中文
  7~12 c
What is periglacial landform?

 

Periglacial originally referred to a marginal area of glacier and now refers to a cold region without glacier cover and surface configuration formed by frost weathering and freeze-thaw action in general whose scope is approximately equivalent to that of permafrost region with periglacial phenomena occurring to partial seasonally frozen regions. Therefore, periglacial landform is also called permafrost terrain. Typical periglacial landform in the park involves frost heaving (mud volcano ice mound), rock glacier at jingxian valley and frost heaving grass mound.

frost heaving grass mound

rock glacier at jingxian valley

 

rost heaving (mud volcano ice mound)

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