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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 Enhanced L3 Radiometer Global Daily 9 km EASE-Grid Soil Moisture V004 SMAP L-BAND RADIOMETER 2015-03-31 to 2021-10-28 004 DEPRECATED HDF5 Surface Soil Moisture
SMAP L1A Radiometer Time-Ordered Parsed Telemetry V002 SMAP L-BAND RADIOMETER 2015-03-31 to Present 002 ACTIVE HDF5 Sensor Counts
SMAP L1B Radiometer Half-Orbit Radio Frequency Interference and Calibration Data V006 SMAP L-BAND RADIOMETER 2015-03-31 to Present 006 ACTIVE HDF5 ANTENNA TEMPERATURE
SMAP L1B Radiometer Half-Orbit Time-Ordered Brightness Temperatures V001 SMAP L-BAND RADIOMETER 2015-03-31 to 2015-10-26 001 DEPRECATED HDF5 Brightness Temperature
SMAP L1B Radiometer Half-Orbit Time-Ordered Brightness Temperatures V002 SMAP L-BAND RADAR 2015-03-31 to 2016-04-21 002 DEPRECATED HDF5, HDF5 ANTENNA TEMPERATURE, Brightness Temperature
SMAP L1B Radiometer Half-Orbit Time-Ordered Brightness Temperatures V004 SMAP L-BAND RADIOMETER 2015-03-31 to 2020-08-27 004 DEPRECATED HDF5 Brightness Temperature
SMAP L1B Radiometer Half-Orbit Time-Ordered Brightness Temperatures V005 SMAP L-BAND RADIOMETER 2015-03-31 to 2023-12-04 005 DEPRECATED HDF5 ANTENNA TEMPERATURE, Brightness Temperature
SMAP L1B Radiometer Half-Orbit Time-Ordered Brightness Temperatures V006 SMAP L-BAND RADIOMETER 2015-03-31 to Present 006 ACTIVE HDF5 Brightness Temperature
SMAP L1C Radiometer Half-Orbit 36 km EASE-Grid Brightness Temperatures V001 SMAP L-BAND RADAR 2015-03-31 to 2015-10-26 001 DEPRECATED HDF5 Brightness Temperature
SMAP L1C Radiometer Half-Orbit 36 km EASE-Grid Brightness Temperatures V002 SMAP L-BAND RADAR 2015-03-31 to 2016-04-21 002 DEPRECATED HDF5, HDF5 Brightness Temperature
SMAP L1C Radiometer Half-Orbit 36 km EASE-Grid Brightness Temperatures V004 SMAP L-BAND RADIOMETER 2015-03-31 to 2020-08-27 004 DEPRECATED HDF5 Brightness Temperature
SMAP L1C Radiometer Half-Orbit 36 km EASE-Grid Brightness Temperatures V005 SMAP L-BAND RADIOMETER 2015-03-31 to 2023-12-04 005 DEPRECATED HDF5 Brightness Temperature
SMAP L1C Radiometer Half-Orbit 36 km EASE-Grid Brightness Temperatures V006 SMAP L-BAND RADIOMETER 2015-03-31 to Present 006 ACTIVE HDF5 Brightness Temperature
SMAP L2 Radar Half-Orbit 3 km EASE-Grid Soil Moisture V002 SMAP L-BAND RADAR 2015-04-13 to 2015-07-07 002 DEPRECATED HDF5, HDF5 Soil Moisture
SMAP L2 Radar Half-Orbit 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 L2 Radar/Radiometer Half-Orbit 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 L2 Radiometer Half-Orbit 36 km EASE-Grid Soil Moisture V001 SMAP L-BAND RADAR 2015-09-09 to 2015-10-25 001 DEPRECATED HDF5 Albedo, Brightness Temperature, Soil Moisture/Water Content, Vegetation Water Content
SMAP L2 Radiometer Half-Orbit 36 km EASE-Grid Soil Moisture V002 SMAP L-BAND RADAR 2015-03-31 to 2016-04-21 002 DEPRECATED HDF5, HDF5 Brightness Temperature, Soil Moisture/Water Content
SMAP L2 Radiometer Half-Orbit 36 km EASE-Grid Soil Moisture V003 SMAP L-BAND RADAR 2015-03-31 to 2016-12-07 003 DEPRECATED HDF5, HDF5 Brightness Temperature, Soil Moisture/Water Content
SMAP L2 Radiometer Half-Orbit 36 km EASE-Grid Soil Moisture V004 SMAP L-BAND RADAR 2015-03-31 to 2018-06-04 004 DEPRECATED HDF5 Brightness Temperature, Soil Moisture/Water Content
SMAP L2 Radiometer Half-Orbit 36 km EASE-Grid Soil Moisture V005 SMAP L-BAND RADAR 2015-03-31 to 2019-08-13 005 DEPRECATED HDF5 Brightness Temperature, Soil Moisture/Water Content
SMAP L2 Radiometer Half-Orbit 36 km EASE-Grid Soil Moisture V006 SMAP L-BAND RADIOMETER 2015-03-31 to 2020-08-27 006 DEPRECATED HDF5 Surface Soil Moisture
SMAP L2 Radiometer Half-Orbit 36 km EASE-Grid Soil Moisture V007 SMAP L-BAND RADIOMETER 2015-03-31 to 2021-10-28 007 DEPRECATED HDF5 Surface Soil Moisture
SMAP L2 Radiometer Half-Orbit 36 km EASE-Grid Soil Moisture V008 SMAP L-BAND RADIOMETER 2015-03-31 to 2023-12-04 008 DEPRECATED HDF5 Brightness Temperature, Surface Soil Moisture
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
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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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