X coordinate of cell center in EASE 2.0 global projection projection_x_coordinate X m x /x Y coordinate of cell center in EASE 2.0 global projection projection_y_coordinate Y m y /y level Catchment model forecast surface soil moisture (0-5 cm) 0.8999999762 -9999.000000 -9999.000000 -9999.000000 y x m3 m-3 EASE2_global_projection 0.000000000 sm_surface_forecast /Forecast_Data/sm_surface_forecast cell_lat cell_lon Composite resolution Catchment model forecast 1.41 GHz V-pol brightness temperature. Model forecast brightness temperatures that correspond to 36 km observations from the L1C_TB product are aggregated from 9 km to 36 km and then posted at 9 km for convenience. Output is only stored at times and locations for which input SMAP Level 1 or Level 2 data are ingested. If more than one overpass occurs for a given grid cell within the assimilation time window, output represents average over all overpass times. 350.0000000 -9999.000000 -9999.000000 -9999.000000 y x K EASE2_global_projection 100.0000000 tb_v_forecast /Forecast_Data/tb_v_forecast cell_lat cell_lon Catchment model forecast surface temperature 350.0000000 -9999.000000 -9999.000000 -9999.000000 y x K EASE2_global_projection 180.0000000 surface_temp_forecast /Forecast_Data/surface_temp_forecast cell_lat cell_lon Uncertainty (ensemble std-dev) of tb_v_forecast. Model forecast brightness temperatures that correspond to 36 km observations from the L1C_TB product are aggregated from 9 km to 36 km and then posted at 9 km for convenience. Output is only stored at times and locations for which input SMAP Level 1 or Level 2 data are ingested. If more than one overpass occurs for a given grid cell within the assimilation time window, output represents average over all overpass times. 50.00000000 -9999.000000 -9999.000000 -9999.000000 y x K EASE2_global_projection 0.000000000 tb_v_forecast_ensstd /Forecast_Data/tb_v_forecast_ensstd cell_lat cell_lon Catchment model forecast soil temperature in layer 1 of soil heat diffusion model 340.0000000 -9999.000000 -9999.000000 -9999.000000 y x K EASE2_global_projection 210.0000000 soil_temp_layer1_forecast /Forecast_Data/soil_temp_layer1_forecast cell_lat cell_lon Catchment model forecast total profile soil moisture (0 cm to model bedrock depth) 0.8999999762 -9999.000000 -9999.000000 -9999.000000 y x m3 m-3 EASE2_global_projection 0.000000000 sm_profile_forecast /Forecast_Data/sm_profile_forecast cell_lat cell_lon Composite resolution Catchment model forecast 1.41 GHz H-pol brightness temperature. Model forecast brightness temperatures that correspond to 36 km observations from the L1C_TB product are aggregated from 9 km to 36 km and then posted at 9 km for convenience. Output is only stored at times and locations for which input SMAP Level 1 or Level 2 data are ingested. If more than one overpass occurs for a given grid cell within the assimilation time window, output represents average over all overpass times. 350.0000000 -9999.000000 -9999.000000 -9999.000000 y x K EASE2_global_projection 100.0000000 tb_h_forecast /Forecast_Data/tb_h_forecast cell_lat cell_lon Catchment model forecast root zone soil moisture (0-100 cm) 0.8999999762 -9999.000000 -9999.000000 -9999.000000 y x m3 m-3 EASE2_global_projection 0.000000000 sm_rootzone_forecast /Forecast_Data/sm_rootzone_forecast cell_lat cell_lon Uncertainty (ensemble std-dev) of tb_h_forecast. Model forecast brightness temperatures that correspond to 36 km observations from the L1C_TB product are aggregated from 9 km to 36 km and then posted at 9 km for convenience. Output is only stored at times and locations for which input SMAP Level 1 or Level 2 data are ingested. If more than one overpass occurs for a given grid cell within the assimilation time window, output represents average over all overpass times. 50.00000000 -9999.000000 -9999.000000 -9999.000000 y x K EASE2_global_projection 0.000000000 tb_h_forecast_ensstd /Forecast_Data/tb_h_forecast_ensstd cell_lat cell_lon Time seconds since 2000-01-01 11:58:55.816 628430400.00000000 628430400.00000000 0000-00-00 03:00:00 time /time lambert_cylindrical_equal_area 30.000000000000000 0.0000000000000000 0.0000000000000000 0.0000000000000000 EASE2_global_projection /EASE2_global_projection Uncertainty of analysis surface soil moisture (0-5 cm; ensemble std-dev) 1.000000000 -9999.000000 -9999.000000 -9999.000000 y x m3 m-3 EASE2_global_projection 0.000000000 sm_surface_analysis_ensstd /Analysis_Data/sm_surface_analysis_ensstd cell_lat cell_lon Uncertainty of analysis surface temperature (ensemble std-dev) 50.00000000 -9999.000000 -9999.000000 -9999.000000 y x K EASE2_global_projection 0.000000000 surface_temp_analysis_ensstd /Analysis_Data/surface_temp_analysis_ensstd cell_lat cell_lon Uncertainty of analysis root zone soil moisture (0-100 cm; ensemble std-dev) 1.000000000 -9999.000000 -9999.000000 -9999.000000 y x m3 m-3 EASE2_global_projection 0.000000000 sm_rootzone_analysis_ensstd /Analysis_Data/sm_rootzone_analysis_ensstd cell_lat cell_lon Analysis surface soil moisture (0-5 cm) 0.8999999762 -9999.000000 -9999.000000 -9999.000000 y x m3 m-3 EASE2_global_projection 0.000000000 sm_surface_analysis /Analysis_Data/sm_surface_analysis cell_lat cell_lon Uncertainty of analysis total profile soil moisture (0 cm to model bedrock depth; ensemble std-dev) 1.000000000 -9999.000000 -9999.000000 -9999.000000 y x m3 m-3 EASE2_global_projection 0.000000000 sm_profile_analysis_ensstd /Analysis_Data/sm_profile_analysis_ensstd cell_lat cell_lon Analysis root zone soil moisture (0-100 cm) 0.8999999762 -9999.000000 -9999.000000 -9999.000000 y x m3 m-3 EASE2_global_projection 0.000000000 sm_rootzone_analysis /Analysis_Data/sm_rootzone_analysis cell_lat cell_lon Analysis total profile soil moisture (0 cm to model bedrock depth) 0.8999999762 -9999.000000 -9999.000000 -9999.000000 y x m3 m-3 EASE2_global_projection 0.000000000 sm_profile_analysis /Analysis_Data/sm_profile_analysis cell_lat cell_lon Analysis soil temperature in layer 1 of soil heat diffusion model 340.0000000 -9999.000000 -9999.000000 -9999.000000 y x K EASE2_global_projection 210.0000000 soil_temp_layer1_analysis /Analysis_Data/soil_temp_layer1_analysis cell_lat cell_lon Uncertainty of analysis soil temperature in layer 1 of soil heat diffusion model (ensemble std-dev) 50.00000000 -9999.000000 -9999.000000 -9999.000000 y x K EASE2_global_projection 0.000000000 soil_temp_layer1_analysis_ensstd /Analysis_Data/soil_temp_layer1_analysis_ensstd cell_lat cell_lon Analysis surface temperature 350.0000000 -9999.000000 -9999.000000 -9999.000000 y x K EASE2_global_projection 180.0000000 surface_temp_analysis /Analysis_Data/surface_temp_analysis cell_lat cell_lon The geodetic latitude of the center of each cell in the cylindrical 9 km Earth-fixed EASE-Grid 2.0. Zero latitude represents the Equator. Positive latitudes represent locations North of the Equator. Negative latitudes represent locations South of the Equator. 90.00000000 -9999.000000 -9999.000000 -9999.000000 y x degrees EASE2_global_projection -90.00000000 cell_lat /cell_lat The row index of each cell in the cylindrical 9 km Earth-fixed EASE-Grid 2.0. Type is Unsigned32. 1623 4294967294 4294967294 4294967294 y x dimensionless EASE2_global_projection 0 cell_row /cell_row cell_lat cell_lon The longitude of the center of each cell in the cylindrical 9 km Earth-fixed EASE-Grid 2.0. Zero longitude represents the Prime Meridian. Positive longitudes represent locations to the East of the Prime Meridian. Negative longitudes represent locations to the West of the Prime Meridian. 179.9989929 -9999.000000 -9999.000000 -9999.000000 y x degrees EASE2_global_projection -180.0000000 cell_lon /cell_lon The column index of each cell in the cylindrical 9 km Earth-fixed EASE-Grid 2.0. Type is Unsigned32. 3855 4294967294 4294967294 4294967294 y x dimensionless EASE2_global_projection 0 cell_column /cell_column cell_lat cell_lon Composite resolution observed (L2_SM_AP or L1C_TB) V-pol brightness temperature, represented as the average of fore and aft observations from the SMAP antenna. Observed brightness temperatures that originate from 36 km L1C_TB files are posted at 9 km here for convenience (as average over the fore and aft brightness temperatures, which are stored separately in the L1C_TB product). Output is only stored at times and locations for which input SMAP Level 1 or Level 2 data are ingested. If more than one overpass occurs for a given grid cell within the assimilation time window, output represents average over all overpass times. 350.0000000 -9999.000000 -9999.000000 -9999.000000 y x K EASE2_global_projection 100.0000000 tb_v_obs /Observations_Data/tb_v_obs cell_lat cell_lon Time values as counts of International System (SI) seconds based on the J2000 epoch in Ephemeris Time (ET). The J2000 epoch starting point is January 1, 2000 at 12:00 ET, which translates to January 1, 2000 at 11:58:55.816 Universal Coordinated Time (UTC). Type is Float64. 946000000.00000000 -9999.0000000000000 -9999.0000000000000 -9999.0000000000000 y x s EASE2_global_projection 465156000.00000000 tb_v_obs_time_sec /Observations_Data/tb_v_obs_time_sec cell_lat cell_lon Composite resolution observed (L2_SM_AP or L1C_TB) H-pol brightness temperature, represented as the average of fore and aft observations from the SMAP antenna. Observed brightness temperatures that originate from 36 km L1C_TB files are posted at 9 km here for convenience (as average over the fore and aft brightness temperatures, which are stored separately in the L1C_TB product). Output is only stored at times and locations for which input SMAP Level 1 or Level 2 data are ingested. If more than one overpass occurs for a given grid cell within the assimilation time window, output represents average over all overpass times. 350.0000000 -9999.000000 -9999.000000 -9999.000000 y x K EASE2_global_projection 100.0000000 tb_h_obs /Observations_Data/tb_h_obs cell_lat cell_lon Flag indicating the orbit direction of H-pol brightness temperature composite fields (tb_h_obs, tb_h_forecast, etc.): 0=average over ascending and descending orbits, 1=ascending orbits only, 2=descending orbits only. Type is Unsigned32. 2 4294967294 4294967294 4294967294 y x dimensionless EASE2_global_projection 0 tb_h_orbit_flag /Observations_Data/tb_h_orbit_flag cell_lat cell_lon Flag indicating the effective resolution of H-pol brightness temperature composite fields (tb_h_obs, tb_h_forecast, etc.): 1=36 km, 2=9 km. Type is Unsigned32. Output is only stored at times and locations for which input SMAP Level 1 or Level 2 data are ingested. If more than one overpass occurs for a given grid cell within the assimilation time window, output represents average over all overpass times. 2 4294967294 4294967294 4294967294 y x dimensionless EASE2_global_projection 1 tb_h_resolution_flag /Observations_Data/tb_h_resolution_flag cell_lat cell_lon Observation error std-dev for tb_h_obs_scaled. Observed brightness temperatures that originate from 36 km L1C_TB files are posted at 9 km here for convenience (as average over the fore and aft brightness temperatures, which are stored separately in the L1C_TB product). Output is only stored at times and locations for which input SMAP Level 1 or Level 2 data are ingested. If more than one overpass occurs for a given grid cell within the assimilation time window, output represents average over all overpass times. 50.00000000 -9999.000000 -9999.000000 -9999.000000 y x K EASE2_global_projection 0.000000000 tb_h_obs_errstd /Observations_Data/tb_h_obs_errstd cell_lat cell_lon Flag indicating the orbit direction of V-pol brightness temperature composite fields (tb_v_obs, tb_v_forecast, etc.): 0=average over ascending and descending orbits, 1=ascending orbits only, 2=descending orbits only. Type is Unsigned32. 2 4294967294 4294967294 4294967294 y x dimensionless EASE2_global_projection 0 tb_v_orbit_flag /Observations_Data/tb_v_orbit_flag cell_lat cell_lon Flag indicating the effective resolution of V-pol brightness temperature composite fields (tb_v_obs, tb_v_forecast, etc.): 1=36 km, 2=9 km. Type is Unsigned32. Output is only stored at times and locations for which input SMAP Level 1 or Level 2 data are ingested. If more than one overpass occurs for a given grid cell within the assimilation time window, output represents average over all overpass times. 2 4294967294 4294967294 4294967294 y x dimensionless EASE2_global_projection 1 tb_v_resolution_flag /Observations_Data/tb_v_resolution_flag cell_lat cell_lon Assimilated value after model-based quality control and climatological adjustment (scaling) of tb_v_obs for consistency with the land models seasonally varying mean brightness temperature climatology. Observed brightness temperatures that originate from 36 km L1C_TB files are posted at 9 km here for convenience (as average over the fore and aft brightness temperatures, which are stored separately in the L1C_TB product). Output is only stored at times and locations for which input SMAP Level 1 or Level 2 data are ingested. If more than one overpass occurs for a given grid cell within the assimilation time window, output represents average over all overpass times. 350.0000000 -9999.000000 -9999.000000 -9999.000000 y x K EASE2_global_projection 100.0000000 tb_v_obs_assim /Observations_Data/tb_v_obs_assim cell_lat cell_lon Assimilated value after model-based quality control and climatological adjustment (scaling) of tb_h_obs for consistency with the land models seasonally varying mean brightness temperature climatology. Observed brightness temperatures that originate from 36 km L1C_TB files are posted at 9 km here for convenience (as average over the fore and aft brightness temperatures, which are stored separately in the L1C_TB product). Output is only stored at times and locations for which input SMAP Level 1 or Level 2 data are ingested. If more than one overpass occurs for a given grid cell within the assimilation time window, output represents average over all overpass times. 350.0000000 -9999.000000 -9999.000000 -9999.000000 y x K EASE2_global_projection 100.0000000 tb_h_obs_assim /Observations_Data/tb_h_obs_assim cell_lat cell_lon Time values as counts of International System (SI) seconds based on the J2000 epoch in Ephemeris Time (ET). The J2000 epoch starting point is January 1, 2000 at 12:00 ET, which translates to January 1, 2000 at 11:58:55.816 Universal Coordinated Time (UTC). 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<gco:CharacterString>A Digital Object Identifier (DOI) that provides a persistent interoperable means to locate the SMAP Level 4 Radar data product.</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmd:identifier> </gmd:CI_Citation> </gmd:sourceCitation> </gmi:LE_Source> </gmd:source> <gmd:source> <gmi:LE_Source> <gmd:description> <gco:CharacterString>The SMAP Level 1C Brightness Temperature product, which contains the assimilated SMAP radiometer brightness temperatures on 36 km EASE-Grid 2.0.</gco:CharacterString> </gmd:description> <gmd:sourceCitation> <gmd:CI_Citation> <gmd:title> <gmx:FileName>SMAP_L1C_TB_25806_A_20191201T011603_R17000_001.h5</gmx:FileName> </gmd:title> <gmd:date> <gmd:CI_Date> <gmd:date> <gco:Date>2020-12-05</gco:Date> </gmd:date> <gmd:dateType> <gmd:CI_DateTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" codeListValue="creation">creation</gmd:CI_DateTypeCode> </gmd:dateType> </gmd:CI_Date> 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</gmd:identifier> </gmd:CI_Citation> </gmd:sourceCitation> </gmi:LE_Source> </gmd:source> </gmd:LI_Lineage> </gmd:lineage> </gmd:DQ_DataQuality> </gmd:dataQualityInfo> <gmi:acquisitionInformation> <gmi:MI_AcquisitionInformation> <gmi:platform> <gmi:MI_Platform> <gmi:citation> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>SMAP Handbook</gco:CharacterString> </gmd:title> <gmd:date> <gmd:CI_Date> <gmd:date> <gco:Date>2014-07-01</gco:Date> </gmd:date> <gmd:dateType> <gmd:CI_DateTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" codeListValue="publication">publication</gmd:CI_DateTypeCode> </gmd:dateType> </gmd:CI_Date> </gmd:date> <gmd:edition> <gco:CharacterString>JPL CL#14-2285, JPL 400-1567</gco:CharacterString> </gmd:edition> </gmd:CI_Citation> </gmi:citation> <gmi:identifier> <gmd:MD_Identifier> <gmd:code> <gco:CharacterString>SMAP</gco:CharacterString> </gmd:code> <gmd:codeSpace> <gco:CharacterString>http://smap.jpl.nasa.gov</gco:CharacterString> </gmd:codeSpace> </gmd:MD_Identifier> </gmi:identifier> <gmi:description> <gco:CharacterString>The SMAP observatory houses an L-band radiometer that operates at 1.4 GHz and an L-band radar that operates at 1.26-1.29 GHz. The instruments share a rotating reflector antenna with a 6 meter aperture that scans over a 1000 km swath. The bus is a 3 axis stabilized spacecraft that provides momentum compensation for the rotating antenna.</gco:CharacterString> </gmi:description> <gmi:instrument> <gmi:MI_Instrument> <gmi:citation> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>SMAP Handbook</gco:CharacterString> </gmd:title> <gmd:date> <gmd:CI_Date> <gmd:date> <gco:Date>2014-07-01</gco:Date> </gmd:date> <gmd:dateType> <gmd:CI_DateTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" codeListValue="publication">publication</gmd:CI_DateTypeCode> </gmd:dateType> </gmd:CI_Date> </gmd:date> <gmd:edition> <gco:CharacterString>JPL CL#14-2285, JPL 400-1567</gco:CharacterString> </gmd:edition> </gmd:CI_Citation> </gmi:citation> <gmi:identifier> <gmd:MD_Identifier> <gmd:code> <gco:CharacterString>SMAP SAR</gco:CharacterString> </gmd:code> </gmd:MD_Identifier> </gmi:identifier> <gmi:type> <gco:CharacterString>L-band Synthetic Aperture Radar</gco:CharacterString> </gmi:type> <gmi:description> <gco:CharacterString>The SMAP radar instrument employs an L-band conically scanned system and SAR processing techniques to achieve moderate resolution (1 km) backscatter measurements over a very wide 1000 km swath.</gco:CharacterString> </gmi:description> </gmi:MI_Instrument> </gmi:instrument> <gmi:instrument> <gmi:MI_Instrument> <gmi:citation> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>SMAP Handbook</gco:CharacterString> </gmd:title> <gmd:date> <gmd:CI_Date> <gmd:date> <gco:Date>2014-07-01</gco:Date> </gmd:date> <gmd:dateType> <gmd:CI_DateTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" codeListValue="publication">publication</gmd:CI_DateTypeCode> </gmd:dateType> </gmd:CI_Date> </gmd:date> <gmd:edition> <gco:CharacterString>JPL CL#14-2285, JPL 400-1567</gco:CharacterString> </gmd:edition> </gmd:CI_Citation> </gmi:citation> <gmi:identifier> <gmd:MD_Identifier> <gmd:code> <gco:CharacterString>SMAP RAD</gco:CharacterString> </gmd:code> </gmd:MD_Identifier> </gmi:identifier> <gmi:type> <gco:CharacterString>L-band Radiometer</gco:CharacterString> </gmi:type> <gmi:description> <gco:CharacterString>The SMAP L-band Radiometer records V-pol, H-pol, 3rd and 4th Stokes brightness temperatures at 40 km resolution at 4.3 Megabits per second with accuracies of 1.3 Kelvin or better.</gco:CharacterString> </gmi:description> </gmi:MI_Instrument> </gmi:instrument> </gmi:MI_Platform> </gmi:platform> </gmi:MI_AcquisitionInformation> </gmi:acquisitionInformation> </gmi:MI_Metadata> </gmd:has> </gmd:DS_DataSet> </gmd:composedOf> <gmd:seriesMetadata gco:nilReason="missing"/> </gmd:DS_Series> <?xml version="1.0" encoding="UTF-8"?> <gmd:DS_Series xmlns:gmi="http://www.isotc211.org/2005/gmi" xmlns:gco="http://www.isotc211.org/2005/gco" xmlns:gmd="http://www.isotc211.org/2005/gmd" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:gmx="http://www.isotc211.org/2005/gmx" xmlns:gss="http://www.isotc211.org/2005/gss" xmlns:gsr="http://www.isotc211.org/2005/gsr" xmlns:gts="http://www.isotc211.org/2005/gts" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:srv="http://www.isotc211.org/2005/srv" xmlns:eos="http://earthdata.nasa.gov/schema/eos" xsi:schemaLocation="http://www.isotc211.org/2005/gmi http://cdn.earthdata.nasa.gov/iso/schema/1.0/ISO19115-2_EOS.xsd"> <gmd:composedOf gco:nilReason="inapplicable"/> <gmd:seriesMetadata> <gmi:MI_Metadata> <gmd:fileIdentifier> <gmx:FileName>L4_SM_aup</gmx:FileName> </gmd:fileIdentifier> <gmd:language> <gco:CharacterString>eng</gco:CharacterString> </gmd:language> <gmd:characterSet> <gmd:MD_CharacterSetCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_CharacterSetCode" codeListValue="utf8">utf8</gmd:MD_CharacterSetCode> </gmd:characterSet> <gmd:hierarchyLevel> <gmd:MD_ScopeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_ScopeCode" codeListValue="series">series</gmd:MD_ScopeCode> </gmd:hierarchyLevel> <gmd:contact> <gmd:CI_ResponsibleParty> <gmd:organisationName> <gco:CharacterString>NSIDC DAAC &gt; National Snow and Ice Data Center DAAC</gco:CharacterString> </gmd:organisationName> <gmd:contactInfo> <gmd:CI_Contact> <gmd:address> <gmd:CI_Address> <gmd:electronicMailAddress> <gco:CharacterString>nsidc@nsidc.org</gco:CharacterString> </gmd:electronicMailAddress> </gmd:CI_Address> </gmd:address> <gmd:onlineResource> <gmd:CI_OnlineResource> <gmd:linkage> <gmd:URL>http://nsidc.org/daac/</gmd:URL> </gmd:linkage> </gmd:CI_OnlineResource> </gmd:onlineResource> </gmd:CI_Contact> </gmd:contactInfo> <gmd:role> <gmd:CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="pointOfContact">pointOfContact</gmd:CI_RoleCode> </gmd:role> </gmd:CI_ResponsibleParty> </gmd:contact> <gmd:dateStamp> <gco:Date>2022-06-20</gco:Date> </gmd:dateStamp> <gmd:metadataStandardName> <gco:CharacterString>ISO 19115-2 Geographic information - Metadata - Part 2: Extensions for imagery and gridded data</gco:CharacterString> </gmd:metadataStandardName> <gmd:metadataStandardVersion> <gco:CharacterString>ISO 19115-2:2009-02-15</gco:CharacterString> </gmd:metadataStandardVersion> <gmd:identificationInfo> <gmd:MD_DataIdentification> <gmd:citation> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>SMAP L4 Global 3-hourly 9 km Surface and Rootzone Soil Moisture Analysis Update</gco:CharacterString> </gmd:title> <gmd:date> <gmd:CI_Date> <gmd:date> <gco:Date>2022-06-20</gco:Date> </gmd:date> <gmd:dateType> <gmd:CI_DateTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" codeListValue="revision">revision</gmd:CI_DateTypeCode> </gmd:dateType> </gmd:CI_Date> </gmd:date> <gmd:edition> <gco:CharacterString>Vv7032</gco:CharacterString> </gmd:edition> <gmd:identifier> <gmd:MD_Identifier> <gmd:code> <gco:CharacterString>SPL4SMAU</gco:CharacterString> </gmd:code> <gmd:codeSpace> <gco:CharacterString>http://gmao.gsfc.nasa.gov</gco:CharacterString> </gmd:codeSpace> <gmd:description> <gco:CharacterString>The ECS Short Name</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmd:identifier> <gmd:identifier> <gmd:MD_Identifier> <gmd:code> <gco:CharacterString>007</gco:CharacterString> </gmd:code> <gmd:codeSpace> <gco:CharacterString>gov.nasa.esdis</gco:CharacterString> </gmd:codeSpace> <gmd:description> <gco:CharacterString>The ECS Version ID</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmd:identifier> <gmd:identifier> <gmd:MD_Identifier> <gmd:code> <gmx:Anchor xlink:actuate="onRequest" xlink:href="http://dx.doi.org/10.5067/LWJ6TF5SZRG3">doi:10.5067/LWJ6TF5SZRG3</gmx:Anchor> </gmd:code> <gmd:codeSpace> <gco:CharacterString>gov.nasa.esdis</gco:CharacterString> </gmd:codeSpace> <gmd:description> <gco:CharacterString>A Digital Object Identifier (DOI) that provides a persistent interoperable means to locate the SMAP Level 4 Radar data product.</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmd:identifier> <gmd:citedResponsibleParty> <gmd:CI_ResponsibleParty> <gmd:organisationName> <gco:CharacterString>National Aeronautics and Space Administration</gco:CharacterString> </gmd:organisationName> <gmd:role> <gmd:CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="resourceProvider">resourceProvider</gmd:CI_RoleCode> </gmd:role> </gmd:CI_ResponsibleParty> </gmd:citedResponsibleParty> <gmd:citedResponsibleParty> <gmd:CI_ResponsibleParty> <gmd:organisationName> <gco:CharacterString>Global Modeling and Assimilation Office</gco:CharacterString> </gmd:organisationName> <gmd:role> <gmd:CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="originator">originator</gmd:CI_RoleCode> </gmd:role> </gmd:CI_ResponsibleParty> </gmd:citedResponsibleParty> <gmd:presentationForm> <gmd:CI_PresentationFormCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_PresentationFormCode" codeListValue="documentDigital">documentDigital</gmd:CI_PresentationFormCode> </gmd:presentationForm> <gmd:series> <gmd:CI_Series> <gmd:name> <gco:CharacterString>L4_SM</gco:CharacterString> </gmd:name> </gmd:CI_Series> </gmd:series> <gmd:otherCitationDetails> <gco:CharacterString>The Version-7 Release of the SMAP Level 4 Science Processing Software.</gco:CharacterString> </gmd:otherCitationDetails> </gmd:CI_Citation> </gmd:citation> <gmd:abstract> <gco:CharacterString>The SMAP L4_SM data product provides global, 3-hourly surface and root zone soil moisture at 9 km resolution. 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The L4_SM data product consists of three Collections: geophysical, analysis update and land-model-constants.</gco:CharacterString> </gmd:abstract> <gmd:language> <gco:CharacterString>eng</gco:CharacterString> </gmd:language> </gmd:MD_DataIdentification> </gmd:identificationInfo> </gmi:MI_Metadata> </gmd:seriesMetadata> </gmd:DS_Series> /Metadata The SMAP Level 1C Brightness Temperature product, which contains the assimilated SMAP radiometer brightness temperatures on 36 km EASE-Grid 2.0. SPL1CTB SMAP_L1C_TB_25804_A_20191130T215908_R17000_001.h5 SMAP_L1C_TB_25804_D_20191130T224822_R17000_001.h5 SMAP_L1C_TB_25805_A_20191130T233737_R17000_001.h5 SMAP_L1C_TB_25805_D_20191201T002652_R17000_001.h5 SMAP_L1C_TB_25806_A_20191201T011603_R17000_001.h5 2020-12-05 2020-12-05 2020-12-05 2020-12-05 2020-12-05 R17000 R17000 R17000 R17000 R17000 doi:10.5067/JJ5FL7FRLKJI doi:10.5067/JJ5FL7FRLKJI doi:10.5067/JJ5FL7FRLKJI doi:10.5067/JJ5FL7FRLKJI doi:10.5067/JJ5FL7FRLKJI /Metadata/Source/L1C_TB 13.00000000 SMAP The SMAP observatory houses an L-band radiometer that operates at 1.4 GHz and an L-band radar that operates at 1.26-1.29 GHz. The instruments share a rotating reflector antenna with a 6 meter aperture that scans over a 1000 km swath. The bus is a 3 axis stabilized spacecraft that provides momentum compensation for the rotating antenna. /Metadata/AcquisitionInformation/platform 2014-07-01 JPL CL#14-2285, JPL 400-1567 SMAP Handbook /Metadata/AcquisitionInformation/platformDocument 2014-07-01 JPL CL#14-2285, JPL 400-1567 SMAP Handbook /Metadata/AcquisitionInformation/radarDocument The SMAP radar instrument employs an L-band conically scanned system and SAR processing techniques to achieve moderate resolution (1 km) backscatter measurements over a very wide 1000 km swath. SMAP SAR L-band Synthetic Aperture Radar /Metadata/AcquisitionInformation/radar 2014-07-01 JPL CL#14-2285, JPL 400-1567 SMAP Handbook /Metadata/AcquisitionInformation/radiometerDocument The SMAP L-band Radiometer records V-pol, H-pol, 3rd and 4th Stokes brightness temperatures at 40 km resolution at 4.3 Megabits per second with accuracies of 1.3 Kelvin or better. SMAP RAD L-band Radiometer /Metadata/AcquisitionInformation/radiometer tb_h_forecast /Metadata/DataQuality/TBH directInternal Percent of geophysical data that fall within a predefined acceptable range of measure. Percent of geophysical data that are within the acceptable range. 100 Percent /Metadata/DataQuality/TBH/DomainConsistency directInternal Percent of land grid cells (excluding inland water and permanent ice) that lack H-polarized model forecast Tb data relative to the total number of land grid cells that fall within the global domain (excluding inland water and permanent ice). Model forecast Tb is only computed where SMAP Tb observations are ingested. Percent of Missing Data 96.29840088 Percent /Metadata/DataQuality/TBH/CompletenessOmission tb_v_forecast /Metadata/DataQuality/TBV directInternal Percent of geophysical data that fall within a predefined acceptable range of measure. Percent of geophysical data that are within the acceptable range. 100 Percent /Metadata/DataQuality/TBV/DomainConsistency directInternal Percent of land grid cells (excluding inland water and permanent ice) that lack V-polarized model forecast Tb data relative to the total number of land grid cells that fall within the global domain (excluding inland water and permanent ice). Model forecast Tb is only computed where SMAP Tb observations are ingested. Percent of Missing Data 96.30106354 Percent /Metadata/DataQuality/TBV/CompletenessOmission 10.5067/LWJ6TF5SZRG3 SPL4SMAU SMAP utf8 National Aeronautics and Space Administration Three-character string that identifies the type of ECS data stream and reflects the major science version of the product. eng Version 1.10.4 Soil Moisture Active Passive Mission Level 4 Surface and Root Zone Soil Moisture (L4_SM) Product Specification Document geoscientificInformation 007 The SMAP L4_SM data product provides global, 3-hourly surface and root zone soil moisture at 9 km resolution. The L4_SM data product consists of three Collections: geophysical, analysis update and land-model-constants. Vv7032 onGoing 1.6 2022-06-20 The software that generates the L4_SM data product and the data system that automates its production were designed and implemented at the NASA Global Modeling and Assimilation Office, Goddard Space Flight Center, Greenbelt, Maryland, USA. The SMAP L4_SM data product provides spatially and temporally complete surface and root zone soil moisture information for science and applications users. HDF5 SMAP L4 Global 3-hourly 9 km Surface and Rootzone Soil Moisture Analysis Update As Needed 2022-09-01 National Snow and Ice Data Center, Boulder, Colorado, USA. Vv70320006 2023-06-20 L4_SM /Metadata/SeriesIdentification SPL4SMAU utf8 An ASCII product that contains statistical information on data product results. These statistics enable data producers and users to assess the quality of the data in the data product granule. Three-character string that identifies the type of ECS data stream and reflects the major science version of the product. 6F6962E4-0A6E-11ED-AA91-9C47970ED40E eng SMAP_L4_SM_aup_20191201T000000_Vv7032_001.qa geoscientificInformation 007 The SMAP L4_SM data product provides global, 3-hourly surface and root zone soil moisture at 9 km resolution. The L4_SM data product consists of three Collections: geophysical, analysis update and land-model-constants. 2022-07-23T10:01:34.000Z Vv7032 onGoing 2022-07-23T10:01:34.000Z The software that generates the L4_SM data product and the data system that automates its production were designed and implemented at the NASA Global Modeling and Assimilation Office, Goddard Space Flight Center, Greenbelt, Maryland, USA. The SMAP L4_SM data product provides spatially and temporally complete surface and root zone soil moisture information for science and applications users. SMAP_L4_SM_aup_20191201T000000_Vv7032_001.h5 SMAP L4 Global 3-hourly 9 km Surface and Rootzone Soil Moisture Analysis Update Vv70320006 NASA Global Modeling and Assimilation Office, Goddard Space Flight Center, Greenbelt, Maryland, USA L4_SM_aup /Metadata/DatasetIdentification Global land excluding inland water and permanent ice. -180.0000000 180.0000000 -85.04456329 85.04456329 2019-11-30T22:30:00.000Z 2019-12-01T01:30:00.000Z /Metadata/Extent R17000 10.5067/LWJ6TF5SZRG3 /Metadata/CRID/AUP RTMParam_SMAP_L4SM_v005 x86_64 #1 SMP Tue Jul 9 19:57:20 UTC 2019 (1569ffb) 4.4.180-94.100-default gcc R005 v17.11.1 Version 1.10.4 R005 0 L4SM_v014 GEOSldas-SMAP_L4_OPS-R17_3s+opt Linux R001 Vv7032 R004 impi R011 jardizzo-SMAP_L4_SM-meta_R003 GNU/Linux Vv70320006 v17.11.1 Icarus-NLv5_EASE /Metadata/CRID/Root TBD Vv7032 /discover/nobackup/projects/gmao/smap/SMAP_L4/SMAP/OPS/L1C_TB /discover/nobackup/projects/gmao/smap/Operations/SPL4SM/SPL4SM_Vv7032/runModel/output/SMAP_EASEv2_M09_GLOBAL/rs scp://dao_ops@polar.gsfc.nasa.gov Revision-A /discover/nobackup/projects/gmao/smap/Operations/SPL4SM/SPL4SM_Vv7032/runModel/rip 10.5067/LWJ6TF5SZRG3 Pentad climatology used for percentile calculation Initial version RTMParam_SMAP_L4SM_v005 /discover/nobackup/projects/gmao/smap/SMAP_L4/L4_SM/Vv7032/obs2html 1.6 2022-06-15 SMAP L2 Soil Moisture Active/Passive /discover/nobackup/projects/gmao/smap/SMAP_L4/L4_SM/scaling/SMAP_L1C_Tb_pentad/L4SM_v014 2022-09-01 /discover/nobackup/projects/gmao/smap/SMAP_L4/L4_SM/bcs/RTM_params/RTMParam_SMAP_L4SM_v005 /discover/nobackup/projects/gmao/smap/Operations/SPL4SM/SPL4SM_Vv7032 /discover/nobackup/projects/gmao/smap/Operations/SPL4SM/SPL4SM_Vv7032/runModel/rip /discover/nobackup/projects/gmao/smap/SMAP_L4/L4_SM/Vv7032/browse scp://dao_ops@polar.gsfc.nasa.gov 10.5067/EVKPQZ4AFC4D R005 Initial version /discover/nobackup/projects/gmao/smap/SMAP_L4/L4_SM/climatology/L4SM_v010 Initial version Initial version Initial version /discover/nobackup/projects/gmao/smap/SMAP_L4/GEOS/FP v17.11.1 Initial version CPCU/IMERG Corrected Precipitation LDAS Main Driver Inputs 2014-12-09 /discover/nobackup/projects/gmao/smap/SMAP_L4/SMAP/OPS/L2_SM_A rproc Initial version Catchment Bias Inputs 2014-12-09 007 R005 SPL4SM_Vv7032 /discover/nobackup/projects/gmao/smap/Operations/SPL4SM/SPL4SM_Vv7032/runModel/output/SMAP_EASEv2_M09_GLOBAL L4SM_v014 GEOSldas-SMAP_L4_OPS-R17_3s+opt SMAP_GMAO 10.5067/KN96XNPZM4EG R001 /discover/nobackup/projects/gmao/smap/Operations/SPL4SM/SPL4SM_Vv7032/runModel/rip /discover/nobackup/projects/gmao/smap/SMAP_L4/L4_SM/Vv7032/browse Initial version R004 2023-06-20 R011 /discover/nobackup/projects/gmao/smap/Operations/SPL4SM/SPL4SM_Vv7032/runModel/rip Soil Moisture Active Passive (SMAP) Level 4 Surface and Root Zone Soil Moisture (L4_SM) Algorithm Theoretical Basis Document (ATBD) R17000 Initial version /discover/nobackup/projects/gmao/smap/SMAP_L4/L4_SM/Vv7032/quads /discover/nobackup/projects/gmao/smap/SMAP_L4/GEOS/FP/GEOS.fp.asm/diag /discover/nobackup/projects/gmao/smap/SMAP_L4/L4_SM/Vv7032/quads R17000 /discover/nobackup/projects/gmao/smap/SMAP_L4/smap_blacklist.csv /san_extranet/collab/SMAP/monitoring/l4sm_ods/Vv7032 TBD /discover/nobackup/projects/gmao/smap/SMAP_L4/GEOS/FP/precip_corr_CPCU_IMGFinal_IMGFclim_G5FP/GEOS.fp.asm/diag Initial version Initial version SMAP L2 Soil Moisture Active TBD /san_extranet/collab/SMAP/browse/l4sm/Vv7032 SMAP Level-4 Soil Moisture Metadata Version GEOS Forward Processing /discover/nobackup/projects/gmao/smap/SMAP_L4/SMAP/OPS/L2_SM_AP Initial version R17000 GEOS.fp.asm__precCPCU_IMGFinal_IMGFclim_G5FP Initial version scp://dao_ops@polar.gsfc.nasa.gov SMAP L1C Brightness Temperatures Initial version /san_extranet/collab/SMAP/monitoring/l4sm_quads/Vv7032 007 Initial version SMAP Level-4 Operational System /discover/nobackup/projects/gmao/smap/SMAP_L4/L4_SM/Vv7032/obs EnKF Inputs for Land EnKF Update jardizzo-SMAP_L4_SM-meta_R003 TBD /discover/nobackup/projects/gmao/smap/Operations/SPL4SM/SPL4SM_Vv7032/runModel/rip EnKF Inputs rproc Initial version /discover/nobackup/projects/gmao/smap/SMAP_L4/L4_SM/bcs/CLSM_params/Icarus-NLv5_EASE Batch Job v17.11.1 L4SM_v010 2022-06-20 CPCU_IMGFinal_IMGFclim_G5FP /discover/nobackup/projects/gmao/smap/SMAP_L4/L4_SM/Vv7032/obs2html Icarus-NLv5_EASE TBD GEOS.fp.asm Revision-A Vv70320001 /Metadata/Config 1624 9 km on average /Metadata/GridSpatialRepresentation/Latitude 3856 9 km on average /Metadata/GridSpatialRepresentation/Longitude 2000-01-01T11:58:55.816Z Assimilates Level 1 and Level 2 SMAP data into a global land surface model to generate spatially complete and temporally continuous estimates of soil moisture and associated land surface conditions. 2022-07-23T10:01:34.000Z Soil Moisture Active Passive (SMAP) Level 4 Surface and Root Zone Soil Moisture (L4_SM) Algorithm Theoretical Basis Document (ATBD) v17.11.1 Level 4 Surface and Root Zone Soil Moisture SPS L4_SM_SPS Revision-A 2022-06-15 2014-12-09 v17.11.1 The L4_SM algorithm is a customized, off-line (land-only) version of the ensemble-based NASA GEOS-5 land data assimilation system. It merges SMAP observations with estimates from a land surface model that is driven with observations-based precipitation forcing. Soil Moisture Active Passive (SMAP) Level 4 Surface and Root Zone Soil Moisture (L4_SM) Algorithm Theoretical Basis Document (ATBD) 2451545.000 J2000 2014-12-09 Soil Moisture Active Passive (SMAP) Mission Science Data System (SDS) Operations Facility Revision-A /Metadata/ProcessStep