湖北农业科学 ›› 2022, Vol. 61 ›› Issue (18): 34-39.doi: 10.14088/j.cnki.issn0439-8114.2022.18.006

• 资源·环境 • 上一篇    下一篇

基于GIS和RUSLE的玉溪市土壤侵蚀研究

孙咏琦a, 李建华a, 刘士鑫b, 付景b   

  1. 云南农业大学,a.水利学院; b.资源与环境学院,昆明 650201
  • 收稿日期:2021-08-18 出版日期:2022-09-25 发布日期:2022-10-21
  • 通讯作者: 李建华(1980-),男,湖南娄底人,副教授,博士,主要从事土地利用与整治研究,(电话)18487300826(电子信箱)wenniforever@126.com。
  • 作者简介:孙咏琦(1998-),女(蒙古族),内蒙古赤峰人,在读硕士研究生,研究方向为资源与环境遥感,(电话)15032909509(电子信箱)1615572056@qq.com。
  • 基金资助:
    云南省教育厅科学研究基金项目(2022Y288)

Soil erosion in Yuxi City based on GIS and RUSLE

SUN Yong-qia, LI Jian-huaa, LIU Shi-xinb, FU Jingb   

  1. a. College of Water Conservancy; b. College of Resources and Environment,Yunnan Agricultural University, Kunming 650201, China
  • Received:2021-08-18 Online:2022-09-25 Published:2022-10-21

摘要: 将通用土壤侵蚀方程(RUSLE)、地理信息以及遥感技术相结合,利用ArcGIS栅格计算功能得到研究区土壤侵蚀强度空间分布情况。结果表明,玉溪市平均土壤侵蚀量为1 043.03 t/(km2·a),其中微度侵蚀的土壤面积为863 497.62 hm2,占该市总面积的57.844%,轻度侵蚀的土壤面积占该市总面积的33.486%,中度侵蚀的土壤面积占该市总面积的7.503%,该市主要土壤侵蚀类别为轻度以及微度侵蚀,土壤侵蚀严重区域集中分布在西南部以及东南部,主要在元江、绿汁江以及曲江流域附近。

关键词: 土壤侵蚀, GIS, 土壤侵蚀方程, RS, 玉溪市

Abstract: The general soil erosion equation (RUSLE), geographic information and remote sensing technology were combined, and the spatial distribution of soil erosion intensity in the study area was obtained by using the grid calculation function of ArcGIS. The final results showed that the average soil erosion in Yuxi City was 1 043.03 t/(km2·a), of which the area of slightly eroded soil was 863 497.62 hm2, accounting for 57.844% of the total area of Yuxi City, and the area of lightly eroded soil was 33.486% of the total area of Yuxi City. The area of moderately eroded soil accounted for 7.503% of the total area of the city. The main categories of soil erosion in the city were mild and slight erosion. The areas with severe soil erosion were concentrated in the southwest and southeast, mainly in the Yuanjiang, Lvzhijiang and Qujiang basins.

Key words: soil erosion, GIS, RUSLE, RS, Yuxi City

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