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[1]YANG Ji-shan,YAO Wen-yi,MA San-bao,et al.Analysis on the Small Gravitational Erosion Factors in Gully Region of the Loess Plateau[J].Research of Soil and Water Conservation,2010,17(06):5-8.

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Analysis on the Small Gravitational Erosion Factors in Gully Region of the Loess Plateau

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 17 Number of periods: 2010 06 Page number: 5-8 Column: Public date: 2010-12-20

Title:: Analysis on the Small Gravitational Erosion Factors in Gully Region of the Loess Plateau

Author(s):: YANG Ji-shan¹, YAO Wen-yi¹, MA San-bao², MA Sheng-ping², SHEN Zhen-zhou¹; 1. Yellow River Institute of Hydraulic Research, YRCC, Zhengzhou 450003, China;
2. Upper and Middle Yellow River Bureau, YRCC, Xi’an 710043, China

Keywords:: gully region of the Loess Plateau; gravitational erosion; influence factor

CLC:: S157

DOI:: -

Abstract:: Small gravitational erosion is a very important agent for sediment yield in the gully region of the Loess Plateau. There are many influence factors for the generation of the gravitational erosion. Based on field observation, some factors, such as development stages of the channel, degree of the slope, weathering grade and creeping of the regolith, vegetation, rain and so on, are discussed in this paper. We concluded that weathering grade and creeping of the regolith are important influence factors for the small gravitational erosion. Slope degree is controling facors which determines the intensity and scale of the small gravitational erosion. Rain is important triggering factor for the occurrence of small gravitational erosion. And the development of the vegetation can restrain occurrence of the small gravitation erosion to some extent.

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