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Basic Characteristics of Periglacial Landforms on Wutai Mountain

Zhu Jinghu ( Department of Geography, Harbin Normal University) Cui Zhijiu (Department of Geography,Beijing University)  
Wutai mountain located near Wutai county in Shanxi Province is the highest peak (3058) in the North China. Both ancient periglacial phenomena and present periglacial phenomena have been developed. Periglacial landforms are as follows: cryoplanation surface, tors, blockfield, block slopes, stone stripes, stone circles, stone nets, polygons, frost block, turfs, solifluction lobes, blockstreams, thaw hollow, dells, stone-banked terraces, stone banks, periglacial loess, etc. Both ancient periglacial phenomena and present periglacial phenomena have relation originally on Mt. Wutai. In the late Pleistocene, the mean annual temperature was about 3-4℃ lower than that at present on the top of Mt.Wutai, but it is about 10-11℃ lower than that at present on the surface of Shanxi Plateau.There was a periglacial age in the late glacial age of the Quaternary in the Wutai Shan area and it was called the Wutai Periglacial age, but now it goes into a sub-Periglacial age.
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