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Soil erosion projection and response to changed climate and land use and land cover on the Loess Plateau

文献类型：期刊论文

作者Zhang, Biao2,3; Guo, Jialong2,3; Fang, Haiyan4,7; Wu, Shufang2,3; Feng, Hao6; Siddique, Kadambot H. M.1,5
刊名AGRICULTURAL WATER MANAGEMENT
出版日期2024-12-20
卷号306页码:18
关键词Environmental simulation Spatiotemporal variation Change attribution FLUS-CMIP RUSLE
ISSN号0378-3774
DOI10.1016/j.agwat.2024.109187
产权排序3
英文摘要The Grain for Green Project has profoundly altered land use and Land cover (LULC), climate, and soil loss rates on the Loess Plateau over the past few decades. Evaluation and projection of soil erosion with the impacts of climate and LULC are essential for soil erosion control. This study focuses on the Jiuyuangou watershed (JYG), a typical representative of the climate and geographical characteristics of the Loess Plateau. Utilizing the Coupled Model Intercomparison Project Phase 6 (CMIP6) and environmental data, the Revised Universal Soil Loss Equation (RUSLE) coupled with the Future land use simulation (FLUS) model was used to assess soil loss rates for historical periods and various future scenarios. Furthermore, the qualitative and quantitative analysis methods were explored to evaluate the impacts of LULC and climate change on soil erosion. The forest and grass in the JYG increased from 33.4 % in 1995 to 74.1 % in 2020. The soil loss rate significantly decreased, from 64.95 t ha(-1)center dot yr(-1) in 1995-4.52 t ha(-1)center dot yr(-1) in 2020. The trend of converting cropland to forest and grass is predicted to continue under different future scenarios. The soil erosion will increase from 2030 to 2050 for different scenarios compared to 2020. The LULC development scenario aiming at ecological protection will effectively curb the increase in soil erosion compared with other scenarios. LULC exerted its influence in various forms across different historical phases. Attribution analysis indicated that the construction of check dams effectively reduced soil erosion from 1995 to 2005, while afforestation from 2005 to 2020 accounted for 64.6 % of the overall contribution. The increase in soil erosion is primarily attributed to more erosive rainfall events and unreasonable allocation of LULC. The correlation between LULC and soil erosion will decrease compared to climate. These findings elucidate the long-term mechanisms of soil erosion changes, emphasizing the urgency of sustainable practices to mitigate soil erosion in the face of environmental challenges.
WOS关键词RUSLE ; SCENARIOS ; IMPACTS ; RUNOFF ; MODEL ; FLUS
资助项目National Natural Science Foun-dation of China[41977064] ; National Key R & D Program of China[2023YFD1900300] ; National Key R & D Program of China[U2102208]
WOS研究方向Agriculture ; Water Resources
语种英语
WOS记录号WOS:001363576100001
出版者ELSEVIER
资助机构National Natural Science Foun-dation of China ; National Key R & D Program of China
源URL[http://ir.igsnrr.ac.cn/handle/311030/211526]  
专题陆地水循环及地表过程院重点实验室_外文论文
通讯作者Wu, Shufang
作者单位1.Univ Western Australia, Sch Agr & Environm, Perth, WA 6001, Australia
2.Northwest A&F Univ, Minist Educ, Key Lab Agr Soil & Water Engn Arid Semiarid Areas, Yangling 712100, Shaanxi, Peoples R China
3.Northwest A&F Univ, Coll Water Resources & Architectural Engn, Yangling 712100, Shaanxi, Peoples R China
4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China
5.Univ Western Australia, UWA Inst Agr, Perth, WA 6001, Australia
6.CAS & MWR, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
7.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Biao,Guo, Jialong,Fang, Haiyan,et al. Soil erosion projection and response to changed climate and land use and land cover on the Loess Plateau[J]. AGRICULTURAL WATER MANAGEMENT,2024,306:18.
APA Zhang, Biao,Guo, Jialong,Fang, Haiyan,Wu, Shufang,Feng, Hao,&Siddique, Kadambot H. M..(2024).Soil erosion projection and response to changed climate and land use and land cover on the Loess Plateau.AGRICULTURAL WATER MANAGEMENT,306,18.
MLA Zhang, Biao,et al."Soil erosion projection and response to changed climate and land use and land cover on the Loess Plateau".AGRICULTURAL WATER MANAGEMENT 306(2024):18.

入库方式： OAI收割

来源：地理科学与资源研究所

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