How are gelisols formed?

1 answer:

8 0

Gelisols are soils with permafrost within 2 meters of the surface. These soils generally have limited profile development. Most of the soil forming processes in these soils occur near the surface, sometimes resulting in significant accumulation of organic matter. Large areas of this soil occur in the Northern regions of Russia, Canada, and Alaska. These areas become boggy wetlands in the summer, and support large numbers of migratory birds and grazing mammals. The permafrost of Gelisols tends to become unstable (melt) if disturbed, leading to a waterlogged soil condition that poses problems for engineering uses.

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