There are several explanations of earth hummock formation.
2.
Cryogenic earth hummocks appear in a variety of cold-ground environments, making the story of their genesis complex.
3.
Cryogenic earth hummocks are a small formation resulting from granular convection that appear in seasonally frozen ground and have many different names; in North America they are earth hummocks; th�fur in Greenland and Iceland; and pounus in Fennoscandia.
4.
Cryogenic earth hummocks are a small formation resulting from granular convection that appear in seasonally frozen ground and have many different names; in North America they are earth hummocks; th�fur in Greenland and Iceland; and pounus in Fennoscandia.
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