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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
ABoVE: Active Layer Thickness from Remote Sensing Permafrost Model, Alaska, 2001-2015 MODIS, SMAP L-BAND RADAR 2001-01-01 to 2015-12-31 1 COMPLETE netCDF-4 classic Active Layer, Freeze/Thaw, Permafrost, Soil Depth
JPL SMAP Level 2B CAP Sea Surface Salinity and Extreme Winds V3.0 Dataset SMAP L-BAND RADIOMETER 2015-03-31 3.0 DEPRECATED HDF5 Salinity
JPL SMAP Level 2B CAP Sea Surface Salinity V4.0 Validated Dataset SMAP L-BAND RADIOMETER 2015-03-31 4.0 DEPRECATED HDF5 Salinity, Surface Winds
JPL SMAP Level 2B CAP Sea Surface Salinity V4.2 Validated Dataset SMAP L-BAND RADIOMETER 2015-04-01 4.2 DEPRECATED HDF5 Salinity, Surface Winds
JPL SMAP Level 2B CAP Sea Surface Salinity V4.3 Validated Dataset SMAP L-BAND RADIOMETER 2015-04-01 4.3 DEPRECATED HDF5 Surface Winds, Salinity
JPL SMAP Level 2B CAP Sea Surface Salinity V5.0 Validated Dataset SMAP L-BAND RADIOMETER 2015-03-31 5.0 ACTIVE HDF5 Surface Winds, Salinity
JPL SMAP Level 2B Near Real-time CAP Sea Surface Salinity V4.2 Validated Dataset SMAP L-BAND RADIOMETER 2015-04-01 4.2 DEPRECATED HDF5 Salinity, Surface Winds
JPL SMAP Level 2B Near Real-time CAP Sea Surface Salinity V4.3 Validated Dataset SMAP L-BAND RADIOMETER 2015-04-01 to 2020-11-19 4.3 DEPRECATED HDF5 Salinity, Surface Winds
JPL SMAP Level 2B Near Real-time CAP Sea Surface Salinity V5.0 Validated Dataset SMAP L-BAND RADIOMETER 2015-04-01 5.0 ACTIVE HDF5 Salinity
JPL SMAP Level 2B Near Real-time CAP Sea Surface Salinity V5.0 Validated Dataset (2 hour latency) SMAP L-BAND RADIOMETER 2015-04-01 5.0 ACTIVE HDF5 Salinity
JPL SMAP Level 3 CAP Sea Surface Salinity Standard Mapped Image 8-Day Running Mean V3.0 Validated Dataset SMAP L-BAND RADIOMETER 2015-03-31 3.0 DEPRECATED NETCDF Salinity
JPL SMAP Level 3 CAP Sea Surface Salinity Standard Mapped Image 8-Day Running Mean V4.0 Validated Dataset SMAP L-BAND RADIOMETER 2015-03-29 4.0 DEPRECATED NETCDF Salinity, Surface Winds
JPL SMAP Level 3 CAP Sea Surface Salinity Standard Mapped Image 8-Day Running Mean V4.2 Validated Dataset SMAP L-BAND RADIOMETER 2015-03-31 4.2 DEPRECATED NETCDF Surface Winds, Salinity
JPL SMAP Level 3 CAP Sea Surface Salinity Standard Mapped Image 8-Day Running Mean V4.3 Validated Dataset SMAP L-BAND RADIOMETER 2015-03-31 4.3 DEPRECATED NETCDF Salinity, Surface Winds
JPL SMAP Level 3 CAP Sea Surface Salinity Standard Mapped Image 8-Day Running Mean V5.0 Validated Dataset SMAP L-BAND RADIOMETER 2015-04-30 5.0 ACTIVE netCDF-4 Salinity, Surface Winds
JPL SMAP Level 3 CAP Sea Surface Salinity Standard Mapped Image Monthly V3.0 Validated Dataset SMAP L-BAND RADIOMETER 2015-04-01 3.0 DEPRECATED NETCDF Salinity
JPL SMAP Level 3 CAP Sea Surface Salinity Standard Mapped Image Monthly V4.0 Validated Dataset SMAP L-BAND RADIOMETER 2015-04-01 4.0 DEPRECATED NETCDF Salinity, Surface Winds
JPL SMAP Level 3 CAP Sea Surface Salinity Standard Mapped Image Monthly V4.2 Validated Dataset SMAP L-BAND RADIOMETER 2015-04-01 4.2 DEPRECATED NETCDF Surface Winds, Salinity
JPL SMAP Level 3 CAP Sea Surface Salinity Standard Mapped Image Monthly V4.3 Validated Dataset SMAP L-BAND RADIOMETER 2015-04-01 4.3 DEPRECATED NETCDF Salinity, Surface Winds
JPL SMAP Level 3 CAP Sea Surface Salinity Standard Mapped Image Monthly V5.0 Validated Dataset SMAP L-BAND RADIOMETER 2015-04-01 5.0 ACTIVE netCDF-4 Surface Winds, Salinity
Multi-Mission Optimally Interpolated Sea Surface Salinity Global Dataset V1 SMAP L-BAND RADIOMETER, AQUARIUS_SCATTEROMETER 2011-08-24 1.0 COMPLETE netCDF-4 Salinity
Multi-Mission Optimally Interpolated Sea Surface Salinity Global Dataset V2 SMAP L-BAND RADIOMETER, AQUARIUS_SCATTEROMETER 2011-08-24 2.0 COMPLETE netCDF-4 Salinity
Multi-Mission Optimally Interpolated Sea Surface Salinity Global Monthly Dataset V1 SMAP L-BAND RADIOMETER, AQUARIUS_SCATTEROMETER 2011-09-01 1.0 COMPLETE netCDF-4 Salinity, Ocean Surface Salinity
Multi-Mission Optimally Interpolated Sea Surface Salinity Global Monthly Dataset V2 SMAP L-BAND RADIOMETER, AQUARIUS_SCATTEROMETER 2011-08-01 2.0 COMPLETE netCDF-4 Salinity, Ocean Surface Salinity
MWOW 6-Hourly Global Ocean Wind Level 3 Version 0.1 ASCAT, SCAT-3, SMAP L-BAND RADIOMETER, KaRIn 2023-01-01 to 2027-08-31 0.1 ACTIVE netCDF-4 Wind Direction, Wind Speed
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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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