[1]Zhao Wenzhuo,Qin Fucang,Dong Xiaoyu,et al.Relationship Between Gully Slope Slumping Erosion Characteristics and Topographic Factors in Bare Sandstone Area[J].Research of Soil and Water Conservation,2024,31(05):155-163.[doi:10.13869/j.cnki.rswc.2024.05.012]
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Relationship Between Gully Slope Slumping Erosion Characteristics and Topographic Factors in Bare Sandstone Area
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
31
Number of periods:
2024 05
Page number:
155-163
Column:
Public date:
2024-08-10
- Title:
- Relationship Between Gully Slope Slumping Erosion Characteristics and Topographic Factors in Bare Sandstone Area
- CLC:
- S157
- DOI:
- 10.13869/j.cnki.rswc.2024.05.012
- Abstract:
- [Objective]The aims of this study are to examine the relationship between gully slope slumping erosion and topographic factors, and to provide a theoretical reference for the mechanism of gully slope slumping erosion and erosion disaster monitoring in bare sandstone area. [Methods]Based on in-situ monitoring and 3D laser scanning technology, the characteristics of slumping erosion and the variation of topographic factors were analyzed. [Results](1)The amount of slumping erosion was significantly correlated with temperature and wind speed, and the correlation coefficients were 0.867 and 0.917.(2)The topographic factor values showed an increasing trend in general, the surface roughness and surface undulations fluctuated more obviously on the slope, and the fluctuations changed slowly in the middle and lower slopes, and the gully density had no obvious regularity.(3)The amount of slumping erosion was significantly correlated with surface roughness and surface fluctuation, and the relationship was polynomial regression, there was no significant correlation with gully density. There was a certain correlation among the topographic factors, and the surface roughness and surface undulations showed a significant positive correlation, and the correlation coefficient was 0.89. [Conclusion]The erosion amount of gully slope in bare sandstone area can be characterized by the numerical fluctuation of surface roughness and surface fluctuation.
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Last Update:
2024-08-10