A message from our CEO about the future of Stack Overflow and Stack Exchange. Read now.

Questions regarding the area of the Earth where water is in solid form, including sea ice, lake ice, river ice, snow cover, glaciers, ice caps, ice sheets, and permafrost.

The cryosphere refers to those portions of Earth's surface where water is in solid form, including sea ice, lake ice, river ice, snow cover, glaciers, ice caps, ice sheets, and frozen ground (which includes permafrost).

history | excerpt history