{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "Thomas Morgan", "hasEmail": "mailto:thomas.h.morgan@nasa.gov"}, "description": "This Level-2 (L2) soil moisture product provides estimates of land surface conditions retrieved by both the Soil Moisture Active Passive (SMAP) radiometer during 6:00 a.m. descending and 6:00 p.m. ascending half-orbit passes and the Sentinel-1A and -1B radar. SMAP L-band brightness temperatures and Copernicus Sentinel-1 C-band backscatter coefficients are used to derive soil moisture data, which are then resampled to an Earth-fixed, cylindrical 3 km Equal-Area Scalable Earth Grid, Version 2.0 (EASE-Grid 2.0). While the 3 km data product has undergone validation, the 1 km product has not and should be used with caution.", "identifier": "C1931663473-NSIDC_ECS", "issued": "2015-03-31", "keyword": ["earth-science", "land-surface", "microwave", "radar", "soils", "spectral-engineering"], "landingPage": "https://doi.org/10.5067/ASB0EQO2LYJV", "language": ["en-US"], "modified": "2025-07-17", "programCode": ["026:001"], "publisher": {"@type": "org:Organization", "name": "NASA NSIDC DAAC"}, "spatial": "-180.0 -60.0 180.0 60.0", "temporal": "2015-03-31T00:00:00Z/2025-03-24T00:00:00Z", "theme": ["geospatial"], "title": "SMAP/Sentinel-1 L2 Radiometer/Radar 30-Second Scene 3 km EASE-Grid Soil Moisture V003"}