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Impacts of eco-restoration on suspended sediment load in the upper Yangtze River of China
He, Xiubin1; Wei, Jie2
Source PublicationErosion and sediment yields in the changing environment (IAHS Publ. 356)
Author of SourceIAHS
meetingIAHS international commission on continental erosion symposium
Conference DateOctober 11, 2012 - October 15, 2012
Conference PlaceChengdu
Contribution Rank1
AbstractVegetation coverage is of great importance to the ecosystem and plays a key role for soil conservation, runoff and sediment yields. Long-term gauging data indicate that eco-programs in the upper Yangtze basin launched since 1989 have increased vegetation coverage through massive afforestation and soil-water conservation measures. The accumulated planting area of 5.3 million hectares has increased catchment forest coverage from 11% in 1978, to 34% in 2010. The mean annual sediment load of 2.78 × 108t since 1989 is evidently less than that of 5.23 × 108t before 1989 (a 47% reduction). Comparing the vegetation coverage situation and the sediment regime during 1999-2002 to those of 1984-1998, shows that the riverine suspended sediment load decreased 1.10% per 1% increase in forest coverage. Since 2003, the sediment load has sharply declined due to rapid construction of reservoirs in the upper reaches. Copyright © 2012 IAHS Press.
Keywordafforestation ecological programmes sediment load soil erosion the upper yangtze river
Indexed ByEI
Accession numberAccession number:20133616706404
Document Type会议论文
Corresponding AuthorHe, Xiubin
Affiliation1.Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, 610041, China;
2.Geography and Tourism College, Chongqing Normal University, Chongqing, 400047, China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding 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
He, Xiubin,Wei, Jie. Impacts of eco-restoration on suspended sediment load in the upper Yangtze River of China[C]//IAHS,2023:29-36.
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