The NSIDC DAAC MEaSUREs data collection includes data products derived from satellite data and created by researchers for researchers encompassing snow, sea ice, glaciers, ice sheets, ice shelves & freeze/thaw conditions, snow, and brightness temperatures. nsidc.org/data/measures

National Snow and Ice Data Center

Mission Antarctica by @MissionAntarctica
A @grttme project - Other backups: @Hallotme