Geography Alas: Shallow depression formed by subsidence of the Arctic permafrost
Alas is a landform that is a little bit lower than the surface around it.
It mainly occurs in Yakutia. An alas first develops as a shallow lake. The lake eventually dries out and is replaced by grass and other plants.
Alases are often used as a pasture for horses. They are common in the Central Yakutian Lowland. The largest alas in the world is Myuryu, found in Ust-Aldan District.
References
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