The SMAP Radiometer Twice-Daily rSIR-Enhanced EASE-Grid 2.0 Brightness Temperatures, Version 3 data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set contains twice-daily, enhanced-resolution brightness temperature data derived from the SMAP radiometer. Version 3 includes the latest version of SMAP input data, as well as other updates. A more detailed explanation of specific changes is available in the user guide. Current data coverage is for 01 January 2023 through May 2025. Temporal coverage is planned to be updated to present several times annually. Over time, data will also be backfilled to 2015.
Data set DOI: https://doi.org/10.5067/8OULQIU7ZPSX