullnamepath: /quality_assessment/profile_2/osr_max coordinates: quality_assessment_profile_2_delta_time |
| quality_assessment_profile_2_surf_pct: | Array of 32 bit Reals [FakeDim0 = 0..0] units: percent contentType: qualityInformation long_name: Percent Surface description: Percent time surface height was detected source: ATL04 origname: surf_pct fullnamepath: /quality_assessment/profile_2/surf_pct coordinates: quality_assessment_profile_2_delta_time |
| quality_assessment_profile_2_delta_time: | Array of 64 bit Reals [FakeDim0 = 0..0] units: seconds since 2018-01-01 contentType: referenceInformation long_name: Elapsed GPS seconds standard_name: time description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. source: telemetry origname: delta_time fullnamepath: /quality_assessment/profile_2/delta_time |
| quality_assessment_profile_2_asr_std: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: ASR Standard Deviation description: Apparent surface reflectance stdev source: Atmosphere ATBD origname: asr_std fullnamepath: /quality_assessment/profile_2/asr_std coordinates: quality_assessment_profile_2_delta_time |
| quality_assessment_profile_2_cod_min: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: COD Minimum description: Cloud Optical Depth minimum source: Atmosphere ATBD origname: cod_min fullnamepath: /quality_assessment/profile_2/cod_min coordinates: quality_assessment_profile_2_delta_time |
| quality_assessment_profile_2_cod_avg: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: COD Average description: Cloud Optical Depth average source: Atmosphere ATBD origname: cod_avg fullnamepath: /quality_assessment/profile_2/cod_avg coordinates: quality_assessment_profile_2_delta_time |
| quality_assessment_profile_2_cld_max: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: Cloud layer max description: Cloud layer max source: ATL04 origname: cld_max fullnamepath: /quality_assessment/profile_2/cld_max |
| quality_assessment_profile_2_osr_min: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: OSR Minimum description: Ocean surface reflectance minimum source: Atmosphere ATBD origname: osr_min fullnamepath: /quality_assessment/profile_2/osr_min coordinates: quality_assessment_profile_2_delta_time |
| quality_assessment_profile_2_asr_max: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: ASR Maximum description: Apparent surface reflectance maximum source: Atmosphere ATBD origname: asr_max fullnamepath: /quality_assessment/profile_2/asr_max coordinates: quality_assessment_profile_2_delta_time |
| quality_assessment_profile_2_cld_avg: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: Cloud layer average description: Cloud layer average source: Atmosphere ATBD origname: cld_avg fullnamepath: /quality_assessment/profile_2/cld_avg coordinates: quality_assessment_profile_2_delta_time |
| quality_assessment_profile_3_cab_mol_avg: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: CAB molec Avg description: CAB/molec average source: Atmosphere ATBD origname: cab_mol_avg fullnamepath: /quality_assessment/profile_3/cab_mol_avg coordinates: quality_assessment_profile_3_delta_time |
| quality_assessment_profile_3_asr_avg: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: ASR Average description: Apparent surface reflectance average source: Atmosphere ATBD origname: asr_avg fullnamepath: /quality_assessment/profile_3/asr_avg coordinates: quality_assessment_profile_3_delta_time |
| quality_assessment_profile_3_cod_max: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: COD Maximum description: Cloud Optical Depth maximum source: Atmosphere ATBD origname: cod_max fullnamepath: /quality_assessment/profile_3/cod_max coordinates: quality_assessment_profile_3_delta_time |
| quality_assessment_profile_3_cld_pct: | Array of 32 bit Reals [FakeDim0 = 0..0] units: percent contentType: qualityInformation long_name: Cloud Percent description: Percent time clouds were detected source: Atmosphere ATBD origname: cld_pct fullnamepath: /quality_assessment/profile_3/cld_pct coordinates: quality_assessment_profile_3_delta_time |
| quality_assessment_profile_3_asr_min: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: ASR Minimum description: Apparent surface reflectance minimum source: Atmosphere ATBD origname: asr_min fullnamepath: /quality_assessment/profile_3/asr_min coordinates: quality_assessment_profile_3_delta_time |
| quality_assessment_profile_3_osr_avg: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: OSR Average description: Ocean surface reflectance average source: Atmosphere ATBD origname: osr_avg fullnamepath: /quality_assessment/profile_3/osr_avg coordinates: quality_assessment_profile_3_delta_time |
| quality_assessment_profile_3_cld_asr_pct: | Array of 32 bit Reals [FakeDim0 = 0..0] units: percent contentType: qualityInformation long_name: Cloud ASR Percent description: Percent time clouds from ASR were detected source: Atmosphere ATBD origname: cld_asr_pct fullnamepath: /quality_assessment/profile_3/cld_asr_pct coordinates: quality_assessment_profile_3_delta_time |
| quality_assessment_profile_3_cld_min: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: Cloud layer min description: Cloud layer min source: ATL04 origname: cld_min fullnamepath: /quality_assessment/profile_3/cld_min |
| quality_assessment_profile_3_osr_max: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: OSR Maximum description: Ocean surface reflectance maximum source: Atmosphere ATBD origname: osr_max fullnamepath: /quality_assessment/profile_3/osr_max coordinates: quality_assessment_profile_3_delta_time |
| quality_assessment_profile_3_surf_pct: | Array of 32 bit Reals [FakeDim0 = 0..0] units: percent contentType: qualityInformation long_name: Percent Surface description: Percent time surface height was detected source: ATL04 origname: surf_pct fullnamepath: /quality_assessment/profile_3/surf_pct coordinates: quality_assessment_profile_3_delta_time |
| quality_assessment_profile_3_delta_time: | Array of 64 bit Reals [FakeDim0 = 0..0] units: seconds since 2018-01-01 contentType: referenceInformation long_name: Elapsed GPS seconds standard_name: time description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. source: telemetry origname: delta_time fullnamepath: /quality_assessment/profile_3/delta_time |
| quality_assessment_profile_3_asr_std: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: ASR Standard Deviation description: Apparent surface reflectance stdev source: Atmosphere ATBD origname: asr_std fullnamepath: /quality_assessment/profile_3/asr_std coordinates: quality_assessment_profile_3_delta_time |
| quality_assessment_profile_3_cod_min: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: COD Minimum description: Cloud Optical Depth minimum source: Atmosphere ATBD origname: cod_min fullnamepath: /quality_assessment/profile_3/cod_min coordinates: quality_assessment_profile_3_delta_time |
| quality_assessment_profile_3_cod_avg: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: COD Average description: Cloud Optical Depth average source: Atmosphere ATBD origname: cod_avg fullnamepath: /quality_assessment/profile_3/cod_avg coordinates: quality_assessment_profile_3_delta_time |
| quality_assessment_profile_3_cld_max: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: Cloud layer max description: Cloud layer max source: ATL04 origname: cld_max fullnamepath: /quality_assessment/profile_3/cld_max |
| quality_assessment_profile_3_osr_min: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: OSR Minimum description: Ocean surface reflectance minimum source: Atmosphere ATBD origname: osr_min fullnamepath: /quality_assessment/profile_3/osr_min coordinates: quality_assessment_profile_3_delta_time |
| quality_assessment_profile_3_asr_max: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: ASR Maximum description: Apparent surface reflectance maximum source: Atmosphere ATBD origname: asr_max fullnamepath: /quality_assessment/profile_3/asr_max coordinates: quality_assessment_profile_3_delta_time |
| quality_assessment_profile_3_cld_avg: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: qualityInformation long_name: Cloud layer average description: Cloud layer average source: Atmosphere ATBD origname: cld_avg fullnamepath: /quality_assessment/profile_3/cld_avg coordinates: quality_assessment_profile_3_delta_time |
| profile_2_bckgrd_atlas_bckgrd_counts_reduced: | Array of 32 bit Integers [profile_2_bckgrd_atlas_delta_time = 0..1069754] units: counts contentType: modelResult long_name: ATLAS 50-shot background count - reduced description: Number of photon counts in the 50-shot sum after subtracting the number of signal photon events, defined as in ATBD Section 5, in that span. source: ATL03 ATBD Section 7.3 origname: bckgrd_counts_reduced fullnamepath: /profile_2/bckgrd_atlas/bckgrd_counts_reduced coordinates: profile_2_bckgrd_atlas_delta_time |
| profile_2_bckgrd_atlas_bckgrd_counts: | Array of 32 bit Integers [profile_2_bckgrd_atlas_delta_time = 0..1069754] units: counts contentType: modelResult long_name: ATLAS 50-shot background count description: Onboard 50 shot background (200 Hz) sum of photon events within the altimetric range window. source: ATL03 ATBD Section 7.3 origname: bckgrd_counts fullnamepath: /profile_2/bckgrd_atlas/bckgrd_counts coordinates: profile_2_bckgrd_atlas_delta_time |
| profile_2_bckgrd_atlas_bckgrd_hist_top: | Array of 32 bit Reals [profile_2_bckgrd_atlas_delta_time = 0..1069754] units: meters contentType: modelResult long_name: Top of the altimetric range window description: The height of the top of the altimetric histogram, in meters above the WGS-84 ellipsoid, with all geophysical corrections applied. Parameter is ingested at 50-Hz, and values are repeated to form a 200-Hz array. source: ATL03 ATBD Section 7.3 origname: bckgrd_hist_top fullnamepath: /profile_2/bckgrd_atlas/bckgrd_hist_top coordinates: profile_2_bckgrd_atlas_delta_time |
| profile_2_bckgrd_atlas_bckgrd_int_height: | Array of 32 bit Reals [profile_2_bckgrd_atlas_delta_time = 0..1069754] units: meters contentType: modelResult long_name: Altimetric range window width description: The height of the altimetric range window. This is the height over which the 50-shot sum is generated. Parameter is ingested at 50-Hz, and values are repeated to form a 200-Hz array. source: ATL03 ATBD Section 7.3 origname: bckgrd_int_height fullnamepath: /profile_2/bckgrd_atlas/bckgrd_int_height coordinates: profile_2_bckgrd_atlas_delta_time |
| profile_2_bckgrd_atlas_bckgrd_int_height_reduced: | Array of 32 bit Reals [profile_2_bckgrd_atlas_delta_time = 0..1069754] units: meters contentType: modelResult long_name: Altimetric range window height - reduced description: The height of the altimetric range window after subtracting the height span of the signal photon events in the 50-shot span. source: ATL03 ATBD Section 7.3 origname: bckgrd_int_height_reduced fullnamepath: /profile_2/bckgrd_atlas/bckgrd_int_height_reduced coordinates: profile_2_bckgrd_atlas_delta_time |
| profile_2_bckgrd_atlas_bckgrd_rate: | Array of 32 bit Reals [profile_2_bckgrd_atlas_delta_time = 0..1069754] units: counts / second contentType: modelResult long_name: Background count rate based on the ATLAS 50-shot sum description: The background count rate from the 50-shot altimetric histogram after removing the number of likely signal photons based on Section 5. source: ATL03 ATBD Section 7.3 origname: bckgrd_rate fullnamepath: /profile_2/bckgrd_atlas/bckgrd_rate coordinates: profile_2_bckgrd_atlas_delta_time |
| profile_2_bckgrd_atlas_pce_mframe_cnt: | Array of 32 bit Unsigned integers [profile_2_bckgrd_atlas_delta_time = 0..1069754] units: counts contentType: referenceInformation long_name: PCE Major frame counter description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID source: ATL02 origname: pce_mframe_cnt fullnamepath: /profile_2/bckgrd_atlas/pce_mframe_cnt coordinates: profile_2_bckgrd_atlas_delta_time |
| profile_2_high_rate_sig_count_med: | Array of 32 bit Integers [profile_2_high_rate_delta_time = 0..134417] units: counts long_name: Count of Signal Heights - Medium description: Count of medium-confidence signal photons source: ATL03 ATBD, Section 5 contentType: referenceInformation origname: sig_count_med fullnamepath: /profile_2/high_rate/sig_count_med coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_surface_h_dens: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: meters contentType: modelResult long_name: Surface h from density description: Surface height from density source: Atmosphere ATBD origname: surface_h_dens fullnamepath: /profile_2/high_rate/surface_h_dens coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_dem_flag: | Array of 16 bit Integers [profile_2_high_rate_delta_time = 0..134417] _FillValue: 127 units: 1 contentType: referenceInformation long_name: dem source flag description: Indicates source of the DEM height. Values: 0=None, 1=GIMP, 2=GMTED, 3=MSS, 4=Antarctic. source: Atmosphere ATBD flag_meanings: none gimp gmted mss antarctic flag_values: 0, 1, 2, 3, 4 valid_min: 0 valid_max: 4 origname: dem_flag fullnamepath: /profile_2/high_rate/dem_flag coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_msw_flag: | Array of 16 bit Integers [profile_2_high_rate_delta_time = 0..134417] _FillValue: 127 units: 1 contentType: modelResult long_name: Multiple Scattering Warning Flag description: Multiple Scattering warning flag. The multiple scattering warning flag (ATL09 parameter msw_flag) has values from -1 to 5 where zero means no multiple scattering and 5 the greatest. If no layers were detected, then msw_flag = 0. If blowing snow is detected and its estimated optical depth is greater than or equal to 0.5, then msw_flag = 5. If the blowing snow optical depth is less than 0.5, then msw_flag = 4. If no blowing snow is detected but there are cloud or aerosol layers detected, the msw_flag assumes values of 1 to 3 based on the height of the bottom of the lowest layer: < 1 km, msw_flag = 3; 1-3 km, msw_flag = 2; > 3km, msw_flag = 1. A value of -1 indicates that the signal to noise of the data was too low to reliably ascertain the presence of cloud or blowing snow. We expect values of -1 to occur only during daylight. source: Atmosphere ATBD flag_meanings: cannot_determine no_layers layer_gt_3km layer_between_1_and_3_km layer_lt_1km blow_snow_od_lt_0.5 blow_snow_od_gt_0.5 flag_values: -1, 0, 1, 2, 3, 4, 5 valid_min: -1 valid_max: 5 origname: msw_flag fullnamepath: /profile_2/high_rate/msw_flag coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_cloud_flag_atm: | Array of 16 bit Integers [profile_2_high_rate_delta_time = 0..134417] units: 1 contentType: modelResult long_name: Cloud Flag Atm description: Number of layers found from the backscatter profile using the DDA layer finder. source: Atmosphere ATBD valid_min: 0 valid_max: 10 origname: cloud_flag_atm fullnamepath: /profile_2/high_rate/cloud_flag_atm coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_ocean_surf_reflec: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Ocean Surface Reflectance description: Ocean Surface Reflectance from Eqn 4.10 based on the Cox-Munk model. source: Atmosphere ATBD origname: ocean_surf_reflec fullnamepath: /profile_2/high_rate/ocean_surf_reflec coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_sig_count_low: | Array of 32 bit Integers [profile_2_high_rate_delta_time = 0..134417] units: counts contentType: referenceInformation long_name: Count of Signal Heights - Low description: Count of low-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_count_low fullnamepath: /profile_2/high_rate/sig_count_low coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_layer_attr: | Array of 16 bit Integers [profile_2_high_rate_delta_time = 0..134417][profile_2_high_rate_ds_layers = 0..9] units: 1 contentType: modelResult long_name: Layer attribute flag description: Layer attribute flag for each of the possible 10 layers. Indicates (0) no_layer (1) cloud, (2) aerosol or (3) unknown. source: Atmosphere ATBD flag_meanings: no_layer cloud aerosol unknown flag_values: 0, 1, 2, 3 valid_min: 0 valid_max: 3 origname: layer_attr fullnamepath: /profile_2/high_rate/layer_attr coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_sig_h_sdev_hi: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: meters contentType: referenceInformation long_name: SDev of Signal Heights -High description: SDev of the heights of high-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_h_sdev_hi fullnamepath: /profile_2/high_rate/sig_h_sdev_hi coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_bsnow_con: | Array of 16 bit Integers [profile_2_high_rate_delta_time = 0..134417] _FillValue: 127 units: 1 contentType: modelResult long_name: Blowing snow confidence description: Blowing snow confidence. -3=surface not detected; -2=no surface wind;-1=no scattering layer found; 0=no top layer found; 1=none-little; 2=weak; 3=moderate; 4=moderate-high; 5=high; 6=very high source: Atmosphere ATBD flag_meanings: surface_not_detected no_surface_wind no_scattering_layer_found no_top_layer_found none_little weak moderate moderate_high high very_high flag_values: -3, -2, -1, 0, 1, 2, 3, 4, 5, 6 valid_min: -3 valid_max: 6 origname: bsnow_con fullnamepath: /profile_2/high_rate/bsnow_con coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_layer_flag: | Array of 16 bit Integers [profile_2_high_rate_delta_time = 0..134417] units: 1 contentType: qualityInformation long_name: Consolidated cloud flag description: This flag is a combination of multiple flags (cloud_flag_atm, cloud_flag_asr, and bsnow_con) and takes daytime/nighttime into consideration. A value of 1 means clouds or blowing snow are likely present. A value of 0 indicates the likely absence of clouds or blowing snow. source: Atmosphere ATBD flag_meanings: likely_clear likely_cloudy flag_values: 0, 1 valid_min: 0 valid_max: 1 origname: layer_flag fullnamepath: /profile_2/high_rate/layer_flag coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_dtime_fac1: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: dead_time_factor1 description: Dead time correction factor for surface signal computed from radiometric lookup table. source: Atmosphere ATBD origname: dtime_fac1 fullnamepath: /profile_2/high_rate/dtime_fac1 coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_bsnow_psc: | Array of 16 bit Integers [profile_2_high_rate_delta_time = 0..134417] units: 1 contentType: modelResult long_name: Blowing snow PSC flag description: Blowing snow PSC flag. Indicates the potential for polar stratospheric clouds to affect the blowing snow retrieval, where 0=none and 3=maximum. This flag is a function of month and hemisphere and is only applied poleward of 60 north and south. source: Atmosphere ATBD Section 4.5 flag_meanings: none slight moderate maximum_bsnow_PSC_affected flag_values: 0, 1, 2, 3 valid_min: 0 valid_max: 3 origname: bsnow_psc fullnamepath: /profile_2/high_rate/bsnow_psc coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_surf_refl_true: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Estimated Surface Reflectance description: The value of the clear-sky surface reflectivity to use in the compuation of total column optical depth and cloud detection from the measures apparent surface reflectance (ASR). source: Atmosphere ATBD origname: surf_refl_true fullnamepath: /profile_2/high_rate/surf_refl_true coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_bsnow_h: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] contentType: modelResult long_name: Blowing snow top h description: Blowing snow layer top height source: Atmosphere ATBD _FillValue: 3.402823466e+38 units: meters origname: bsnow_h fullnamepath: /profile_2/high_rate/bsnow_h coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_sig_h_mean_hi: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: meters contentType: referenceInformation long_name: Mean of SignalHeights - High description: Mean height of high-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_h_mean_hi fullnamepath: /profile_2/high_rate/sig_h_mean_hi coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_beam_azimuth: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: degrees_east contentType: referenceInformation long_name: beam azimuth description: Beam azimuth source: ATL03 ATBD origname: beam_azimuth fullnamepath: /profile_2/high_rate/beam_azimuth coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_range_to_top: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] units: meters contentType: referenceInformation long_name: Range description: Range from the spacecraft to the top of the atmosphere range window. source: Atmosphere ATBD origname: range_to_top fullnamepath: /profile_2/high_rate/range_to_top coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_solar_azimuth: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] units: degrees_east contentType: referenceInformation long_name: solar azimuth description: The direction, eastwards from north, of the sun vector as seen by an observer at the laser ground spot. source: ATL03g ATBD origname: solar_azimuth fullnamepath: /profile_2/high_rate/solar_azimuth coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_longitude: | Array of 64 bit Reals [profile_2_high_rate_delta_time = 0..134417] units: degrees_east contentType: referenceInformation long_name: Longitude of the ATM histogram standard_name: longitude description: Longitude at the the top of the ATM histogram, WGS84, East=+, derived from the geolocation of the ATM range window. source: ATL03g ATBD valid_min: -180.00000000000000 valid_max: 180.00000000000000 origname: longitude fullnamepath: /profile_2/high_rate/longitude coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude |
| profile_2_high_rate_latitude: | Array of 64 bit Reals [profile_2_high_rate_delta_time = 0..134417] units: degrees_north contentType: referenceInformation long_name: Latitude of the ATM histogram standard_name: latitude description: Latitude at the the top of the ATM histogram, WGS84, North=+, Derived from the geolocation of the ATM range window. source: ATL03g ATBD valid_min: -90.000000000000000 valid_max: 90.000000000000000 origname: latitude fullnamepath: /profile_2/high_rate/latitude coordinates: profile_2_high_rate_delta_time profile_2_high_rate_longitude |
| profile_2_high_rate_surf_type: | Array of 16 bit Integers [profile_2_high_rate_delta_time = 0..134417][ds_surf_type = 0..4] units: 1 contentType: referenceInformation long_name: surface type description: Flags describing which surface types this interval is associated with. 0=not type, 1=is type. Order of array is land, ocean, sea ice, land ice, inland water. source: ATL03 ATBD, Section 4 flag_meanings: not_type is_type flag_values: 0, 1 valid_min: 0 valid_max: 1 origname: surf_type fullnamepath: /profile_2/high_rate/surf_type coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_density_pass1: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417][profile_2_high_rate_ds_va_bin_h = 0..699] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Density profile - pass1 description: Density profiles from pass 1. source: Atmosphere ATBD Part II origname: density_pass1 fullnamepath: /profile_2/high_rate/density_pass1 coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_column_od_asr_qf: | Array of 16 bit Integers [profile_2_high_rate_delta_time = 0..134417] _FillValue: 127 units: 1 contentType: modelResult long_name: Optical depth ASR quality description: Total column optical depth from ASR quality flag. The total atmosphere column particulate optical depth can be computed from the apparent surface reflectance if the actual surface reflectance is well known. The flag indicates the surface type over which the flag is computed in the order from unable to compute (0 - no_surface_signal) to best quality (4=water). source: Atmosphere ATBD flag_meanings: no_signal land sea_ice land_ice water flag_values: 0, 1, 2, 3, 4 origname: column_od_asr_qf fullnamepath: /profile_2/high_rate/column_od_asr_qf coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_bsnow_od: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Blowing snow OD description: Blowing snow layer optical depth source: Atmosphere ATBD origname: bsnow_od fullnamepath: /profile_2/high_rate/bsnow_od coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_surf_type_igbp: | Array of 16 bit Integers [profile_2_high_rate_delta_time = 0..134417] units: 1 contentType: referenceInformation long_name: IGBP Surface Type description: IGBP Surface Type source: Atmosphere ATBD, IGBP Surface Type origname: surf_type_igbp fullnamepath: /profile_2/high_rate/surf_type_igbp coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_backg_c: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] units: counts contentType: modelResult long_name: Background description: Background, in photons/bin, used in the NRB Computation. source: Atmosphere ATBD origname: backg_c fullnamepath: /profile_2/high_rate/backg_c coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_sig_h_mean_med: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: meters contentType: referenceInformation long_name: Mean of Signa Heightsl - Med description: Mean height of medium-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_h_mean_med fullnamepath: /profile_2/high_rate/sig_h_mean_med coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_dem_h: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: meters contentType: referenceInformation long_name: DEM Height description: Best available DEM (in priority of GIMP/ANTARCTIC/GMTED/MSS) value at the geolocation point. source: Atmosphere ATBD origname: dem_h fullnamepath: /profile_2/high_rate/dem_h coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_cloud_flag_asr: | Array of 16 bit Integers [profile_2_high_rate_delta_time = 0..134417] _FillValue: 127 units: 1 contentType: modelResult long_name: Cloud Flag ASR description: Cloud flag (probability) from apparent surface reflectance. 0=clear with high confidence; 1=clear with medium confidence; 2=clear with low confidence; 3=cloudy with low confidence; 4=cloudy with medium confidence; 5=cloudy with high confidence; 6=unknown source: Atmosphere ATBD flag_meanings: clear_with_high_confidence clear_with_medium_confidence clear_with_low_confidence cloudy_with_low_confidence cloudy_with_medium_confidence cloudy_with_high_confidence unknown flag_values: 0, 1, 2, 3, 4, 5, 6 valid_min: 0 valid_max: 6 origname: cloud_flag_asr fullnamepath: /profile_2/high_rate/cloud_flag_asr coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_tx_pulse_energy: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: Joules contentType: referenceInformation long_name: Transmit Pulse Energy description: Transmit energy, from the laser internal energy monitor, split into per-beam measurements. source: ATL02 ATBD, Section 7.2 origname: tx_pulse_energy fullnamepath: /profile_2/high_rate/tx_pulse_energy coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_layer_bot: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417][profile_2_high_rate_ds_layers = 0..9] _FillValue: 3.402823466e+38 units: meter contentType: modelResult long_name: Height layer bottoms description: Height of bottom of detected layers source: Atmosphere ATBD origname: layer_bot fullnamepath: /profile_2/high_rate/layer_bot coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_cab_prof: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417][profile_2_high_rate_ds_va_bin_h = 0..699] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Calibrated Attenuated Backscatter description: Calibrated Attenuated Backscatter from 20 to -1 km with vertical resolution of 30m (eqn 4.1) source: Atmosphere ATBD origname: cab_prof fullnamepath: /profile_2/high_rate/cab_prof coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_density_pass2: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417][profile_2_high_rate_ds_va_bin_h = 0..699] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Density profile - pass2 description: Density profiles from pass 2. source: Atmosphere ATBD Part II origname: density_pass2 fullnamepath: /profile_2/high_rate/density_pass2 coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_surface_height: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: meters contentType: modelResult long_name: Surface height description: Height of the detected surface bin. source: Atmosphere ATBD section 3.3.5 origname: surface_height fullnamepath: /profile_2/high_rate/surface_height coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_bsnow_dens: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Blowing snow density description: Blowing snow layer density source: Atmosphere ATBD origname: bsnow_dens fullnamepath: /profile_2/high_rate/bsnow_dens coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_layer_top: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417][profile_2_high_rate_ds_layers = 0..9] _FillValue: 3.402823466e+38 units: meters contentType: modelResult long_name: Height layer tops description: Height of top of detected layers source: Atmosphere ATBD origname: layer_top fullnamepath: /profile_2/high_rate/layer_top coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_column_od_asr: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Optical depth from ASR description: Optical depth of atmosphere column based on apparent surface reflectance and the assumed actual surface reflectance. source: Atmosphere ATBD origname: column_od_asr fullnamepath: /profile_2/high_rate/column_od_asr coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_layer_dens: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417][profile_2_high_rate_ds_layers = 0..9] units: 1 contentType: modelResult long_name: Layer Density description: Layer Density source: Atmosphere ATBD origname: layer_dens fullnamepath: /profile_2/high_rate/layer_dens coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_prof_dist_y: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] units: meters contentType: referenceInformation long_name: Across Track Distance from RGT description: Across-Track distance from the reference ground track. source: ATL03g ATBD, Section 3.4 origname: prof_dist_y fullnamepath: /profile_2/high_rate/prof_dist_y coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_beam_elevation: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: degrees contentType: referenceInformation long_name: beam elevation description: Beam elevation source: ATL03 ATBD origname: beam_elevation fullnamepath: /profile_2/high_rate/beam_elevation coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_segment_id: | Array of 32 bit Integers [profile_2_high_rate_delta_time = 0..134417] units: 1 contentType: referenceInformation long_name: along-track segment ID number. description: A 7 digit number identifiying the along-track geolocation segment number. These are sequential, starting with 1 for the first segment after an ascending equatorial crossing node. source: ATL03 ATBD, Section 3.1 origname: segment_id fullnamepath: /profile_2/high_rate/segment_id coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_surface_bin: | Array of 32 bit Integers [profile_2_high_rate_delta_time = 0..134417] _FillValue: 2147483647 units: 1 contentType: modelResult long_name: Surface bin description: Vertially aligned, NRB bin number of the detected surface return. source: Atmosphere ATBD section 3.3.5 origname: surface_bin fullnamepath: /profile_2/high_rate/surface_bin coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_solar_elevation: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] units: degrees contentType: referenceInformation long_name: solar elevation description: Solar Angle above or below the plane tangent to the ellipsoid surface at the laser spot. Positive values mean the sun is above the horizon, while negative values mean it is below the horizon. The effect of atmospheric refraction is not included. This is a low precision value, with approximately TBD degree accuracy. source: ATL03g ATBD origname: solar_elevation fullnamepath: /profile_2/high_rate/solar_elevation coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_sig_count_hi: | Array of 32 bit Integers [profile_2_high_rate_delta_time = 0..134417] units: counts contentType: referenceInformation long_name: Count of Signa Heightsl - High description: Count of high-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_count_hi fullnamepath: /profile_2/high_rate/sig_count_hi coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_dtime_fac2: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: dead_time_factor2 description: Dead time correction factor for surface signal computed from ATBD equation 2.1. source: Atmosphere ATBD origname: dtime_fac2 fullnamepath: /profile_2/high_rate/dtime_fac2 coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_prof_dist_x: | Array of 64 bit Reals [profile_2_high_rate_delta_time = 0..134417] units: meters contentType: referenceInformation long_name: Along Track Distance description: Along-track distance from the equator crossing. source: ATL03g ATBD, Section 3.4 origname: prof_dist_x fullnamepath: /profile_2/high_rate/prof_dist_x coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_aclr_true: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Clear sky ASR description: Clear sky initial surface reflectance based on GOME climatology or Cox-Munk model: see Fig 3.6.5 of the Atmosphere ATBD. source: Atmosphere ATBD origname: aclr_true fullnamepath: /profile_2/high_rate/aclr_true coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_apparent_surf_reflec: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] units: 1 contentType: modelResult long_name: Apparent Surface Reflectance description: Apparent Surface Reflectance (ASR): Eqn 4.7 source: Atmosphere ATBD origname: apparent_surf_reflec fullnamepath: /profile_2/high_rate/apparent_surf_reflec coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_pce_mframe_cnt: | Array of 32 bit Unsigned integers [profile_2_high_rate_delta_time = 0..134417] units: counts contentType: referenceInformation long_name: PCE Major frame counter description: Major Frame Counter - The major frame counter is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID source: ATL02 origname: pce_mframe_cnt fullnamepath: /profile_2/high_rate/pce_mframe_cnt coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_cloud_fold_flag: | Array of 16 bit Integers [profile_2_high_rate_delta_time = 0..134417] _FillValue: 127 units: 1 contentType: modelResult long_name: Cloud Folding Flag description: Flag that indicates this profile likely contains cloud signal folded down from above 15 km to the last 2-3 km of the profile. See ATBD Table 3.9 for detailed flag value meanings source: Atmosphere ATBD flag_meanings: no_folding goes5_indicates profile_indicates both_indicate flag_values: 0, 1, 2, 3 valid_min: 0 valid_max: 3 origname: cloud_fold_flag fullnamepath: /profile_2/high_rate/cloud_fold_flag coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_sig_h_sdev_low: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: meters contentType: referenceInformation long_name: SDev of Signal Heights -Low description: SDev of the heights of low-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_h_sdev_low fullnamepath: /profile_2/high_rate/sig_h_sdev_low coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_layer_con: | Array of 32 bit Integers [profile_2_high_rate_delta_time = 0..134417][profile_2_high_rate_ds_layers = 0..9] units: 1 contentType: modelResult long_name: Layer confidence flag description: Layer confidence flag for each layer source: Atmosphere ATBD valid_min: 0 valid_max: 10000 origname: layer_con fullnamepath: /profile_2/high_rate/layer_con coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_bsnow_h_dens: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: meters contentType: modelResult long_name: Blowing snow h from density description: Blowing snow layer height from density source: Atmosphere ATBD origname: bsnow_h_dens fullnamepath: /profile_2/high_rate/bsnow_h_dens coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_sig_h_mean_low: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: meters contentType: referenceInformation long_name: Mean of Signal Heights - Low description: Mean height of low-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_h_mean_low fullnamepath: /profile_2/high_rate/sig_h_mean_low coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_backg_theoret: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: photons/bin contentType: modelResult long_name: Background (Theoretical) description: The theoretical background, in photons/bin. source: Atmosphere ATBD origname: backg_theoret fullnamepath: /profile_2/high_rate/backg_theoret coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_sig_h_sdev_med: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] _FillValue: 3.402823466e+38 units: meters contentType: referenceInformation long_name: SDev of Signa Heights -Med description: SDev of the heights of medium-confidence signal photons source: ATL03 ATBD, Section 5 origname: sig_h_sdev_med fullnamepath: /profile_2/high_rate/sig_h_sdev_med coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_surface_sig: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417] units: counts contentType: modelResult long_name: Surface signal count description: Number of photons in the detected surface bin. source: Atmosphere ATBD section 3.3.5 origname: surface_sig fullnamepath: /profile_2/high_rate/surface_sig coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_layer_ib: | Array of 32 bit Reals [profile_2_high_rate_delta_time = 0..134417][profile_2_high_rate_ds_layers = 0..9] contentType: modelResult long_name: Layer integrated backscatter description: Layer integrated backscatter source: Atmosphere ATBD _FillValue: 3.402823466e+38 units: 1 origname: layer_ib fullnamepath: /profile_2/high_rate/layer_ib coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_high_rate_snow_ice: | Array of 32 bit Integers [profile_2_high_rate_delta_time = 0..134417] _FillValue: 2147483647 units: 1 contentType: modelResult long_name: Snow Ice Flag description: NOAA snow-ice flag. 0=ice free water; 1=snow free land; 2=snow; 3=ice source: Atmosphere ATBD flag_meanings: ice_free_water snow_free_land snow ice flag_values: 0, 1, 2, 3 origname: snow_ice fullnamepath: /profile_2/high_rate/snow_ice coordinates: profile_2_high_rate_delta_time profile_2_high_rate_latitude profile_2_high_rate_longitude |
| profile_2_low_rate_met_tropt: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: K contentType: referenceInformation long_name: blended_tropopause_temperature standard_name: temperature description: Tropopause temperature (k) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_tropt fullnamepath: /profile_2/low_rate/met_tropt coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_mol_backs_folded: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382][profile_2_low_rate_ds_va_bin_h = 0..699] units: m-1 sr-1 contentType: modelResult long_name: Folded molecular transmission profile description: Folded molecular transmission profile, 30 m resolution, , m-1 sr-1; 20 km to -1 km (equation 3.17) source: Atmosphere ATBD origname: mol_backs_folded fullnamepath: /profile_2/low_rate/mol_backs_folded coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_molec_bkscat_p: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382][profile_2_low_rate_ds_va_bin_h = 0..699] units: Pa contentType: modelResult long_name: Pressure profile description: Pressure profiles from 20 km to -1 km source: Atmosphere ATBD origname: molec_bkscat_p fullnamepath: /profile_2/low_rate/molec_bkscat_p coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_met_t2m: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: K contentType: referenceInformation long_name: temperature_at_2m standard_name: temperature description: Temperature at 2m above the displacement height (K) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_t2m fullnamepath: /profile_2/low_rate/met_t2m coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_met_u2m: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: m s-1 contentType: referenceInformation long_name: Eastward_wind_at_2m standard_name: eastward_wind description: Eastward wind at 2m above the displacement height (m/s-1) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_u2m fullnamepath: /profile_2/low_rate/met_u2m coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_met_u10m: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: m s-1 contentType: referenceInformation long_name: Eastward_wind_at_10m standard_name: eastward_wind description: Eastward wind at 10m above the displacement height (m/s-1) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_u10m fullnamepath: /profile_2/low_rate/met_u10m coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_molec_trans: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382][profile_2_low_rate_ds_va_bin_h = 0..699] units: 1 contentType: modelResult long_name: Molecular transmission profile description: Molecular transmission profile, 30 m resolution, 20 km to -1 km source: Atmosphere ATBD origname: molec_trans fullnamepath: /profile_2/low_rate/molec_trans coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_met_cldprs: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: Pa contentType: referenceInformation long_name: cloud_top_pressure standard_name: pressure description: Pressure of the highest cloud top at this location from GEOS5 data source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_cldprs fullnamepath: /profile_2/low_rate/met_cldprs coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_bsnow_con: | Array of 16 bit Integers [profile_2_low_rate_delta_time = 0..5382] _FillValue: 127 units: 1 contentType: modelResult long_name: Blowing snow confidence description: Blowing snow confidence. -3=surface not detected; -2=no surface wind;-1=no scattering layer found; 0=no top layer found; 1=none-little; 2=weak; 3=moderate; 4=moderate-high; 5=high; 6=very high source: Atmosphere ATBD flag_meanings: surface_not_detected no_surface_wind no_scattering_layer_found no_top_layer_found none_little weak moderate moderate_high high very_high flag_values: -3, -2, -1, 0, 1, 2, 3, 4, 5, 6 valid_min: -3 valid_max: 6 origname: bsnow_con fullnamepath: /profile_2/low_rate/bsnow_con coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_bsnow_psc: | Array of 16 bit Integers [profile_2_low_rate_delta_time = 0..5382] units: 1 contentType: modelResult long_name: Blowing snow PSC flag description: Blowing snow PSC flag. Indicates the potential for polar stratospheric clouds to affect the blowing snow retrieval, where 0=none and 3=maximum. This flag is a function of month and hemisphere and is only applied poleward of 60 north and south. source: Atmosphere ATBD Section 4.5 flag_meanings: none slight moderate maximum_bsnow_PSC_affected flag_values: 0, 1, 2, 3 valid_min: 0 valid_max: 3 origname: bsnow_psc fullnamepath: /profile_2/low_rate/bsnow_psc coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_met_v50m: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: m s-1 contentType: referenceInformation long_name: northward_wind_at_50m standard_name: northward_wind description: Northward wind at 50m above the displacement height (m/s-1) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_v50m fullnamepath: /profile_2/low_rate/met_v50m coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_bsnow_h: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: meters contentType: modelResult long_name: Blowing snow top h description: Blowing snow layer top height source: Atmosphere ATBD origname: bsnow_h fullnamepath: /profile_2/low_rate/bsnow_h coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_met_v10m: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: m s-1 contentType: referenceInformation long_name: Northward_wind_at_10m standard_name: northward_wind description: Northward wind at 10m above the displacement height (m/s-1) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_v10m fullnamepath: /profile_2/low_rate/met_v10m coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_longitude: | Array of 64 bit Reals [profile_2_low_rate_delta_time = 0..5382] units: degrees_east contentType: referenceInformation long_name: Longitude of the ATM histogram standard_name: longitude description: Longitude at the the top of the ATM histogram, WGS84, East=+, derived from the geolocation of the ATM range window. source: ATL03g ATBD valid_min: -180.00000000000000 valid_max: 180.00000000000000 origname: longitude fullnamepath: /profile_2/low_rate/longitude coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude |
| profile_2_low_rate_met_ps: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: Pa contentType: referenceInformation long_name: Surface Pressure standard_name: pressure description: Surface Pressure (Pa) source: GEOS5 FPIT 3D DFPITI3NVASM origname: met_ps fullnamepath: /profile_2/low_rate/met_ps coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_latitude: | Array of 64 bit Reals [profile_2_low_rate_delta_time = 0..5382] units: degrees_north long_name: Latitude of the ATM histogram standard_name: latitude description: Latitude at the the top of the ATM histogram, WGS84, North=+, Derived from the geolocation of the ATM range window. source: ATL03g ATBD valid_min: -90.000000000000000 valid_max: 90.000000000000000 contentType: referenceInformation origname: latitude fullnamepath: /profile_2/low_rate/latitude coordinates: profile_2_low_rate_delta_time profile_2_low_rate_longitude |
| profile_2_low_rate_surf_type: | Array of 16 bit Integers [profile_2_low_rate_delta_time = 0..5382][ds_surf_type = 0..4] units: 1 contentType: referenceInformation long_name: surface type description: Flags describing which surface types this interval is associated with. 0=not type, 1=is type. Order of array is land, ocean, sea ice, land ice, inland water. source: ATL03 ATBD, Section 4 flag_meanings: not_type is_type flag_values: 0, 1 valid_min: 0 valid_max: 1 origname: surf_type fullnamepath: /profile_2/low_rate/surf_type coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_met_qv10m: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: kg kg-1 contentType: referenceInformation long_name: specific_humidity_at_10m standard_name: specific_humidity description: Specific humidity at 10 m above the displacement height (Pa) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_qv10m fullnamepath: /profile_2/low_rate/met_qv10m coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_bsnow_od: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Blowing snow OD description: Blowing snow layer optical depth source: Atmosphere ATBD origname: bsnow_od fullnamepath: /profile_2/low_rate/bsnow_od coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_met_tqi: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: kg m2 contentType: referenceInformation long_name: cloud_ice description: Total column cloud ice (Kg/m2) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_tqi fullnamepath: /profile_2/low_rate/met_tqi coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_met_t10m: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: K contentType: referenceInformation long_name: temperature_at_10m standard_name: temperature description: Temperature at 10m above the displacement height (K) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_t10m fullnamepath: /profile_2/low_rate/met_t10m coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_cal_c: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] units: Photons*m^3 *sr / J contentType: modelResult long_name: Calibration Constant description: Calibration Constant (for each beam at 1 Hz) source: Atmosphere ATBD origname: cal_c fullnamepath: /profile_2/low_rate/cal_c coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_met_tql: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: kg m2 contentType: referenceInformation long_name: cloud_liquid_water description: Total column cloud liquid water (kg/m2) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_tql fullnamepath: /profile_2/low_rate/met_tql coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_met_v2m: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: m s-1 contentType: referenceInformation long_name: Northward_wind_at_2m standard_name: northward_wind description: Northward wind at 2m above the displacement height (m/s-1) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_v2m fullnamepath: /profile_2/low_rate/met_v2m coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_met_ts: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: K contentType: referenceInformation long_name: surface_temperature standard_name: temperature description: Surface skin temperature (K) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_ts fullnamepath: /profile_2/low_rate/met_ts coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_met_qv2m: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: kg kg-1 contentType: referenceInformation long_name: specific_humidity_at_2m standard_name: specific_humidity description: Specific humidity at 2 m above the displacement height (Pa) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_qv2m fullnamepath: /profile_2/low_rate/met_qv2m coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_molec_bkscat_t: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382][profile_2_low_rate_ds_va_bin_h = 0..699] units: degreesC contentType: modelResult long_name: Temperature profile description: Temperature profiles from 20 km to -1 km source: Atmosphere ATBD origname: molec_bkscat_t fullnamepath: /profile_2/low_rate/molec_bkscat_t coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_met_u50m: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: m s-1 contentType: referenceInformation long_name: Eastward_wind_at_50m standard_name: eastward_wind description: Eastward wind at 50m above the displacement height (m/s-1) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_u50m fullnamepath: /profile_2/low_rate/met_u50m coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_met_slp: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] units: Pa contentType: modelResult long_name: sea_level_pressure standard_name: sea_level_pressure description: sea-level pressure (Pa) source: GEOS5 FPIT 3D DFPITI3NVASM origname: met_slp fullnamepath: /profile_2/low_rate/met_slp coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_met_troppb: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: Pa contentType: referenceInformation long_name: blended_tropopause_pressure standard_name: pressure description: Blended tropopause pressure (pa) source: GEOS5 FPIT 2D DFPITT1NXSLV origname: met_troppb fullnamepath: /profile_2/low_rate/met_troppb coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_bsnow_prob: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382] _FillValue: 3.402823466e+38 units: 1 contentType: modelResult long_name: Blowing Snow Probability description: The probability of blowing snow based on meteorological data. source: Atmosphere ATBD Section 4.5.1 origname: bsnow_prob fullnamepath: /profile_2/low_rate/bsnow_prob coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| profile_2_low_rate_mol_backscatter: | Array of 32 bit Reals [profile_2_low_rate_delta_time = 0..5382][profile_2_low_rate_ds_va_bin_h = 0..699] units: m-1 sr-1 contentType: modelResult long_name: Molecular backscatter profile description: Molecular backscatter profile, 30 m resolution, 20 km to -1 km source: Atmosphere ATBD origname: mol_backscatter fullnamepath: /profile_2/low_rate/mol_backscatter coordinates: profile_2_low_rate_delta_time profile_2_low_rate_latitude profile_2_low_rate_longitude |
| ancillary_data_release: | Array of Strings [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Release Number description: Release number of the granule. The release number is incremented when the software or ancillary data used to create the granule has been changed. source: Operations origname: release fullnamepath: /ancillary_data/release |
| ancillary_data_end_geoseg: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Ending Geolocation Segment description: The ending geolocation segment number associated with the data contained within this granule. ICESat granule geographic regions are further refined by geolocation segments. During the geolocation process, a geolocation segment is created approximately every 20m from the start of the orbit to the end. The geolocation segments help align the ATLAS strong a weak beams and provide a common segment length for the L2 and higher products. The geolocation segment indices differ slightly from orbit-to-orbit because of the irregular shape of the Earth. The geolocation segment indices on ATL01 and ATL02 are only approximate because beams have not been aligned at the time of their creation. source: Derived origname: end_geoseg fullnamepath: /ancillary_data/end_geoseg |
| ancillary_data_version: | Array of Strings [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Version description: Version number of this granule within the release. It is a sequential number corresponding to the number of times the granule has been reprocessed for the current release. source: Operations origname: version fullnamepath: /ancillary_data/version |
| ancillary_data_end_region: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Ending Region description: The ending product-specific region number associated with the data contained within this granule. ICESat-2 data products are separated by geographic regions. The data contained within a specific region are the same for ATL01 and ATL02. ATL03 regions differ slightly because of different geolocation segment locations caused by the irregular shape of the Earth. The region indices for other products are completely independent. source: Derived origname: end_region fullnamepath: /ancillary_data/end_region |
| ancillary_data_atmosphere_normalization2: | Array of 16 bit Integers [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: normalization2 description: normalization flag to use for pass 2 source: Atmosphere ATBD flag_meanings: true false flag_values: 0, 1 origname: normalization2 fullnamepath: /ancillary_data/atmosphere/normalization2 |
| ancillary_data_atmosphere_max_layers: | Array of 32 bit Integers [FakeDim0 = 0..0] units: bins contentType: auxiliaryInformation long_name: maximum cloud layers for a profile description: maximum cloud layers for a profile source: Atmosphere ATBD origname: max_layers fullnamepath: /ancillary_data/atmosphere/max_layers |
| ancillary_data_atmosphere_cal_bot_ht: | Array of 32 bit Reals [FakeDim0 = 0..0] units: m contentType: auxiliaryInformation long_name: cal_bot_ht description: Bottom height of calibration zone (m) source: Atmosphere ATBD origname: cal_bot_ht fullnamepath: /ancillary_data/atmosphere/cal_bot_ht |
| ancillary_data_atmosphere_surf_dem_span: | Array of 32 bit Reals [FakeDim0 = 0..0] units: meters contentType: auxiliaryInformation long_name: DEM Span description: DESM span for surface (m) source: Atmosphere ATBD origname: surf_dem_span fullnamepath: /ancillary_data/atmosphere/surf_dem_span |
| ancillary_data_atmosphere_bs_wind_thres: | Array of 32 bit Reals [FakeDim0 = 0..0] units: m/s contentType: auxiliaryInformation long_name: scale factor for layer top threshold description: minimum windspeed for blowing snow source: Atmosphere ATBD origname: bs_wind_thres fullnamepath: /ancillary_data/atmosphere/bs_wind_thres |
| ancillary_data_atmosphere_neighborhood1: | Array of 32 bit Reals [FakeDim0 = 0..0] units: bins contentType: auxiliaryInformation long_name: neighborhood1 description: neighborhood to use for pass 1 source: Atmosphere ATBD origname: neighborhood1 fullnamepath: /ancillary_data/atmosphere/neighborhood1 |
| ancillary_data_atmosphere_cal_top_ht: | Array of 32 bit Reals [FakeDim0 = 0..0] units: m contentType: auxiliaryInformation long_name: cal_top_ht description: Top height of calibration zone (m) source: Atmosphere ATBD origname: cal_top_ht fullnamepath: /ancillary_data/atmosphere/cal_top_ht |
| ancillary_data_atmosphere_alpha: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Scaling factor (a) description: Scaling factor (a) for computation of the magnitude of molecular folding. source: Atmosphere ATBD section 2 origname: alpha fullnamepath: /ancillary_data/atmosphere/alpha |
| ancillary_data_atmosphere_num_passes: | Array of 16 bit Integers [FakeDim1 = 0..2] units: 1 contentType: auxiliaryInformation long_name: number of passes description: Flag indicating if cloud detection algorithm does one pass or two passes (day, night, twilight) source: Atmosphere ATBD flag_meanings: one two flag_values: 0, 1 origname: num_passes fullnamepath: /ancillary_data/atmosphere/num_passes |
| ancillary_data_atmosphere_size_threshold1: | Array of 32 bit Reals [FakeDim1 = 0..2] units: bins contentType: auxiliaryInformation long_name: size_threshold1 description: size_threshold, minimum cluster size, to use for pass 1 (day, night, twilight) source: Atmosphere ATBD origname: size_threshold1 fullnamepath: /ancillary_data/atmosphere/size_threshold1 |
| ancillary_data_atmosphere_thresh_sensitivity2: | Array of 32 bit Reals [FakeDim1 = 0..2] units: 1 contentType: auxiliaryInformation long_name: thresh_sensitivity2 description: thresh_sensitivity to use for pass 2 (day, night, twilight) source: Atmosphere ATBD origname: thresh_sensitivity2 fullnamepath: /ancillary_data/atmosphere/thresh_sensitivity2 |
| ancillary_data_atmosphere_quantile2: | Array of 32 bit Reals [FakeDim1 = 0..2] units: 1 contentType: auxiliaryInformation long_name: quantile2 description: quantile to use for pass 2 (day, night, twilight) source: Atmosphere ATBD origname: quantile2 fullnamepath: /ancillary_data/atmosphere/quantile2 |
| ancillary_data_atmosphere_atlas_tele_fov: | Array of 32 bit Reals [FakeDim0 = 0..0] units: radians contentType: auxiliaryInformation long_name: ATLAS Telescope Field of View description: The ATLAS telescope field of view. source: Atmosphere ATBD origname: atlas_tele_fov fullnamepath: /ancillary_data/atmosphere/atlas_tele_fov |
| ancillary_data_atmosphere_quantile1: | Array of 32 bit Reals [FakeDim1 = 0..2] units: 1 contentType: auxiliaryInformation long_name: quantile1 description: quantile to use for pass 1 (day, night, twilight) source: Atmosphere ATBD origname: quantile1 fullnamepath: /ancillary_data/atmosphere/quantile1 |
| ancillary_data_atmosphere_backg_min_solar_elev: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Background minimum solar elevation angle description: Background minimum solar elevation angle in Method 1 bkgd comp source: Atmosphere ATBD section 3.3.4 origname: backg_min_solar_elev fullnamepath: /ancillary_data/atmosphere/backg_min_solar_elev |
| ancillary_data_atmosphere_layer_flag_cp1: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Layer Flag CP 1 description: Cloud_flag_ASR value used in the computation of the consolidated layer flag during daytime when cloud layers were detected. source: Atmosphere ATBD valid_min: 0 valid_max: 6 origname: layer_flag_cp1 fullnamepath: /ancillary_data/atmosphere/layer_flag_cp1 |
| ancillary_data_atmosphere_aclr_use_atlas: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation description: Flag to control the computation of the aclr_true parameter. source: Operations flag_meanings: non_water_uses_gnome non_water_uses_ATLAS_ASR flag_values: 0, 1 valid_min: 0 valid_max: 1 long_name: ALR Use ATLAS Flag origname: aclr_use_atlas fullnamepath: /ancillary_data/atmosphere/aclr_use_atlas |
| ancillary_data_atmosphere_a_m2: | Array of 32 bit Reals [FakeDim1 = 0..2] units: meters contentType: auxiliaryInformation long_name: a_m2 description: a_m, anisotropy factor, to use for pass 2 (day, night, twilight) source: Atmosphere ATBD origname: a_m2 fullnamepath: /ancillary_data/atmosphere/a_m2 |
| ancillary_data_atmosphere_cal_select: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: calibration method used description: The calibration method used in calculation of NRB source: Atmosphere ATBD section 3.3.4 flag_meanings: method1 method2 method3 flag_values: 1, 2, 3 valid_min: 1 valid_max: 3 origname: cal_select fullnamepath: /ancillary_data/atmosphere/cal_select |
| ancillary_data_atmosphere_cal_default: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Default calibration value description: Calibration constant default if it cannot be calculated from the data. source: Atmosphere ATBD origname: cal_default fullnamepath: /ancillary_data/atmosphere/cal_default |
| ancillary_data_atmosphere_cloud_det_layer_thick: | Array of 16 bit Integers [FakeDim0 = 0..0] units: bins contentType: auxiliaryInformation long_name: Cloud minimum layer description: A layer must be 3 bins thick to be considered a layer. source: Atmosphere ATBD origname: cloud_det_layer_thick fullnamepath: /ancillary_data/atmosphere/cloud_det_layer_thick |
| ancillary_data_atmosphere_dtime_select: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: dead time factor used description: Deadtime factor used. source: Control flag_meanings: dtime_fact1 dtime_fact2 flag_values: 1, 2 valid_min: 1 valid_max: 2 origname: dtime_select fullnamepath: /ancillary_data/atmosphere/dtime_select |
| ancillary_data_atmosphere_thresh_sensitivity1: | Array of 32 bit Reals [FakeDim1 = 0..2] units: 1 contentType: auxiliaryInformation long_name: thresh_sensitivity1 description: thresh_sensitivity to use for pass 1 (day, night, twilight) source: Atmosphere ATBD origname: thresh_sensitivity1 fullnamepath: /ancillary_data/atmosphere/thresh_sensitivity1 |
| ancillary_data_atmosphere_cutoff2: | Array of 32 bit Reals [FakeDim1 = 0..2] units: 1 contentType: auxiliaryInformation long_name: cutoff2 description: cutoff to use for pass 2 (day, night, twilight) source: Atmosphere ATBD origname: cutoff2 fullnamepath: /ancillary_data/atmosphere/cutoff2 |
| ancillary_data_atmosphere_surf_lay_thick: | Array of 32 bit Reals [FakeDim0 = 0..0] units: meters contentType: auxiliaryInformation long_name: Surface layer thickness description: Layer thickness for surface (m) source: Atmosphere ATBD origname: surf_lay_thick fullnamepath: /ancillary_data/atmosphere/surf_lay_thick |
| ancillary_data_atmosphere_neighborhood2: | Array of 32 bit Reals [FakeDim0 = 0..0] units: bins contentType: auxiliaryInformation description: neighborhood to use for pass 2 source: Atmosphere ATBD long_name: neighborhood2 origname: neighborhood2 fullnamepath: /ancillary_data/atmosphere/neighborhood2 |
| ancillary_data_atmosphere_a_m1: | Array of 32 bit Reals [FakeDim1 = 0..2] units: meters contentType: auxiliaryInformation long_name: a_m1 description: a_m, anisotropy factor, to use for pass 1 (day, night, twilight) source: Atmosphere ATBD origname: a_m1 fullnamepath: /ancillary_data/atmosphere/a_m1 |
| ancillary_data_atmosphere_threshold_segment_length2: | Array of 32 bit Reals [FakeDim1 = 0..2] units: bins contentType: auxiliaryInformation long_name: threshold_segment_length2 description: threshold_segment_length to use for pass 2 (day, night, twilight) source: Atmosphere ATBD origname: threshold_segment_length2 fullnamepath: /ancillary_data/atmosphere/threshold_segment_length2 |
| ancillary_data_atmosphere_thresh_bias1: | Array of 32 bit Reals [FakeDim1 = 0..2] units: photons* square meter/Joule contentType: auxiliaryInformation long_name: thresh_bias1 description: thresh_bias to use for pass 1 (day, night, twilight) source: Atmosphere ATBD origname: thresh_bias1 fullnamepath: /ancillary_data/atmosphere/thresh_bias1 |
| ancillary_data_atmosphere_sigma1: | Array of 32 bit Reals [FakeDim1 = 0..2] units: meters contentType: auxiliaryInformation long_name: sigma1 description: sigma to use for pass 1 (day, night, twilight) source: Atmosphere ATBD origname: sigma1 fullnamepath: /ancillary_data/atmosphere/sigma1 |
| ancillary_data_atmosphere_cutoff1: | Array of 32 bit Reals [FakeDim1 = 0..2] units: 1 contentType: auxiliaryInformation long_name: cutoff1 description: cutoff to use for pass 1 (day, night, twilight) source: Atmosphere ATBD origname: cutoff1 fullnamepath: /ancillary_data/atmosphere/cutoff1 |
| ancillary_data_atmosphere_snow_age: | Array of 32 bit Reals [FakeDim0 = 0..0] units: hours contentType: auxiliaryInformation long_name: Snow Age description: Age of the snow on the ground. source: Atmosphere ATBD origname: snow_age fullnamepath: /ancillary_data/atmosphere/snow_age |
| ancillary_data_atmosphere_bs_thresh_scale: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: scale factor for blowing snow threshold description: scale factor for blowing snow threshold source: Atmosphere ATBD origname: bs_thresh_scale fullnamepath: /ancillary_data/atmosphere/bs_thresh_scale |
| ancillary_data_atmosphere_backg_max_solar_elev: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Background maximum solar elevation angle description: Background maximum solar elevation angle in Method 1 bkgd comp source: Atmosphere ATBD section 3.3.4 origname: backg_max_solar_elev fullnamepath: /ancillary_data/atmosphere/backg_max_solar_elev |
| ancillary_data_atmosphere_surf_min: | Array of 32 bit Integers [FakeDim0 = 0..0] units: counts contentType: auxiliaryInformation long_name: minimum count for a surface type to be considered separate surface type description: minimum count for a surface type to be considered separate surface type source: Atmosphere ATBD origname: surf_min fullnamepath: /ancillary_data/atmosphere/surf_min |
| ancillary_data_atmosphere_downsample2: | Array of 32 bit Reals [FakeDim1 = 0..2] units: bins contentType: auxiliaryInformation long_name: downsample2 description: downsample to use for pass 2 (day, night, twilight) source: Atmosphere ATBD origname: downsample2 fullnamepath: /ancillary_data/atmosphere/downsample2 |
| ancillary_data_atmosphere_downsample1: | Array of 32 bit Reals [FakeDim1 = 0..2] units: bins contentType: auxiliaryInformation long_name: downsample1 description: downsample to use for pass 1 (day, night, twilight) source: Atmosphere ATBD origname: downsample1 fullnamepath: /ancillary_data/atmosphere/downsample1 |
| ancillary_data_atmosphere_receiver_optical_throughput: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Receiver Optics Throughput description: Nominal Receiver Optics Throughput source: Atmosphere ATBD origname: receiver_optical_throughput fullnamepath: /ancillary_data/atmosphere/receiver_optical_throughput |
| ancillary_data_atmosphere_normalization1: | Array of 16 bit Integers [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: normalization1 description: normalization flag to use for pass 1 source: Atmosphere ATBD flag_meanings: true false flag_values: 0, 1 origname: normalization1 fullnamepath: /ancillary_data/atmosphere/normalization1 |
| ancillary_data_atmosphere_sigma2: | Array of 32 bit Reals [FakeDim1 = 0..2] units: meters contentType: auxiliaryInformation long_name: sigma2 description: sigma to use for pass 2 (day, night, twilight) source: Atmosphere ATBD origname: sigma2 fullnamepath: /ancillary_data/atmosphere/sigma2 |
| ancillary_data_atmosphere_layer_thick: | Array of 32 bit Integers [FakeDim0 = 0..0] units: bins contentType: auxiliaryInformation long_name: minimum layer thickness description: minimum layer thickness source: Atmosphere ATBD origname: layer_thick fullnamepath: /ancillary_data/atmosphere/layer_thick |
| ancillary_data_atmosphere_telescope_area: | Array of 64 bit Reals [FakeDim0 = 0..0] units: sq meters contentType: auxiliaryInformation long_name: Telescope Effective Area description: Effective collection area of telescope (At) source: Atmosphere ATBD origname: telescope_area fullnamepath: /ancillary_data/atmosphere/telescope_area |
| ancillary_data_atmosphere_bs_extinc_backs: | Array of 32 bit Reals [FakeDim0 = 0..0] units: sr contentType: auxiliaryInformation long_name: Blowing Snow to Extinction Backscatter Ratio description: blowing snow extinct to backscatter ratio source: Atmosphere ATBD origname: bs_extinc_backs fullnamepath: /ancillary_data/atmosphere/bs_extinc_backs |
| ancillary_data_atmosphere_planck_const: | Array of 64 bit Reals [FakeDim0 = 0..0] units: Js contentType: auxiliaryInformation long_name: Planck constant (h) description: Planck constant (h) source: Atmosphere ATBD section 2 origname: planck_const fullnamepath: /ancillary_data/atmosphere/planck_const |
| ancillary_data_atmosphere_atlas_bandpass_fw: | Array of 32 bit Reals [FakeDim0 = 0..0] units: nm contentType: auxiliaryInformation long_name: ATLAS Bandpass Filter Width description: The ATLAS bandpass filter width. source: Atmosphere ATBD origname: atlas_bandpass_fw fullnamepath: /ancillary_data/atmosphere/atlas_bandpass_fw |
| ancillary_data_atmosphere_layer_sep: | Array of 32 bit Integers [FakeDim0 = 0..0] units: bins contentType: auxiliaryInformation long_name: minimum layer separation description: minimum layer separation source: Atmosphere ATBD origname: layer_sep fullnamepath: /ancillary_data/atmosphere/layer_sep |
| ancillary_data_atmosphere_layer_flag_cp2: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Layer Flag CP 2 description: Cloud_flag_ASR value used in the computation of the consolidated layer flag during daytime when no cloud layers were detected. source: Atmosphere ATBD valid_min: 0 valid_max: 6 origname: layer_flag_cp2 fullnamepath: /ancillary_data/atmosphere/layer_flag_cp2 |
| ancillary_data_atmosphere_proc_interval: | Array of 64 bit Reals [FakeDim0 = 0..0] units: s contentType: auxiliaryInformation long_name: amount of data processed at one time description: amount of data processed at one time source: Atmosphere ATBD origname: proc_interval fullnamepath: /ancillary_data/atmosphere/proc_interval |
| ancillary_data_atmosphere_surface_signal_source: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Signal Source Flag description: Indicates the source of signal information used by ASR. source: Atmosphere ATBD flag_meanings: use_atl04 use_atl03 flag_values: 1, 2 valid_min: 1 valid_max: 2 origname: surface_signal_source fullnamepath: /ancillary_data/atmosphere/surface_signal_source |
| ancillary_data_atmosphere_detector_efficiency: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Detector Quantum Efficiency description: Detector quantum efficiency (Qe) source: Atmosphere ATBD origname: detector_efficiency fullnamepath: /ancillary_data/atmosphere/detector_efficiency |
| ancillary_data_atmosphere_backg_select: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: background method used description: The background method used in calculation of NRB source: Atmosphere ATBD section 3.3.4 flag_meanings: method1 method2 method3 flag_values: 1, 2, 3 valid_min: 1 valid_max: 3 origname: backg_select fullnamepath: /ancillary_data/atmosphere/backg_select |
| ancillary_data_atmosphere_bs_lay_max_size: | Array of 32 bit Reals [FakeDim0 = 0..0] units: m contentType: auxiliaryInformation long_name: blowing snow maximum layer size description: blowing snow maximum layer size source: Atmosphere ATBD origname: bs_lay_max_size fullnamepath: /ancillary_data/atmosphere/bs_lay_max_size |
| ancillary_data_atmosphere_size_threshold2: | Array of 32 bit Reals [FakeDim1 = 0..2] units: bins contentType: auxiliaryInformation description: size_threshold, minimum cluster size, to use for pass 2 (day, night, twilight) source: Atmosphere ATBD long_name: size_threshold2 origname: size_threshold2 fullnamepath: /ancillary_data/atmosphere/size_threshold2 |
| ancillary_data_atmosphere_asr_cal_factor: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: ASR CAL factor description: Calibration factor for ASR computation source: Atmosphere ATBD origname: asr_cal_factor fullnamepath: /ancillary_data/atmosphere/asr_cal_factor |
| ancillary_data_atmosphere_thresh_bias2: | Array of 32 bit Reals [FakeDim1 = 0..2] units: photons* square meter/Joule contentType: auxiliaryInformation long_name: thresh_bias2 description: thresh_bias to use for pass 2 (day, night, twilight) source: Atmosphere ATBD origname: thresh_bias2 fullnamepath: /ancillary_data/atmosphere/thresh_bias2 |
| ancillary_data_atmosphere_threshold_segment_length1: | Array of 32 bit Reals [FakeDim1 = 0..2] units: bins contentType: auxiliaryInformation long_name: threshold_segment_length1 description: threshold_segment_length to use for pass 1 (day, night, twilight) source: Atmosphere ATBD origname: threshold_segment_length1 fullnamepath: /ancillary_data/atmosphere/threshold_segment_length1 |
| ancillary_data_atmosphere_cal_lat_bound: | Array of 64 bit Reals [FakeDim0 = 0..0] units: degrees_north contentType: auxiliaryInformation long_name: cal_lat_bound description: Calibration constant latitude bound (deg_north) source: Atmosphere ATBD origname: cal_lat_bound fullnamepath: /ancillary_data/atmosphere/cal_lat_bound |
| ancillary_data_atmosphere_bs_top_scale: | Array of 32 bit Reals [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: scale factor for layer top threshold description: scale factor for layer top threshold source: Atmosphere ATBD origname: bs_top_scale fullnamepath: /ancillary_data/atmosphere/bs_top_scale |
| ancillary_data_atmosphere_solar_flux: | Array of 32 bit Reals [FakeDim0 = 0..0] units: W/(m^2 nm)) contentType: auxiliaryInformation long_name: Solar Flux description: Solar flux at the top of the atmosphere at 532nm. source: Atmosphere ATBD origname: solar_flux fullnamepath: /ancillary_data/atmosphere/solar_flux |
| ancillary_data_atlas_sdp_gps_epoch: | Array of 64 bit Reals [FakeDim0 = 0..0] units: seconds since 1980-01-06T00:00:00.000000Z contentType: auxiliaryInformation long_name: ATLAS Epoch Offset description: Number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS Standard Data Product (SDP) epoch (2018-01-01:T00.00.00.000000 UTC). Add this value to delta time parameters to compute full gps_seconds (relative to the GPS epoch) for each data point. source: Operations origname: atlas_sdp_gps_epoch fullnamepath: /ancillary_data/atlas_sdp_gps_epoch |
| ancillary_data_end_rgt: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Ending Reference Groundtrack description: The ending reference groundtrack (RGT) number associated with the data contained within this granule. There are 1387 reference groundtrack in the ICESat-2 repeat orbit. The reference groundtrack increments each time the spacecraft completes a full orbit of the Earth and resets to 1 each time the spacecraft completes a full cycle. source: Derived valid_min: 1 valid_max: 1387 origname: end_rgt fullnamepath: /ancillary_data/end_rgt |
| ancillary_data_end_delta_time: | Array of 64 bit Reals [FakeDim0 = 0..0] units: seconds since 2018-01-01 contentType: auxiliaryInformation long_name: ATLAS End Time (Actual) standard_name: time description: Number of GPS seconds since the ATLAS SDP epoch at the last data point in the file. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. source: Derived origname: end_delta_time fullnamepath: /ancillary_data/end_delta_time |
| ancillary_data_end_orbit: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Ending Orbit Number description: The ending orbit number associated with the data contained within this granule. The orbit number increments each time the spacecraft completes a full orbit of the Earth. source: Derived origname: end_orbit fullnamepath: /ancillary_data/end_orbit |
| ancillary_data_start_cycle: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Starting Cycle description: The starting cycle number associated with the data contained within this granule. The cycle number is the counter of the number of 91-day repeat cycles completed by the mission. source: Derived valid_min: 0 valid_max: 99 origname: start_cycle fullnamepath: /ancillary_data/start_cycle |
| ancillary_data_data_end_utc: | Array of Strings [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: End UTC Time of Granule (CCSDS-A, Actual) description: UTC (in CCSDS-A format) of the last data point within the granule. source: Derived origname: data_end_utc fullnamepath: /ancillary_data/data_end_utc |
| ancillary_data_control: | Array of Strings [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Control File description: PGE-specific control file used to generate this granule. To re-use, replace breaks (BR) with linefeeds. source: Operations origname: control fullnamepath: /ancillary_data/control |
| ancillary_data_start_gpssow: | Array of 64 bit Reals [FakeDim0 = 0..0] units: seconds contentType: auxiliaryInformation long_name: Start GPS SOW of Granule (Actual) description: GPS seconds-of-week of the first data point in the granule. source: Derived origname: start_gpssow fullnamepath: /ancillary_data/start_gpssow |
| ancillary_data_granule_end_utc: | Array of Strings [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: End UTC Time of Granule (CCSDS-A, Requested) description: Requested end time (in UTC CCSDS-A) of this granule. source: Derived origname: granule_end_utc fullnamepath: /ancillary_data/granule_end_utc |
| ancillary_data_end_cycle: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Ending Cycle description: The ending cycle number associated with the data contained within this granule. The cycle number is the counter of the number of 91-day repeat cycles completed by the mission. source: Derived valid_min: 0 valid_max: 99 origname: end_cycle fullnamepath: /ancillary_data/end_cycle |
| ancillary_data_granule_start_utc: | Array of Strings [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Start UTC Time of Granule (CCSDS-A, Requested) description: Requested start time (in UTC CCSDS-A) of this granule. source: Derived origname: granule_start_utc fullnamepath: /ancillary_data/granule_start_utc |
| ancillary_data_start_delta_time: | Array of 64 bit Reals [FakeDim0 = 0..0] units: seconds since 2018-01-01 contentType: auxiliaryInformation long_name: ATLAS Start Time (Actual) standard_name: time description: Number of GPS seconds since the ATLAS SDP epoch at the first data point in the file. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. source: Derived origname: start_delta_time fullnamepath: /ancillary_data/start_delta_time |
| ancillary_data_start_geoseg: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Starting Geolocation Segment description: The starting geolocation segment number associated with the data contained within this granule. ICESat granule geographic regions are further refined by geolocation segments. During the geolocation process, a geolocation segment is created approximately every 20m from the start of the orbit to the end. The geolocation segments help align the ATLAS strong a weak beams and provide a common segment length for the L2 and higher products. The geolocation segment indices differ slightly from orbit-to-orbit because of the irregular shape of the Earth. The geolocation segment indices on ATL01 and ATL02 are only approximate because beams have not been aligned at the time of their creation. source: Derived origname: start_geoseg fullnamepath: /ancillary_data/start_geoseg |
| ancillary_data_start_orbit: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Starting Orbit Number description: The starting orbit number associated with the data contained within this granule. The orbit number increments each time the spacecraft completes a full orbit of the Earth. source: Derived origname: start_orbit fullnamepath: /ancillary_data/start_orbit |
| ancillary_data_data_start_utc: | Array of Strings [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Start UTC Time of Granule (CCSDS-A, Actual) description: UTC (in CCSDS-A format) of the first data point within the granule. source: Derived origname: data_start_utc fullnamepath: /ancillary_data/data_start_utc |
| ancillary_data_end_gpsweek: | Array of 32 bit Integers [FakeDim0 = 0..0] units: weeks from 1980-01-06 contentType: auxiliaryInformation long_name: Ending GPSWeek of Granule (Actual) description: GPS week number of the last data point in the granule. source: Derived origname: end_gpsweek fullnamepath: /ancillary_data/end_gpsweek |
| ancillary_data_start_rgt: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Starting Reference Groundtrack description: The starting reference groundtrack (RGT) number associated with the data contained within this granule. There are 1387 reference groundtrack in the ICESat-2 repeat orbit. The reference groundtrack increments each time the spacecraft completes a full orbit of the Earth and resets to 1 each time the spacecraft completes a full cycle. source: Derived valid_min: 1 valid_max: 1387 origname: start_rgt fullnamepath: /ancillary_data/start_rgt |
| ancillary_data_end_gpssow: | Array of 64 bit Reals [FakeDim0 = 0..0] units: seconds contentType: auxiliaryInformation long_name: Ending GPS SOW of Granule (Actual) description: GPS seconds-of-week of the last data point in the granule. source: Derived origname: end_gpssow fullnamepath: /ancillary_data/end_gpssow |
| ancillary_data_qa_at_interval: | Array of 64 bit Reals [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: QA Along-Track Interval description: Statistics time interval for along-track QA data. source: control origname: qa_at_interval fullnamepath: /ancillary_data/qa_at_interval |
| ancillary_data_start_region: | Array of 32 bit Integers [FakeDim0 = 0..0] units: 1 contentType: auxiliaryInformation long_name: Starting Region description: The starting product-specific region number associated with the data contained within this granule. ICESat-2 data products are separated by geographic regions. The data contained within a specific region are the same for ATL01 and ATL02. ATL03 regions differ slightly because of different geolocation segment locations caused by the irregular shape of the Earth. The region indices for other products are completely independent. source: Derived origname: start_region fullnamepath: /ancillary_data/start_region |
| ancillary_data_start_gpsweek: | Array of 32 bit Integers [FakeDim0 = 0..0] units: weeks from 1980-01-06 contentType: auxiliaryInformation long_name: Start GPSWeek of Granule (Actual) description: GPS week number of the first data point in the granule. source: Derived origname: start_gpsweek fullnamepath: /ancillary_data/start_gpsweek |
| ds_surf_type: | Array of 32 bit Integers [ds_surf_type = 0..4] units: 1 contentType: auxiliaryInformation long_name: Surface Type Dimension Scale description: Dimension scale indexing the surface type array. Index=1 corresponds to Land; index = 2 corresponds to Ocean; Index = 3 corresponds to SeaIce; Index=4 corresponds to LandIce; Index=5 corresponds to InlandWater flag_meanings: land ocean seaice landice inland_water flag_values: 1, 2, 3, 4, 5 valid_min: 1 valid_max: 5 origname: ds_surf_type fullnamepath: /ds_surf_type |
| orbit_info_crossing_time: | Array of 64 bit Reals [orbit_info_crossing_time = 0..0] units: seconds since 2018-01-01 contentType: referenceInformation long_name: Ascending Node Crossing Time standard_name: time description: The time, in seconds since the ATLAS SDP GPS Epoch, at which the ascending node crosses the equator. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. source: POD/PPD origname: crossing_time fullnamepath: /orbit_info/crossing_time |
| orbit_info_sc_orient_time: | Array of 64 bit Reals [orbit_info_sc_orient_time = 0..0] units: seconds since 2018-01-01 contentType: referenceInformation long_name: Time of Last Spacecraft Orientation Change standard_name: time description: The time of the last spacecraft orientation change between forward, backward and transitional flight modes, expressed in seconds since the ATLAS SDP GPS Epoch. ICESat-2 is considered to be flying forward when the weak beams are leading the strong beams; and backward when the strong beams are leading the weak beams. ICESat-2 is considered to be in transition while it is maneuvering between the two orientations. Science quality is potentially degraded while in transition mode. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. source: POD/PPD origname: sc_orient_time fullnamepath: /orbit_info/sc_orient_time |
| profile_1_bckgrd_atlas_delta_time: | Array of 64 bit Reals [profile_1_bckgrd_atlas_delta_time = 0..1071327] units: seconds since 2018-01-01 contentType: physicalMeasurement long_name: Elapsed GPS seconds standard_name: time description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. source: Derived via Time Tagging coordinates: delta_time origname: delta_time fullnamepath: /profile_1/bckgrd_atlas/delta_time |
| profile_1_high_rate_delta_time: | Array of 64 bit Reals [profile_1_high_rate_delta_time = 0..134416] units: seconds since 2018-01-01 contentType: modelResult long_name: Elapsed GPS seconds standard_name: time description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. source: Atmosphere ATBD coordinates: latitude longitude origname: delta_time fullnamepath: /profile_1/high_rate/delta_time |
| profile_1_high_rate_ds_layers: | Array of 32 bit Integers [profile_1_high_rate_ds_layers = 0..9] units: counts contentType: auxiliaryInformation long_name: Cloud Layers Dimension Scale description: Dimension scale indexing the cloud layers. source: Atmosphere ATBD valid_min: 1 valid_max: 10 origname: ds_layers fullnamepath: /profile_1/high_rate/ds_layers |
| profile_1_high_rate_ds_va_bin_h: | Array of 32 bit Reals [profile_1_high_rate_ds_va_bin_h = 0..699] units: meters contentType: auxiliaryInformation long_name: VA Bin Height Dimension Scale description: Dimension scale containing the heights of the vertically-aligned bins. source: Atmosphere ATBD valid_min: -955.5000000 valid_max: 20000.00000 origname: ds_va_bin_h fullnamepath: /profile_1/high_rate/ds_va_bin_h |
| profile_1_low_rate_delta_time: | Array of 64 bit Reals [profile_1_low_rate_delta_time = 0..5382] units: seconds since 2018-01-01 contentType: referenceInformation long_name: Elapsed GPS seconds standard_name: time description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. source: telemetry coordinates: latitude longitude origname: delta_time fullnamepath: /profile_1/low_rate/delta_time |
| profile_1_low_rate_ds_va_bin_h: | Array of 32 bit Reals [profile_1_low_rate_ds_va_bin_h = 0..699] units: meters contentType: auxiliaryInformation long_name: VA Bin Height Dimension Scale description: Dimension scale containing the heights of the vertically-aligned bins. source: Atmosphere ATBD valid_min: -955.5000000 valid_max: 20000.00000 origname: ds_va_bin_h fullnamepath: /profile_1/low_rate/ds_va_bin_h |
| profile_2_bckgrd_atlas_delta_time: | Array of 64 bit Reals [profile_2_bckgrd_atlas_delta_time = 0..1069754] units: seconds since 2018-01-01 contentType: physicalMeasurement long_name: Elapsed GPS seconds standard_name: time description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. source: Derived via Time Tagging coordinates: delta_time origname: delta_time fullnamepath: /profile_2/bckgrd_atlas/delta_time |
| profile_2_high_rate_delta_time: | Array of 64 bit Reals [profile_2_high_rate_delta_time = 0..134417] units: seconds since 2018-01-01 contentType: modelResult long_name: Elapsed GPS seconds standard_name: time description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. source: Atmosphere ATBD coordinates: latitude longitude origname: delta_time fullnamepath: /profile_2/high_rate/delta_time |
| profile_2_high_rate_ds_layers: | Array of 32 bit Integers [profile_2_high_rate_ds_layers = 0..9] units: counts contentType: auxiliaryInformation long_name: Cloud Layers Dimension Scale description: Dimension scale indexing the cloud layers. source: Atmosphere ATBD valid_min: 1 valid_max: 10 origname: ds_layers fullnamepath: /profile_2/high_rate/ds_layers |
| profile_2_high_rate_ds_va_bin_h: | Array of 32 bit Reals [profile_2_high_rate_ds_va_bin_h = 0..699] units: meters contentType: auxiliaryInformation long_name: VA Bin Height Dimension Scale description: Dimension scale containing the heights of the vertically-aligned bins. source: Atmosphere ATBD valid_min: -955.5000000 valid_max: 20000.00000 origname: ds_va_bin_h fullnamepath: /profile_2/high_rate/ds_va_bin_h |
| profile_2_low_rate_delta_time: | Array of 64 bit Reals [profile_2_low_rate_delta_time = 0..5382] units: seconds since 2018-01-01 contentType: referenceInformation long_name: Elapsed GPS seconds standard_name: time description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. source: telemetry coordinates: latitude longitude origname: delta_time fullnamepath: /profile_2/low_rate/delta_time |
| profile_2_low_rate_ds_va_bin_h: | Array of 32 bit Reals [profile_2_low_rate_ds_va_bin_h = 0..699] units: meters contentType: auxiliaryInformation long_name: VA Bin Height Dimension Scale description: Dimension scale containing the heights of the vertically-aligned bins. source: Atmosphere ATBD valid_min: -955.5000000 valid_max: 20000.00000 origname: ds_va_bin_h fullnamepath: /profile_2/low_rate/ds_va_bin_h |
| profile_3_bckgrd_atlas_delta_time: | Array of 64 bit Reals [profile_3_bckgrd_atlas_delta_time = 0..1072896] units: seconds since 2018-01-01 contentType: physicalMeasurement long_name: Elapsed GPS seconds standard_name: time description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. source: Derived via Time Tagging coordinates: delta_time origname: delta_time fullnamepath: /profile_3/bckgrd_atlas/delta_time |
| profile_3_high_rate_delta_time: | Array of 64 bit Reals [profile_3_high_rate_delta_time = 0..134417] units: seconds since 2018-01-01 contentType: modelResult long_name: Elapsed GPS seconds standard_name: time description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. source: Atmosphere ATBD coordinates: latitude longitude origname: delta_time fullnamepath: /profile_3/high_rate/delta_time |
| profile_3_high_rate_ds_layers: | Array of 32 bit Integers [profile_3_high_rate_ds_layers = 0..9] units: counts contentType: auxiliaryInformation long_name: Cloud Layers Dimension Scale description: Dimension scale indexing the cloud layers. source: Atmosphere ATBD valid_min: 1 valid_max: 10 origname: ds_layers fullnamepath: /profile_3/high_rate/ds_layers |
| profile_3_high_rate_ds_va_bin_h: | Array of 32 bit Reals [profile_3_high_rate_ds_va_bin_h = 0..699] units: meters contentType: auxiliaryInformation long_name: VA Bin Height Dimension Scale description: Dimension scale containing the heights of the vertically-aligned bins. source: Atmosphere ATBD valid_min: -955.5000000 valid_max: 20000.00000 origname: ds_va_bin_h fullnamepath: /profile_3/high_rate/ds_va_bin_h |
| profile_3_low_rate_delta_time: | Array of 64 bit Reals [profile_3_low_rate_delta_time = 0..5382] units: seconds since 2018-01-01 contentType: referenceInformation long_name: Elapsed GPS seconds standard_name: time description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. source: telemetry coordinates: latitude longitude origname: delta_time fullnamepath: /profile_3/low_rate/delta_time |
| profile_3_low_rate_ds_va_bin_h: | Array of 32 bit Reals [profile_3_low_rate_ds_va_bin_h = 0..699] units: meters contentType: auxiliaryInformation long_name: VA Bin Height Dimension Scale description: Dimension scale containing the heights of the vertically-aligned bins. source: Atmosphere ATBD valid_min: -955.5000000 valid_max: 20000.00000 origname: ds_va_bin_h fullnamepath: /profile_3/low_rate/ds_va_bin_h |
| FakeDim0: | Array of 32 bit Integers [FakeDim0 = 0..0] units: level |
| FakeDim1: | Array of 32 bit Integers [FakeDim1 = 0..2] units: level |