Is på Grønland er ustabil pga geotermisk varme

[Ryddegutt]

Det er ikke bare i Vest-Antarktis at geotermisk varme gjør isen ustabil:

Ice-penetrating radar1, 2, 3 and ice core drilling4 have shown that large parts of the north-central Greenland ice sheet are melting from below. It has been argued that basal ice melt is due to the anomalously high geothermal flux1, 4 that has also influenced the development of the longest ice stream in Greenland1.

http://www.nature.com/ngeo/journal/v9/n5/full/ngeo2689.html