收稿日期: 1996-10-15
修回日期: 1996-11-04
网络出版日期: 1997-04-01
基金资助
本文得到国家“八五”攀登计划青藏项目和中科院“冰冻圈动态变化基础研究”项目资助。
STUDY OF PERMAFROST DEGRADATION IN THE QINGHAI-XIZANG PLATEAU
Received date: 1996-10-15
Revised date: 1996-11-04
Online published: 1997-04-01
王绍令 . 青藏高原冻土退化的研究[J]. 地球科学进展, 1997 , 12(2) : 164 -167 . DOI: 10.11867/j.issn.1001-8166.1997.02.0164
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.
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