List of issues > Series «Earth Sciences». 2018. Vol. 23
The Spatial Distribution of Precipitation by Climatic Zones of the Upstream of the Transboundary Pyanj River
The monitoring results of the snow cover accumulation processes in the upstream of the transboundary Pyanj River are presented. With the availability of four climatic zones in Gorno-Badakhshan Autonomous region that covers the Pamir and which is the formation area of the Pyanj River the snow cover monitoring was carried out at the meteorological stations located in appropriate climatic zones. By the study of the dependence of the snow depth vs the height values of the meteorological stations a.s.l it was observed that the snow cover formation and spatial distribution of precipitation in the mountainous Pamir is mainly determined by the orography of the terrain and types of penetrating air masses. It is found that the ratio of the atmospheric precipitation annual amount and the snow cover depth is determined by the temperature regime and elevation. The existence of the orography effect on the promotion of air masses in mountain areas promotes to ensure that there is a shift of periods of the snow cover accumulation in different climate zones. Suggested that between the deposition periods of the maximum amount of snow in Western, Central climate zones of the Pamir mountains, characterized by more abundant rainfall and a dry Eastern climate zone shall be the period of time associated with the fact that the dry air mass, that is passed through the mountains, must be saturated by water vapor.
For citation:
Mirzokhonova S.O., Markaev B.A., Normatov P.I., Eshankulova R.U. Development Factors and Intensity of Heavy Rains Erosion on the Arable Land of the Tom-Yaya Interfluve. The Bulletin of Irkutsk State University. Series Earth Sciences, 2018, vol. 23, pp. 74-82. https://doi.org/10.26516/2073-3402.2018.23.74. (in Russian)
DOI
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