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STUDY OF PERMAFROST DEGRADATION IN THE QINGHAI XIZANG PLATEAU

Shaoling Wang

Open publisher page 19 citations

Abstract

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 10×10 4 km 2.

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What this paper is about

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 10×10 4 km 2.

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Available abstract

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 10×10 4 km 2.

Key concepts: Permafrost, Plateau (mathematics), Geology, Physical geography, Environmental science, Hydrology (agriculture), Geomorphology, Geography

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