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Evaluating mountain water scarcity on the county scale: a case study of Dongchuan District, Kunming, China
Li Jie1,2; Deng Wei1,3; Zhang Ji-fei1
Corresponding AuthorDeng Wei(dengwei@imde.ac.cn)
2019-04-01
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
Volume16Issue:4Pages:744-754
SubtypeArticle
Contribution Rank1
AbstractMountain water, which contributes 50% to 90% to the lower reaches of the watershed, has a considerably low utility efficiency. The water accessibility could be a quantitative measure of water scarcity in the mountains. It can be used effectively for emergency water shortage planning and water resource management. In the present study, Dongchuan District, a typical county in the Hengduan Mountains in Yunnan province of Southwest China, was selected as the study area, and the minimal cumulative resistance (MCR) model was used to simulate the least-cost path (LCP) from 1255 point features of natural villages, as well as 12,368 dryfield centroids, to their respective surrounding river systems, which serve as a source for emergency drinking water and irrigation during droughts. The average length of the LCP for each administrative village was calculated to represent the accessibility to water sources for agricultural production and daily life in these mountain villages. The distribution of population and dryfields, as well as other geographic elements, were analyzed to classify the degree of water scarcity in these villages. The results indicate that the area facing the highest risk of water shortage for agricultural irrigation is located in northern Dongchuan, in particular along the two sides of the Xiaojiang Valley, and that the area with the highest risk of water shortage for daily life needs is located along the Xiaojiang Valley.
KeywordWater scarcity Mountains Water accessibility MCR model Dongchuan District
DOI10.1007/s11629-018-4964-8
Indexed BySCI
WOS KeywordCLIMATE-CHANGE
Language英语
Funding ProjectNational Program on Key Basic Research Project (973 Program)[2015CB452706]
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000464752500002
Funding OrganizationNational Program on Key Basic Research Project (973 Program)
PublisherSCIENCE PRESS
EI Accession NumberSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/25901
Collection中国科学院水利部成都山地灾害与环境研究所
Corresponding AuthorDeng Wei
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Sichuan, Peoples R China;
2.Yunnan Univ Finance & Econ, Sch Urban & Environm, Kunming 650221, Yunnan, Peoples R China;
3.Univ Chinese Acad Sci, Coll Resources & Environm, 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
Li Jie,Deng Wei,Zhang Ji-fei. Evaluating mountain water scarcity on the county scale: a case study of Dongchuan District, Kunming, China[J]. JOURNAL OF MOUNTAIN SCIENCE,2019,16(4):744-754.
APA Li Jie,Deng Wei,&Zhang Ji-fei.(2019).Evaluating mountain water scarcity on the county scale: a case study of Dongchuan District, Kunming, China.JOURNAL OF MOUNTAIN SCIENCE,16(4),744-754.
MLA Li Jie,et al."Evaluating mountain water scarcity on the county scale: a case study of Dongchuan District, Kunming, China".JOURNAL OF MOUNTAIN SCIENCE 16.4(2019):744-754.
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