• The NSIDC DAAC is retiring access to its legacy, on-premises data archive and transitioning to the NASA Earthdata Cloud as the primary data archive. View planned retirement dates here.

Soil Moisture Active Passive Data (SMAP)

Data Announcements

The SMAP Level-4 Data Sets, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), have been updated to version 7. For all Level-4 data products
The SMAP data acquired after anomaly recovery have been determined to be high quality and consistent with the data acquired prior to the anomaly. The radiometer calibration is stable within 0.1 K and