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Numerical Simulation of Influence of the Qinghai-Tibet Plateau Rising Rates on Formation of Permafrost
Author(s): 
Pages: 901-908
Year: Issue:  6
Journal: Acta Geologica Sinica

Keyword:  青藏高原隆升冻土层数值模拟;
Abstract: 青藏高原隆升速率是研究者们关注的问题.由于海拔升高引起地表温度降低,形成了现今的青藏高原冻土层.抬升速率不同,冻土层的形成历史和现今状态也会不同,因此,冻土层内可能包含了高原抬升的有关信息.本文用有限元方法计算了同一地点分别用2 Ma时间和5 Ma时间由1000 m抬升到5000 m的两种抬升速率下的情景.计算表明快速抬升和慢速抬升形成的冻土层厚度会有一定的差别,慢速抬升时有更长的热传导时间,形成...
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