Assessing the thermal regime of soils in the depressions of the Prebaikalia and Northern Transbaikalia |
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Authors: | I E Trofimova A I Shekhovtsov |
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Institution: | 1.Institute of Geography, Siberian Branch,Russian Academy of Sciences,Irkutsk,Russia |
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Abstract: | Long-term data from meteorological stations have been used in assessing the thermal state of the soil layer in large depressions
of the Prebaikalia and Northern Transbaikalia. We examine the characteristics of temperature distribution in depth over an
annual cycle for seasonally frozen and permafrost soils. For the Baikalian type depressions we carried out a spatial differentiation
of the lowest and highest (having regard to the temperature lag) mean monthly soil temperatures. It is concluded that within
a single depression the thermal regime of the soil fluctuates over a very broad range. On the other hand, an identical situation
with the temperature regime can occur in different depressions. |
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