Thermal characteristics of permafrost in the steep alpine rock walls of the Aiguille du Midi (Mont Blanc Massif, 3842 m a.s.l)

Thermal characteristics of permafrost in the steep alpine rock walls of the Aiguille du Midi (Mont Blanc Massif, 3842 m a.s.l)
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南针峰(勃朗峰地块,海拔 3842 米)陡峭高山岩壁永久冻土的热特性

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发表时间:
2014
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影响因子:
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通讯作者:
P. Pogliotti
P. Pogliotti
中科院分区:
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文献类型:
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作者:
F. Magnin;P. Deline;L. Ravanel;J. Noetzli;P. Pogliotti

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抽象。多年冻土和相关的热-水-力学过程被认为会影响高山岩壁的稳定性,但缺乏现场测量意味着岩壁多年冻土的特征和过程知之甚少。为了纠正这种情况,2005年开始在南峰(海拔3842米)安装监测系统。本文介绍了温度记录从9个表面传感器(8年的记录)和3个10米深的钻孔(4年的记录),安装在不同的表面和基岩特性的位置。与以往的研究一致,我们的温度数据分析表明:微气象控制着地表温度,活动层厚度与坡向直接相关,
Abstract. Permafrost and related thermo-hydro-mechanical processes are thought to influence high alpine rock wall stability, but a lack of field measurements means that the characteristics and processes of rock wall permafrost are poorly understood. To help remedy this situation, in 2005 work began to install a monitoring system at the Aiguille du Midi (3842 m a.s.l). This paper presents temperature records from nine surface sensors (eight years of records) and three 10 m deep boreholes (4 years of records), installed at locations with different surface and bedrock characteristics. In line with previous studies, our temperature data analyses showed that: micro-meteorology controls the surface temperature, active layer thicknesses are directly related to aspect and ranged from
不稳定高山基岩永久冻土的研究前景:测量、建模和过程理解
DOI: 10.1002/ppp.740
发表时间: 2012
影响因子: 5
作者:
Krautblatter;Huggel;Deline P;Hasler A.
通讯作者: Hasler A.