Spatio-temporal trends and causes of variations in runoff and sediment load of the Jinsha River in China

doi:10.1007/s11629-018-5330-6

CORC > 成都山地灾害与环境研究所 > 中国科学院水利部成都山地灾害与环境研究所 > Journal of Mountain Science > Journal of Mountain Science-2019 > Vol16 No.10

	Spatio-temporal trends and causes of variations in runoff and sediment load of the Jinsha River in China
	Lu Chuan-hao; Dong Xian-yong; Tang Jia-liang; Liu Gang-cai
刊名	JOURNAL OF MOUNTAIN SCIENCE
	2019
卷号	16 期号:10 页码:2361-2378
关键词	Jinsha River Basin Runoff Sediment load Rainfall Cascade reservoir Three Gorges Reservoir
ISSN号	1672-6316
DOI	10.1007/s11629-018-5330-6
文献子类	Article
英文摘要	The 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.
电子版国际标准刊号	1993-0321
语种	英语
WOS记录号	WOS:000489956000012
内容类型	期刊论文
源URL	[http://ir.imde.ac.cn/handle/131551/46598]
专题	Journal of Mountain Science_Journal of Mountain Science-2019_Vol16 No.10
推荐引用方式 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.