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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_METADATA_V001 | SAR | 2015-02-12 to 2021-11-04 | N: 90 S: -90 E: 180 W: -180 | 1 | ACTIVE | Soil Moisture/Water Content, ORBITAL CHARACTERISTICS, RADAR IMAGERY, SIGMA NAUGHT | |
| SMAP_L1A_RADAR_METADATA_V002 | SAR | 2015-02-12 to 2021-11-04 | N: 90 S: -90 E: 180 W: -180 | 2 | ACTIVE | ORBITAL CHARACTERISTICS, ORBITAL CHARACTERISTICS, RADAR IMAGERY, RADAR IMAGERY, SIGMA NAUGHT | |
| SMAP Level 1A Radar Telemetry Product (Version 1) | SAR | 2015-02-12 to 2021-11-04 | N: 90 S: -90 E: 180 W: -180 | 1 | COMPLETE | Soil Moisture/Water Content, ORBITAL CHARACTERISTICS, RADAR IMAGERY, SIGMA NAUGHT | |
| SMAP_L1A_RADAR_QA_V002 | SAR | 2015-02-12 to 2021-11-04 | N: 90 S: -90 E: 180 W: -180 | 2 | ACTIVE | ORBITAL CHARACTERISTICS, ORBITAL CHARACTERISTICS, RADAR IMAGERY, RADAR IMAGERY, SIGMA NAUGHT | |
| SMAP_L1A_RADAR_QA_V001 | SAR | 2015-02-12 to 2021-11-04 | N: 90 S: -90 E: 180 W: -180 | 1 | ACTIVE | Soil Moisture/Water Content, ORBITAL CHARACTERISTICS, RADAR IMAGERY, SIGMA NAUGHT | |
| SMAP Level 1A Radar Telemetry Product (Version 2) | SAR | 2015-02-12 to 2021-11-04 | N: 90 S: -90 E: 180 W: -180 | 2 | COMPLETE | ORBITAL CHARACTERISTICS, ORBITAL CHARACTERISTICS, RADAR IMAGERY, RADAR IMAGERY, SIGMA NAUGHT | |
| SMAP L2 Radar Half-Orbit 3 km EASE-Grid Soil Moisture V003 | SMAP L-BAND RADAR | 2015-04-13 to 2015-07-07 | N: 85.044 S: -85.044 E: 180 W: -180 | 003 | COMPLETE | HDF5 | SIGMA NAUGHT, Soil Moisture/Water Content |
| SMAP Enhanced L1C Radiometer Half-Orbit 9 km EASE-Grid Brightness Temperatures V004 | SMAP L-BAND RADIOMETER | 2015-03-31 to Present | N: 85.044 S: -85.044 E: 180 W: -180 | 004 | ACTIVE | HDF5 | Brightness Temperature |
| SMAP-Derived 1-km Downscaled Surface Soil Moisture Product V001 | SMAP L-BAND RADIOMETER | 2015-04-01 to 2024-06-29 | N: 86 S: -86 E: 180 W: -180 | 1 | COMPLETE | GeoTIFF | Surface Soil Moisture |
| 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 | N: 85.044 S: 45 E: 180 W: -180 | 003 | COMPLETE | HDF5 | Freeze/Thaw, SIGMA NAUGHT, Transition Direction |
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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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