Spatial and Temporal Changes and Driving Factors of Soil Erosion in North Piedmont of Yinshan Mountain

Wu Shuai; Aruhan; Pan Haiwei

doi:10.13961/j.cnki.stbctb.2023.06.043

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Spatial and Temporal Changes and Driving Factors of Soil Erosion in North Piedmont of Yinshan Mountain

- Spatial and Temporal Changes and Driving Factors of Soil Erosion in North Piedmont of Yinshan Mountain
- Bulletin of Soiland Water Conservation Vol. 43, Issue 6, Pages: 380-390(2023)
- 作者机构：
  
  内蒙古农业大学沙漠治理学院,内蒙古,呼和浩特,010010
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2023.06.043
  CLC： S157.1
- Published：2023
- 稿件说明：
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Wu Shuai, Aruhan, Pan Haiwei. Spatial and Temporal Changes and Driving Factors of Soil Erosion in North Piedmont of Yinshan Mountain[J]. Bulletin of Soiland Water Conservation, 2023, 43(6): 380-390.
DOI：

Wu Shuai, Aruhan, Pan Haiwei. Spatial and Temporal Changes and Driving Factors of Soil Erosion in North Piedmont of Yinshan Mountain[J]. Bulletin of Soiland Water Conservation, 2023, 43(6): 380-390. DOI： 10.13961/j.cnki.stbctb.2023.06.043.

摘要

[目的] 分析2000—2020年阴山北麓地区土壤侵蚀时空变化及其影响因素，为该区土壤侵蚀治理与国土空间规划提供科学指导。[方法] 基于降水、土地利用、土壤和遥感影像等数据，采用GIS技术和RUSLE模型开展研究。[结果] ①2000—2020年阴山北麓地区土壤侵蚀强度主要以微度侵蚀和轻度侵蚀为主，高等级侵蚀面积不断增加，阴山北麓地区土壤侵蚀状况十分严峻； ②阴山北麓地区土壤侵蚀严重区主要分布在阴山山脉沿线和内蒙古多伦县大部分地区； ③土地利用类型是阴山北麓地区土壤侵蚀主要影响因子，各因子解释力大小依次为：土地利用类型>植被覆盖度>降雨>坡度。土地利用类型为耕地，植被覆盖度小于0.3，坡度在15°～20°和降雨量在365～413 mm之间的地区为高风险侵蚀区域。[结论] 阴山北麓地区土壤侵蚀程度整体偏高。植被覆盖度低的耕地和草地应为阴山北麓地区土壤侵蚀治理重点区域，应采取植树造林种草，扩大林草覆盖面，改善植被覆盖率，降低地表径流速率，提高下渗能力，来控制土壤侵蚀发生。

Abstract

[Objective] The spatial and temporal changes of soil erosion and its influencing factors in the north piedmont of Yinshan Mountain from 2000 to 2020 were analyzed in order to provide scientific guidance for soil erosion control and land space planning in this area. [Methods] Based on precipitation

land use

soil and remote sensing image data

the research was carried out by using GIS technology and the RUSLE model. [Results] ① From 2000 to 2020

soil erosion intensity in the north piedmont of Yinshan Mountain was mainly micro-grade erosion and moderate-grade erosion. The area of high-grade erosion continued to increase over time. The soil erosion status in the north piedmont of Yinshan Mountain was very severe. ② The areas of severe soil erosion in the north piedmont of Yinshan Mountain were mainly located along the Yinshan Mountain range and most areas of Duolun County

Inner Mongolia Autonomous Region. ③ Land use type was the main influencing factor of soil erosion in the north piedmont of Yinshan Mountain. The explanatory power of each factor followed the order of:land use type > vegetation coverage > rainfall > slope. The area consisting of cultivated land with vegetation coverage less than 0.3

slope of 15°~20°

and rainfall of 365~413 mm was the high risk erosion area. [Conclusion] The degree of soil erosion in the north piedmont of Yinshan Mountain was generally high. Cultivated land and grassland with low vegetation coverage should be the key areas for soil erosion control in the north piedmont of Yinshan Mountain. Soil erosion should be controlled by planting trees and grasses to expand the coverage of forests and grasslands

improve vegetation coverage

reduce surface runoff rate

and improve infiltration capacity.

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