https://www.koreapolarportal.or.kr/

https://climate.nasa.gov/vital-signs/ice-sheets/?intent=121

https://gravis.gfz.de/ais

Parts of the Cryosphere

https://nsidc.org/learn/parts-cryosphere/sea-ice

https://nsidc.org/learn/parts-cryosphere/ice-sheets

https://nsidc.org/learn/parts-cryosphere/ice-shelves

https://nsidc.org/learn/parts-cryosphere/glaciers

Ice Tethered Profilers

International Arctic Buoy Programme

Ice Tethered Profilers

https://tos.org/oceanography/article/the-ice-tethered-profiler-argo-of-the-arctic

Copernicus

Arctic Ocean - High Resolution Sea Ice Information L4

Arctic Ocean - High Resolution Sea Ice Information L3

Sea Ice Thickness derived from merging of L-Band radiometry and radar altimeter derived sea ice thickness

Climate Data Store

Sea ice thickness monthly gridded data for the Arctic from 2002 to present derived from satellite observations

Sea ice concentration daily gridded data from 1978 to present derived from satellite observations