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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_L1B_SIGMA_NAUGHT_LOW_RES_METADATA_V001 SAR 2015-02-12 to 2015-07-07 1 COMPLETE Soil Moisture/Water Content, ORBITAL CHARACTERISTICS, RADAR IMAGERY, SIGMA NAUGHT
SMAP_L1B_SIGMA_NAUGHT_LOW_RES_METADATA_V002 SAR 2015-02-12 to 2015-07-07 2 COMPLETE ORBITAL CHARACTERISTICS, ORBITAL CHARACTERISTICS, RADAR IMAGERY, RADAR IMAGERY, SIGMA NAUGHT, SIGMA NAUGHT
SMAP_L1B_SIGMA_NAUGHT_LOW_RES_METADATA_V003 SAR 2015-02-12 to 2015-07-08 3 COMPLETE ORBITAL CHARACTERISTICS, RADAR IMAGERY, SIGMA NAUGHT
SMAP_L1B_SIGMA_NAUGHT_LOW_RES_QA_V001 SAR 2015-02-12 to 2015-07-07 1 COMPLETE Soil Moisture/Water Content, ORBITAL CHARACTERISTICS, RADAR IMAGERY, SIGMA NAUGHT
SMAP_L1B_SIGMA_NAUGHT_LOW_RES_QA_V002 SAR 2015-02-12 to 2015-07-07 2 COMPLETE ORBITAL CHARACTERISTICS, ORBITAL CHARACTERISTICS, RADAR IMAGERY, RADAR IMAGERY, SIGMA NAUGHT, SIGMA NAUGHT
SMAP_L1B_SIGMA_NAUGHT_LOW_RES_QA_V003 SAR 2015-02-12 to 2015-07-08 3 COMPLETE ORBITAL CHARACTERISTICS, RADAR IMAGERY, SIGMA NAUGHT
SMAP_L1C_SIGMA_NAUGHT_HIGH_RES_METADATA_V001 SAR 2015-02-12 to 2015-07-07 1 COMPLETE Soil Moisture/Water Content, ORBITAL CHARACTERISTICS, RADAR IMAGERY, SIGMA NAUGHT
SMAP_L1C_SIGMA_NAUGHT_HIGH_RES_METADATA_V002 SAR 2015-02-12 to 2015-07-07 2 COMPLETE ORBITAL CHARACTERISTICS, ORBITAL CHARACTERISTICS, RADAR IMAGERY, RADAR IMAGERY, SIGMA NAUGHT, SIGMA NAUGHT
SMAP_L1C_SIGMA_NAUGHT_HIGH_RES_METADATA_V003 SAR 2015-02-12 to 2015-07-08 3 COMPLETE ORBITAL CHARACTERISTICS, RADAR IMAGERY, SIGMA NAUGHT
SMAP_L1C_SIGMA_NAUGHT_HIGH_RES_QA_V001 SAR 2015-02-12 to 2015-07-07 1 COMPLETE Soil Moisture/Water Content, ORBITAL CHARACTERISTICS, RADAR IMAGERY, SIGMA NAUGHT
SMAP_L1C_SIGMA_NAUGHT_HIGH_RES_QA_V002 SAR 2015-02-12 to 2015-07-07 2 COMPLETE ORBITAL CHARACTERISTICS, ORBITAL CHARACTERISTICS, RADAR IMAGERY, RADAR IMAGERY, SIGMA NAUGHT, SIGMA NAUGHT
SMAP_L1C_SIGMA_NAUGHT_HIGH_RES_QA_V003 SAR 2015-02-12 to 2015-07-08 3 COMPLETE ORBITAL CHARACTERISTICS, RADAR IMAGERY, SIGMA NAUGHT
SMAP/Sentinel-1 L2 Radiometer/Radar 30-Second Scene 3 km EASE-Grid Soil Moisture V002 C-SAR, SMAP L-BAND RADIOMETER 2015-03-31 to 2020-08-26 002 DEPRECATED HDF5 Soil Moisture/Water Content
SMAP/Sentinel-1 L2 Radiometer/Radar 30-Second Scene 3 km EASE-Grid Soil Moisture V003 SMAP L-BAND RADIOMETER, C-SAR 2015-03-31 to Present 003 ACTIVE HDF5 Brightness Temperature, SIGMA NAUGHT, Surface Soil Moisture
SMAP/SMOS L3 Radiometer 9 km EASE-Grid Soil Moisture V001 SMAP L-BAND RADIOMETER, SMOS L-BAND RADIOMETER 2015-05-01 to 2021-12-31 1 COMPLETE HDF5 Brightness Temperature, Surface Soil Moisture, Vegetation Optical Depth
SMOS-Based SMAP L2 Radiometer Half-Orbit 9 km EASE-Grid Soil Moisture V001 SMAP L-BAND RADIOMETER, SMOS L-BAND RADIOMETER 2015-05-01 to 2022-01-01 1 COMPLETE HDF5 Brightness Temperature, Surface Soil Moisture, Vegetation Optical Depth
Soil Moisture Active Passive (SMAP) CPEX SMAP L-BAND RADAR 2017-05-24 to 2017-07-16 1 COMPLETE Soil Moisture/Water Content
Soil Moisture Active Passive (SMAP) L1-L3 Ancillary Satellite Data V001 NOT APPLICABLE 2015-01-31 to Present 1 ACTIVE Binary Attitude Characteristics, ORBITAL CHARACTERISTICS
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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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