When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Frozen soil, permafrost, snow, glaciers, ice sheet and ice shelves; river, lake and sea ice are all features of the Earth's surface in the cryosphere, with snow and sea ice being among the most dynamic.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.