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Inter-county virtual water flows of the Hetao irrigation district, China: A new perspective for water scarcity
Liu, Jing1,2,3; Sun, Shikun2,3,5; Wu, Pute1,2,3,4; Wang, Yubao2,3,5; Zhao, Xining2,3,4
2015-08-01
Source PublicationJOURNAL OF ARID ENVIRONMENTS
Volume119Pages:31-40
AbstractThe implementation of a virtual water trading policy at small and localized scales may potentially contribute to alleviating water scarcity and improving local water management. This study analyzed inter-county virtual water flows related to crop transfer and its relationship with water scarcity in the Hetao irrigation district during 2001-2010. The inter-county virtual water flows was 34.29 x 10(6) m(3)/y, and the largest exporter and importer were Dengkou and Qianqi counties, respectively. More than 90% of the virtual water flows originated from counties with lower water stress and was transferred to those with higher water stress. The water scarcity index (the ratio of water withdrawal to availability) was negatively correlated with virtual water balance (the difference between virtual water exports and imports). Counties with relatively high water stress benefited from the current pattern of virtual water flows, but the Hetao irrigation district lost 1.96 x 10(6) m(3) of water annually. In the future, a more accurate evaluation of virtual water flows and a comprehensive understanding of the concept of water scarcity are needed for alleviating water scarcity and forming better production and trade strategies at the scale of irrigation districts. (C) 2015 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordVirtual Water Inter-regional Crop Trade Water Scarcity Irrigation District
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
WOS Subject ExtendedEnvironmental Sciences & Ecology
WOS KeywordPAST 50 YEARS ; INTERNATIONAL-TRADE ; RESOURCES ; FOOTPRINT ; PRODUCTS ; IMPACTS ; VARIABILITY ; DISCHARGE ; SECURITY ; FOOD
Indexed BySCI
Language英语
WOS SubjectEcology ; Environmental Sciences
WOS IDWOS:000355050500005
PublisherACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/67890
Collection中国科学院地理科学与资源研究所
Corresponding AuthorWu, Pute
Affiliation1.Northwest A&F Univ, Inst Soil & Water Conservat, Yangling 712100, Peoples R China
2.Northwest A&F Univ, Inst Water Saving Agr Arid Reg China, Yangling 712100, Peoples R China
3.Natl Engn Res Ctr Water Saving Irrigat Yangling, Yangling 712100, Peoples R China
4.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
5.Northwest A&F Univ, Minist Educ, Key Lab Agr Soil & Water Engn Arid Area, Yangling 712100, Peoples R China
Recommended Citation
GB/T 7714
Liu, Jing,Sun, Shikun,Wu, Pute,et al. Inter-county virtual water flows of the Hetao irrigation district, China: A new perspective for water scarcity[J]. JOURNAL OF ARID ENVIRONMENTS,2015,119:31-40.
APA Liu, Jing,Sun, Shikun,Wu, Pute,Wang, Yubao,&Zhao, Xining.(2015).Inter-county virtual water flows of the Hetao irrigation district, China: A new perspective for water scarcity.JOURNAL OF ARID ENVIRONMENTS,119,31-40.
MLA Liu, Jing,et al."Inter-county virtual water flows of the Hetao irrigation district, China: A new perspective for water scarcity".JOURNAL OF ARID ENVIRONMENTS 119(2015):31-40.
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