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SMAP Data Access and Tools

NASA's Soil Moisture Active Passive (SMAP) data products include information about soil moisture and freeze thaw state. Additional Level 4 value-added products are available. Data tools such as Vertex and Earthdata Search enable users to discover and download data.

Datasets

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Dataset Instrument Temporal Extent Version Data State Data Format Science Keywords
SMAP L4 Global 3-hourly 9 km EASE-Grid Surface and Root Zone Soil Moisture Analysis Update V005 NOT APPLICABLE, SMAP L-BAND RADIOMETER 2015-03-31 to 2021-12-06 005 DEPRECATED HDF5 Surface Soil Moisture
SMAP L4 Global 3-hourly 9 km EASE-Grid Surface and Root Zone Soil Moisture Analysis Update V006 NOT APPLICABLE, SMAP L-BAND RADIOMETER 2015-03-31 to 2022-11-14 006 DEPRECATED HDF5 Surface Soil Moisture
SMAP L4 Global 3-hourly 9 km EASE-Grid Surface and Root Zone Soil Moisture Analysis Update V007 NOT APPLICABLE, SMAP L-BAND RADIOMETER 2015-03-31 to 2025-07-03 007 DEPRECATED HDF5 Root Zone Soil Moisture, Surface Soil Moisture
SMAP L4 Global 3-hourly 9 km EASE-Grid Surface and Root Zone Soil Moisture Analysis Update V008 NOT APPLICABLE, SMAP L-BAND RADIOMETER 2015-03-31 to Present 008 ACTIVE HDF5 Root Zone Soil Moisture, Surface Soil Moisture
SMAP L4 Global 3-hourly 9 km EASE-Grid Surface and Root Zone Soil Moisture Geophysical Data V004 SMAP L-BAND RADIOMETER 2015-03-31 to 2020-08-27 004 DEPRECATED HDF5 Surface Soil Moisture
SMAP L4 Global 3-hourly 9 km EASE-Grid Surface and Root Zone Soil Moisture Geophysical Data V005 NOT APPLICABLE, SMAP L-BAND RADIOMETER 2015-03-31 to 2021-12-06 005 DEPRECATED HDF5 Surface Soil Moisture
SMAP L4 Global 3-hourly 9 km EASE-Grid Surface and Root Zone Soil Moisture Geophysical Data V006 NOT APPLICABLE, SMAP L-BAND RADIOMETER 2015-03-31 to 2022-11-14 006 DEPRECATED HDF5 Surface Soil Moisture
SMAP L4 Global 3-hourly 9 km EASE-Grid Surface and Root Zone Soil Moisture Geophysical Data V007 NOT APPLICABLE, SMAP L-BAND RADIOMETER 2015-03-31 to 2025-07-03 007 DEPRECATED HDF5 Root Zone Soil Moisture, Surface Soil Moisture
SMAP L4 Global 3-hourly 9 km EASE-Grid Surface and Root Zone Soil Moisture Geophysical Data V008 NOT APPLICABLE, SMAP L-BAND RADIOMETER 2015-03-31 to Present 008 ACTIVE HDF5 Root Zone Soil Moisture, Surface Soil Moisture
SMAP L4 Global 9 km EASE-Grid Surface and Root Zone Soil Moisture Land Model Constants V004 SMAP L-BAND RADIOMETER 2015-03-31 to 2020-08-27 004 DEPRECATED HDF5 Terrain Elevation
SMAP L4 Global 9 km EASE-Grid Surface and Root Zone Soil Moisture Land Model Constants V005 NOT APPLICABLE, SMAP L-BAND RADIOMETER 2015-03-31 to 2021-01-01 005 DEPRECATED HDF5 Terrain Elevation
SMAP L4 Global 9 km EASE-Grid Surface and Root Zone Soil Moisture Land Model Constants V006 NOT APPLICABLE, SMAP L-BAND RADIOMETER 2015-03-31 to 2022-11-13 006 DEPRECATED HDF5 Terrain Elevation
SMAP L4 Global 9 km EASE-Grid Surface and Root Zone Soil Moisture Land Model Constants V007 NOT APPLICABLE, SMAP L-BAND RADIOMETER 2015-03-31 to 2021-01-01 007 DEPRECATED HDF5 Soil Classification, Soil Depth, Soil Porosity, Soil Texture, Terrain Elevation
SMAP L4 Global 9 km EASE-Grid Surface and Root Zone Soil Moisture Land Model Constants V008 NOT APPLICABLE, SMAP L-BAND RADIOMETER 2015-03-31 to Present 008 ACTIVE HDF5 Soil Classification, Soil Depth, Soil Porosity, Soil Texture, Terrain Elevation
SMAP L4 Global Daily 9 km Carbon Net Ecosystem Exchange V001 MODIS, SMAP L-BAND RADAR, VIIRS 2015-04-13 to 2016-04-21 001 DEPRECATED HDF5, HDF5 Gross Primary Production (gpp), Heterotrophic Respiration (rh), NET ECOSYSTEM CO2 EXCHANGE (NEE), Soil Organic Carbon (SOC)
SMAP L4 Global Daily 9 km Carbon Net Ecosystem Exchange V002 MODIS, SMAP L-BAND RADAR, VIIRS 2015-03-31 to 2017-07-11 002 DEPRECATED HDF5, HDF5 Gross Primary Production (gpp), Heterotrophic Respiration (rh), NET ECOSYSTEM CO2 EXCHANGE (NEE), Soil Organic Carbon (SOC)
SMAP L4 Global Daily 9 km Carbon Net Ecosystem Exchange V003 MODIS, SMAP L-BAND RADAR, VIIRS 2015-03-31 to 2018-06-04 003 DEPRECATED HDF5 Gross Primary Production (gpp), Heterotrophic Respiration (rh), NET ECOSYSTEM CO2 EXCHANGE (NEE), Soil Organic Carbon (SOC)
SMAP L4 Global Daily 9 km EASE-Grid Carbon Net Ecosystem Exchange V004 MODIS, SMAP L-BAND RADIOMETER, VIIRS 2015-03-31 to 2020-08-26 004 DEPRECATED HDF5 Soil Organic Carbon (SOC)
SMAP L4 Global Daily 9 km EASE-Grid Carbon Net Ecosystem Exchange V005 MODIS, NOT APPLICABLE, SMAP L-BAND RADIOMETER, VIIRS 2015-03-31 to 2021-12-02 005 DEPRECATED HDF5 Soil Organic Carbon (SOC)
SMAP L4 Global Daily 9 km EASE-Grid Carbon Net Ecosystem Exchange V006 MODIS, NOT APPLICABLE, SMAP L-BAND RADIOMETER, VIIRS 2015-03-31 to 2022-11-08 006 DEPRECATED HDF5 Soil Organic Carbon (SOC)
SMAP L4 Global Daily 9 km EASE-Grid Carbon Net Ecosystem Exchange V007 MODIS, NOT APPLICABLE, SMAP L-BAND RADIOMETER, VIIRS 2015-03-31 to 2025-06-25 007 DEPRECATED HDF5 Gross Primary Production (gpp), Heterotrophic Respiration (rh), NET ECOSYSTEM CO2 EXCHANGE (NEE), Soil Organic Carbon (SOC)
SMAP L4 Global Daily 9 km EASE-Grid Carbon Net Ecosystem Exchange V008 MODIS, NOT APPLICABLE, SMAP L-BAND RADIOMETER, VIIRS 2015-03-31 to Present 008 ACTIVE HDF5 Gross Primary Production (gpp), Heterotrophic Respiration (rh), NET ECOSYSTEM CO2 EXCHANGE (NEE), Soil Organic Carbon (SOC)
SMAP Level 1A Radar Telemetry Product (Version 1) SAR 2015-02-12 to 2021-11-04 1 COMPLETE Soil Moisture/Water Content, ORBITAL CHARACTERISTICS, RADAR IMAGERY, SIGMA NAUGHT
SMAP Level 1A Radar Telemetry Product (Version 2) SAR 2015-02-12 to 2021-11-04 2 COMPLETE ORBITAL CHARACTERISTICS, ORBITAL CHARACTERISTICS, RADAR IMAGERY, RADAR IMAGERY, SIGMA NAUGHT, SIGMA NAUGHT
SMAP Level 1B Low Resolution Radar Sigma Naught Time Order Product (Version 1) SAR 2015-02-12 to 2015-07-07 1 COMPLETE Soil Moisture/Water Content, ORBITAL CHARACTERISTICS, RADAR IMAGERY, SIGMA NAUGHT
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SMAP Data Tools

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Tool Description Services
HiTIDE Use HiTIDE to subset and download popular Level 2 (swath) datasets. Search and Discovery, Subsetting, Downloading
SOTO State of the Ocean (SOTO) is an interactive web-based tool that generates informative maps, animations, and plots that communicate and prove the discovery and analysis of the state of the oceans. Analysis, Search and Discovery, Visualization
Worldview Worldview offers the capability to interactively browse over 1,200 global, full-resolution satellite imagery layers and download the underlying data. Analysis, Search and Discovery, Visualization, Access, Comparison, Monitoring Natural Events
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