The Near-Real-Time DMSP SSMIS Daily Polar Gridded Sea Ice Concentrations, Version 1 data set will be retired from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) on 31 December 2022. Access to the data will no longer be available, but the data set documentation will remain available for future reference. Access to the documentation is provided on the data set web page at the NSIDC DAAC: https://nsidc.org/data/nsidc-0081/versions/1. Version 2 of the data will remain available here: https://nsidc.org/data/nsidc-0081/versions/2.
Data set DOI: https://doi.org/10.5067/U8C09DWVX9LM