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Remember Thermokarst Drainage Pattern

Thermokarst Drainage Pattern Remembered!

Thermokarst Drainage Pattern Technical Terms

Thermokarst Drainage Pattern: Drainage patterns that form polygonal and hexagonal shapes with streams that may connect rounded depressions, exhibiting a beaded appearance; developed in poorly drained, fine-grained sediments and in organic materials in regions of permafrost. Freezing causes many cracks to develop; thawing causes slumping, settlement, and depressions. This type of drainage pattern with its associated hexagons and beaded ponds indicates the existence or previous presence of permafrost conditions. SW, WA

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