The Northern Hemisphere EASE-Grid 2.0 Weekly Snow Cover and Sea Ice Extent, Version 4 data set, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated through 1 January 2023. This data set contains snow cover and sea ice extent derived from SMMR and DMSP-F8, -F11, -F13, and -F17 SMM/I and SSMIS brightness temperature measurements. These data are provided on the 25 km Northern Hemisphere EASE-Grid 2.0.
Data set DOI: https://doi.org/10.5067/P7O0HGJLYUQU