Soil Moisture Active Passive Data (SMAP)

The SMAP Radiometer Twice-Daily rSIR-Enhanced EASE-Grid 2.0 Brightness Temperatures, Version 3 data set, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center

The SMAP Level-4 data sets, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), have been updated to a new minor version for data beginning 1 August

The SMOS-Based SMAP L2 Radiometer Half-Orbit 9 km EASE-Grid Soil Moisture and SMAP/SMOS L3 Radiometer 9 km EASE-Grid Soil Moisture, Version 2 datasets, available at the NASA National Snow and Ice Data

Data from the SMAP Standard products, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), have been reprocessed from 14 May 2026 to 28 July 2026 to

The SMAP Standard and Near Real-Time data sets, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), experienced a geolocation issue from 14 May 2026