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Solifluction in the mountains of central Asia: distribution, morphology, processes
Author(s) -
Gorbunov Aldar P.,
Seversky Edward V.
Publication year - 1999
Publication title -
permafrost and periglacial processes
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.867
H-Index - 76
eISSN - 1099-1530
pISSN - 1045-6740
DOI - 10.1002/(sici)1099-1530(199901/03)10:1<81::aid-ppp307>3.0.co;2-3
Subject(s) - solifluction , geology , geomorphology , frost (temperature) , landform , humanities , glacial period , art
The solifluction belt in the Tien Shan and Pamir–Alai varies in width from 900 to 1400 m ASL. Its lower limit lies at about 2500 m in the north and 3800 m in the south. Solifluction processes produce a variety of landforms ranging from large (sheets, streams, terraces) to small (stripes, turf‐banked steps) forms. Movement rates vary from 1–2 mm/a to 300 mm/a. Three mechanisms of movement are distinguished according to the predominance of frost creep, flow or massive sliding. Present‐day, Holocene and Pleistocene solifluction features are recognized. Copyright © 1999 John Wiley & Sons, Ltd.