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Soil erosion in the riparian zone of the Three Gorges Reservoir, China
Bao, Yuhai1; Tang, Qiang1,2; He, Xiubin1; Hu, Yunhua1,2; Zhang, Xinbao1
Corresponding AuthorXiubin He
AbstractThe riparian zone of the Three Gorges Reservoir (TGR) has experienced substantial erosion that may severely deteriorate the reservoir ecosystem. To calculate soil erosion characteristics, field investigations have been conducted in the TGR area and 12 erosion-monitoring transects have been set in the middle TGR. The results showed that the dominating drive forces are water wave, gravity and surface runoff. In summer when the reservoir ran at lower water levels, wave erosion led to bank instability and bank collapses. Simultaneously, due to a number of heavy storms, surface runoff erosion was also severe. In other seasons when the reservoir ran at relative higher levels reaching the highest level in winter, water wave prevailed due to the wide range of water surface and heavy waterway transportation. Soil erosion was the most severe in the mainstream where higher frequency and intensity of waves occurred. The rates of wave erosion were around 37 mm/year with the highest being 53 mm/year, and surface runoff erosion was up to 15 mm/year in the main stream riparian zone.
KeywordBank Collapse Hydrological Alternation Riparian Zone Soil Erosion Three Gorges Reservoir Wave Erosion
Subject Area水土保持学
WOS HeadingsScience & Technology ; Physical Sciences
WOS Subject ExtendedWater Resources
Indexed BySCI
WOS SubjectWater Resources
WOS IDWOS:000352756700004
Funding OrganizationNational Natural Science Foundation of China(41201272) ; Chinese Academy of Science(KZCX2-XB3-09)
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Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Key Lab Mt Surface Proc & Ecol Regulat, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Bao, Yuhai,Tang, Qiang,He, Xiubin,et al. Soil erosion in the riparian zone of the Three Gorges Reservoir, China[J]. HYDROLOGY RESEARCH,2015,46(2):212-221.
APA Bao, Yuhai,Tang, Qiang,He, Xiubin,Hu, Yunhua,&Zhang, Xinbao.(2015).Soil erosion in the riparian zone of the Three Gorges Reservoir, China.HYDROLOGY RESEARCH,46(2),212-221.
MLA Bao, Yuhai,et al."Soil erosion in the riparian zone of the Three Gorges Reservoir, China".HYDROLOGY RESEARCH 46.2(2015):212-221.
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