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SMAP Enhanced L3 Radiometer Global and Northern Hemisphere Daily 9 km EASE-Grid Freeze/Thaw State V004
This enhanced Level-3 (L3) product provides a daily composite of global and Northern Hemisphere landscape freeze/thaw conditions retrieved by the Soil Moisture Active Passive (SMAP) radiometer from 6:00 a.m. descending and 6:00 p.m. ascending half-orbit passes. This product is derived from SMAP enhanced Level-1C brightness temperatures (SPL1CTB_E). Backus-Gilbert optimal interpolation techniques are used to extract maximum information from SMAP antenna temperatures and convert them to brightness temperatures. The data are then posted to two 9 km Earth-fixed, Equal-Area Scalable Earth Grids, Version 2.0 (EASE-Grid 2.0): a global cylindrical and a Northern Hemisphere azimuthal.
Complete Metadata
| bureauCode |
[ "026:00" ] |
|---|---|
| identifier | C2776463920-NSIDC_ECS |
| issued | 2015-03-31 |
| landingPage | https://doi.org/10.5067/NQLCDOZJYAKX |
| language |
[ "en-US" ] |
| programCode |
[ "026:001" ] |
| spatial | -180.0 -85.044 180.0 85.044 |
| temporal | 2015-03-31T00:00:00Z/2025-03-24T00:00:00Z |
| theme |
[ "geospatial" ] |
