STUDY OF PERMAFROST DEGRADATION IN THE QINGHAI-XIZANG PLATEAU
Received date: 1996-10-15
Revised date: 1996-11-04
Online published: 1997-04-01
The climate in the Qinghai-Xizang plateau has been becoming warmer since the late 1970' s ,that have resulted in a regional permafrost degradation in the plateau.The mean annual ground temperatures rose 0.1～0.5℃,uncoincidently frozen ground and residual thawed layers in the vertical profile have been forming in the fringe,the lower limit of permafrost distribution rose about 40～80 m,and the total area of permafrost has been disminished 10×104km2.
WANG Shaoling . STUDY OF PERMAFROST DEGRADATION IN THE QINGHAI-XIZANG PLATEAU[J]. Advances in Earth Science, 1997 , 12(2) : 164 -167 . DOI: 10.11867/j.issn.1001-8166.1997.02.0164
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