IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Insight into runoff decline due to climate change in China's Water Tower
Liu, Guangsheng1,2; Wang, Genxu1
Corresponding AuthorWang, Genxu
2012
Source PublicationWATER SCIENCE AND TECHNOLOGY-WATER SUPPLY
ISSN1606-9749
Volume12Issue:3Pages:352-361
SubtypeArticle
AbstractWater resources in the Three-Rivers Headwater Region (TRHR), 'China's Water Tower', have declined in recent years. In particular, the causes and magnitude of declining runoff in the region remain unclear. This study investigated the recent climatic and hydrological trends in the TRHR. We also analyzed the influence of climate change on runoff decline. Meteorological and runoff data on the TRHR since 1961 were used. The results showed that 'China's Water Tower' is threatened by climate changes in several ways. The strong warming trend was the main driving factor for runoff decline. Moreover, the earlier thawing of snow and ice on frozen soil led to a significant decline in May runoff. The descending trend of the runoff coefficient suggests that basin storage and the mechanism of runoff generation may have changed appreciably. Climate warming has also caused recent degradation in the alpine wetland ecosystem and a considerable reduction in the runoff coefficient, thereby inducing a decreasing trend in river runoff. A common understanding of runoff decline due to climate change can be used in the planning and management for social, economic and cultural systems in China and surrounding countries.
KeywordClimate Change Freeze-thaw Runoff Decline Three-rivers Headwater Region Vegetation Degradation
WOS HeadingsScience & Technology ; Technology ; Life Sciences & Biomedicine ; Physical Sciences
DOI10.2166/ws.2012.003
WOS Subject ExtendedEngineering ; Environmental Sciences & Ecology ; Water Resources
Indexed BySCI
WOS KeywordIMPACTS ; REGIONS
Language英语
WOS SubjectEngineering, Environmental ; Environmental Sciences ; Water Resources
WOS IDWOS:000327748800010
Funding OrganizationNatural Science foundation of China(40925002 ; 40730634)
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/6278
Collection山地表生过程与生态调控重点实验室
Affiliation1.Chinese Acad Sci, Key Lab Terr Processes Mountainous Regions & Ecol, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Liu, Guangsheng,Wang, Genxu. Insight into runoff decline due to climate change in China's Water Tower[J]. WATER SCIENCE AND TECHNOLOGY-WATER SUPPLY,2012,12(3):352-361.
APA Liu, Guangsheng,&Wang, Genxu.(2012).Insight into runoff decline due to climate change in China's Water Tower.WATER SCIENCE AND TECHNOLOGY-WATER SUPPLY,12(3),352-361.
MLA Liu, Guangsheng,et al."Insight into runoff decline due to climate change in China's Water Tower".WATER SCIENCE AND TECHNOLOGY-WATER SUPPLY 12.3(2012):352-361.
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