Assessment of soil erosion and its driving factors in the Huaihe region using the InVEST-SDR model

被引：15
作者：
Guo, Ziqi [2 ]
Yan, Zhaojin [1 ,3 ,4 ]
PaErHaTi, MiErZhaTi [1 ]
He, Rong [5 ]
Yang, Hui [1 ,3 ]
Wang, Ran [1 ,3 ]
Ci, Hui [1 ,3 ]
机构：
[1] China Univ Min & Technol, Sch Resources & Geosci, Xuzhou, Peoples R China
[2] China Univ Min & Technol, Sch Environm & Spatial Informat, Xuzhou, Peoples R China
[3] China Univ Min & Technol, Key Lab Coal Bed Gas Resources & Forming Proc, Minist Educ, Xuzhou, Peoples R China
[4] China Univ Min & Technol, Jiangsu Key Lab Coal Based Greenhouse Gas Control, Xuzhou, Peoples R China
[5] Santa Clara Univ, Dept Civil Environm & Sustainable Engn, Santa Clara, CA USA
来源：
GEOCARTO INTERNATIONAL | 2023年 / 38卷 / 01期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Soil erosion; InVEST model; Huaihe region; random forest; geodetector; SEDIMENT DELIVERY; ECOSYSTEM SERVICES; GIS; TRANSPORT; RUSLE; SUSCEPTIBILITY; REGRESSION; LANDSCAPE; YIELD;
D O I：
10.1080/10106049.2023.2213208
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Aiming to provide a scientific basis for the prevention and control of soil erosion in the Huaihe region, this study uses the InVEST-SDR model to estimate the temporal and spatial changes of soil erosion and soil conservation in the Huaihe region in 2010, 2015 and 2020, and the driving factors are evaluated and quantified using Random Forest and Geodetector, respectively. The major findings are as follows: (1) From 2010 to 2020, soil loss and soil retention in the Huaihe region gradually intensified, while the spatial distribution trend was consistent from year to year. (2) The results from Random Forest and Geodetector show that changes in soil loss and soil retention are mainly influenced by slope and rainfall. (3) The steepness and length of slopes are the most influencing factors for soil erosion. Soil loss and soil retention vary widely between different land uses. Forests play an important role in soil conservation.
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页数：22
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