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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 Instruments Temporal Extent Version Data State Data Format Related Topics
SMAP L2 Radiometer Half-Orbit 36 km EASE-Grid Soil Moisture V009 SMAP L-BAND RADIOMETER 2015-03-31 to Present 009 ACTIVE HDF5 Brightness Temperature, Surface Soil Moisture
SMAP L3 Radar Global Daily 3 km EASE-Grid Soil Moisture V003 SMAP L-BAND RADAR 2015-04-13 to 2015-07-07 003 COMPLETE HDF5 SIGMA NAUGHT, Soil Moisture/Water Content
SMAP L3 Radar Northern Hemisphere Daily 3 km EASE-Grid Freeze/Thaw State V003 SMAP L-BAND RADAR 2015-04-13 to 2015-07-07 003 COMPLETE HDF5 Freeze/Thaw, SIGMA NAUGHT, Transition Direction
SMAP L3 Radar/Radiometer Global Daily 9 km EASE-Grid Soil Moisture V003 SMAP L-BAND RADAR, SMAP L-BAND RADIOMETER 2015-04-13 to 2015-07-07 003 COMPLETE HDF5 Brightness Temperature, SIGMA NAUGHT, Soil Moisture/Water Content
SMAP L3 Radiometer Global and Northern Hemisphere Daily 36 km EASE-Grid Freeze/Thaw State V004 SMAP L-BAND RADIOMETER 2015-03-31 to Present 004 ACTIVE HDF5 Transition Direction
SMAP L3 Radiometer Global Daily 36 km EASE-Grid Soil Moisture V009 SMAP L-BAND RADIOMETER 2015-03-31 to Present 009 ACTIVE HDF5 Brightness Temperature, 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 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 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 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)
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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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