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[1]FENG Junyuan,CAI Qiangguo,LI Zhaoxia,et al.Research Progresses of Melt Water Erosion in the High Altitude and Cold Regions of China[J].Research of Soil and Water Conservation,2015,22(03):331-335.

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Research Progresses of Melt Water Erosion in the High Altitude and Cold Regions of China

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 22 Number of periods: 2015 03 Page number: 331-335 Column: Public date: 2015-06-28

Title:: Research Progresses of Melt Water Erosion in the High Altitude and Cold Regions of China

Author(s):: FENG Junyuan^1,2, CAI Qiangguo¹, LI Zhaoxia², SUN Liying¹; 1. Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;
2. College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China

Keywords:: soil and water conservation; melt water erosion; mechanism; influence factor; evaluation methodology

CLC:: S157.1

DOI:: -

Abstract:: On the basis of comparing different erosion types and mechanisms, this paper analyzed the relation of freeze-thaw erosion and melt water erosion, and discussed the concept of melt water erosion. The melt water erosion is defined as the soil erosion progress that water runoff resulting from the melted ice and snow erodes seasonal frozen soil. This paper analyzed the mechanism and characteristics of the melt water erosion, and figured out that repeated freeze-thaw action and impervious permafrost reduced erosion durability of soil and promoted the slope melt water runoff scouring soil. This paper analyzed the main influence factors on melt water erosion. The temperature, radiation and precipitation are the immediate influence factors on melt water erosion, the vegetation, wind and terrain influence the distribution of the snow and the radiation. This paper narrated the evaluation methodologies and evaluation model, and figured out that the research of melt water erosion should consult GIS/WEPP/EUROSEM models. In the end, this paper discussed the main research directions combining with the physical conditions of melt water erosion in our country.

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