IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Spatio-temporal trends and causes of variations in runoff and sediment load of the Jinsha River in China
Lu Chuan-hao1,3; Dong Xian-yong2; Tang Jia-liang1; Liu Gang-cai1
Corresponding AuthorLiu Gang-cai(liugc@imde.ac.cn)
2019
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
EISSN1993-0321
Volume16Issue:10Pages:2361-2378
SubtypeArticle
Contribution Rank1
AbstractThe Jinsha River Basin is an important basin for hydropower in China and it is also the main runoff and sediment source area for the Yangtze River, which greatly influence the runoff and sediment in the Three Gorges Reservoir. This study aims to characterize the spatial distribution, inter-annual variation of runoff and sediment load in the Jinsha River Basin, and to analyze the contribution of rainfall and human activities to the runoff and sediment load changes. The monitoring data on runoff, sediment load and precipitation were collected from 11 hydrological stations in the Jinsha River Basin from 1966 to 2016. The data observed at the outlet of the basin showed that 71.4% of the runoff is from the upper reaches of the Jinsha River Basin and the Yalong River, while 63.3% of the sediment is from the lower reaches (excluding the Yalong River). There is no significant increase in runoff on temporal scale in the Jinsha River Basin, while it has an abrupt change in runoff in both upstream and midstream in 1985, and an abrupt change in downstream in 1980 and 2013. The sediment load demonstrated a significant increasing trend in the upstream, no significant reducing trend in the midstream, but significant reducing trend in the downstream. The sediment load in upstream showed abrupt change in 1987, in midstream in 1978 and 2014, in downstream in 2012. Rainfall dominated runoff variation, contributing more than 59.0% of the total variation, while human activity, including reservoirs construction, the implementation of soil and water conservation projects, is the major factor to sediment load variation, contributing more than 87.0% of the total variation.
KeywordJinsha River Basin Runoff Sediment load Rainfall Cascade reservoir Three Gorges Reservoir
DOI10.1007/s11629-018-5330-6
Indexed BySCI
WOS KeywordYANGTZE-RIVER ; DAM ; IMPACT ; RESPONSES ; DELTA ; FLOW
Language英语
Funding ProjectNational Key R & D Plan Project of China[2018YFD0200502] ; 135 Strategic Program of the Institute of Mountain Hazards and Environment, CAS[SDS-135-1702]
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000489956000012
Funding OrganizationNational Key R & D Plan Project of China ; 135 Strategic Program of the Institute of Mountain Hazards and Environment, CAS
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/31299
Collection山地表生过程与生态调控重点实验室
山地灾害与地表过程重点实验室
Corresponding AuthorLiu Gang-cai
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Sichuan, Peoples R China;
2.Chinese Acad Sci, Minist Water Conservancy, Key Lab Mt Surface Proc & Ecol Regulat, Chengdu 610041, Sichuan, Peoples R China;
3.China Three Gorges Corp, Chengdu 610041, Sichuan, Peoples R China;
4.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
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
Lu Chuan-hao,Dong Xian-yong,Tang Jia-liang,et al. Spatio-temporal trends and causes of variations in runoff and sediment load of the Jinsha River in China[J]. JOURNAL OF MOUNTAIN SCIENCE,2019,16(10):2361-2378.
APA Lu Chuan-hao,Dong Xian-yong,Tang Jia-liang,&Liu Gang-cai.(2019).Spatio-temporal trends and causes of variations in runoff and sediment load of the Jinsha River in China.JOURNAL OF MOUNTAIN SCIENCE,16(10),2361-2378.
MLA Lu Chuan-hao,et al."Spatio-temporal trends and causes of variations in runoff and sediment load of the Jinsha River in China".JOURNAL OF MOUNTAIN SCIENCE 16.10(2019):2361-2378.
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