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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
| Dataset | Instruments | Temporal Extent | Spatial Extent | Version | Data State | Data Format | Related Topics |
|---|---|---|---|---|---|---|---|
| SMAP_L1A_RADAR_RECEIVE_ONLY_METADATA_V003 | SAR | 2015-02-12 to 2025-12-13 | N: 90 S: -90 E: 180 W: -180 | 3 | ACTIVE | ORBITAL CHARACTERISTICS, RADAR IMAGERY, SIGMA NAUGHT | |
| SMAP_L1A_RADAR_RECEIVE_ONLY_V003 | SAR | 2015-02-12 to 2025-12-13 | N: 90 S: -90 E: 180 W: -180 | 3 | ACTIVE | ORBITAL CHARACTERISTICS, RADAR IMAGERY, SIGMA NAUGHT | |
| SMAP_L1A_RADAR_RECEIVE_ONLY_QA_V003 | SAR | 2015-02-12 to 2025-12-13 | N: 90 S: -90 E: 180 W: -180 | 3 | ACTIVE | ORBITAL CHARACTERISTICS, RADAR IMAGERY, SIGMA NAUGHT | |
| Probabilistic Freeze-Thaw Record for the Northern Hemisphere, 2016-2020 | SMAP L-BAND RADIOMETER, AMSR2 | 2016-01-01 to 2020-12-31 | N: 90 E: 180 W: -180 | 1 | COMPLETE | COG | Seasonally Frozen Ground, Seasonally Frozen Ground |
| Multi-Mission Optimally Interpolated Sea Surface Salinity Global Monthly Dataset V1 | SMAP L-BAND RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-09-01 | N: 90 S: -90 E: 180 W: -180 | 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 | N: 90 S: -90 E: 180 W: -180 | 2.0 | COMPLETE | netCDF-4 | Salinity, Ocean Surface Salinity |
| Multi-Mission Optimally Interpolated Sea Surface Salinity Global Dataset V2 | SMAP L-BAND RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-24 | N: 90 S: -90 E: 180 W: -180 | 2.0 | COMPLETE | netCDF-4 | Salinity |
| Multi-Mission Optimally Interpolated Sea Surface Salinity Global Dataset V1 | SMAP L-BAND RADIOMETER, AQUARIUS_SCATTEROMETER | 2011-08-24 | N: 90 S: -90 E: 180 W: -180 | 1.0 | COMPLETE | netCDF-4 | Salinity |
| SMAP_L1A_RADAR_RECEIVE_ONLY_V002 | SAR | 2015-02-12 to 2021-05-26 | N: 90 S: -90 E: 180 W: -180 | 2 | ACTIVE | ORBITAL CHARACTERISTICS, RADAR IMAGERY, SIGMA NAUGHT | |
| SMAP_L1A_RADAR_RECEIVE_ONLY_QA_V002 | SAR | 2015-02-12 to 2021-05-26 | N: 90 S: -90 E: 180 W: -180 | 2 | ACTIVE | ORBITAL CHARACTERISTICS, RADAR IMAGERY, SIGMA NAUGHT |
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SMAP Data Tools
| Tool Sort descending | 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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Frequently Asked Questions
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