Soil Moisture Active Passive Data (SMAP)

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

The Near Real-time SMAP L1B Radiometer Half-Orbit Time-Ordered Brightness Temperatures, Version 105 and Near Real-time SMAP L2 Radiometer Half-Orbit 36 km EASE-Grid Soil Moisture, Version 107 data

On Monday August 8, 2022 the SMAP observatory entered a safe-mode which is designed to maintain its essential functions but stops science data acquisition. The Project team is investigating the cause

NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) is pleased to announce its participation in NASA’s Earthdata Forum. Earthdata Forum provides a central online