干旱区生态环境知识资源中心(Arid): Contribution of cryosphere to runoff in the transition zone between the Tibetan Plateau and arid region based on environmental isotopes

Arid

DOI	10.5194/hess-27-97-2023
	Contribution of cryosphere to runoff in the transition zone between the Tibetan Plateau and arid region based on environmental isotopes
	Gui, Juan; Li, Zongxing; Feng, Qi; Cui, Qiao; Xue, Jian
通讯作者	Li, ZX
来源期刊	HYDROLOGY AND EARTH SYSTEM SCIENCES
ISSN	1027-5606
EISSN	1607-7938
出版年	2023
卷号	27 期号:1 页码:97-122
英文摘要	As the transition zone between the Tibetan Plateau and arid region, the Qilian Mountains are important ecological barriers and source regions of inland rivers in northwest China. In recent decades, drastic changes in the cryosphere have had a considerable impact on the formation process of water resources in the Qilian Mountains. In this study, 2164 environmental isotope samples were used to quantify the runoff components of 11 major rivers in the Qilian Mountains and investigate the influence of cryosphere changes on mountain runoff. The results show that the mountain runoff primarily originates in the cryosphere belt, which contributes approximately 82 %, 71 %, and 80 % to the Hexi inland water system, the upper stream of the Yellow River system, and the Qinghai inland river system, respectively. The maximum contribution ratio of glacier and snow meltwater to runoff occurred in May. The contribution of supra-permafrost water to runoff gradually increased from May and reached approximately 40 % in some rivers in October. Cryosphere degradation in the Qilian Mountains after the 1990s has caused a rapid increase in runoff, changes in the peak runoff time, and an increase in winter runoff. These changes in the hydrological processes bring opportunities and challenges to managing inland river water resources, and various adaptive measures to seek advantages and avoid disadvantages have been proposed. The findings from the environmental isotope analysis provide insights into understanding water resources and realizing the nexus of life, agriculture, industry, and ecological water use.
类型	Article
语种	英语
开放获取类型	Green Submitted, gold
收录类别	SCI-E
WOS记录号	WOS:000907268200001
WOS关键词	CLIMATE-CHANGE ; HYDROGRAPH SEPARATION ; STABLE-ISOTOPE ; RIVER-BASIN ; TIANSHAN MOUNTAINS ; WATER ISOTOPES ; GLACIER ; CHINA ; SIMULATION ; DISCHARGE
WOS类目	Geosciences, Multidisciplinary ; Water Resources
WOS研究方向	Geology ; Water Resources
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/396888
推荐引用方式 GB/T 7714	Gui, Juan,Li, Zongxing,Feng, Qi,et al. Contribution of cryosphere to runoff in the transition zone between the Tibetan Plateau and arid region based on environmental isotopes[J],2023,27(1):97-122.
APA	Gui, Juan,Li, Zongxing,Feng, Qi,Cui, Qiao,&Xue, Jian.(2023).Contribution of cryosphere to runoff in the transition zone between the Tibetan Plateau and arid region based on environmental isotopes.HYDROLOGY AND EARTH SYSTEM SCIENCES,27(1),97-122.
MLA	Gui, Juan,et al."Contribution of cryosphere to runoff in the transition zone between the Tibetan Plateau and arid region based on environmental isotopes".HYDROLOGY AND EARTH SYSTEM SCIENCES 27.1(2023):97-122.