首页|Modeling demand/supply of water resources in the arid region of northwestern China during the late 1980s to 2010

Modeling demand/supply of water resources in the arid region of northwestern China during the late 1980s to 2010

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Water demand increases continuously with an increasing population and economic development.As a result,the difference between water supply and demand becomes a significant issue,especially in arid regions.To figure out the utilization of water resources in the arid region of northwestern China (ARNWC),and also to provide methodologies to predict the water use in future,three models were established in this study to calculate agricultural irrigation,industrial and domestic water use in the ARNWC from the late 1980s to 2010.Based on river discharges in the region,the supply and demand of water resources at the river basin level were analyzed.The results indicated that agricultural irrigation demand occupies more than 90％ of the total water use in the ARNWC.Total water demand increased from 31.97 km3 in the late 1980s to 48.19 km3 in 2010.Most river basins in this arid region were under medium and high water stress.Severe-risk river basins,such as the Shiyang river basin and the eastern part of the northern piedmont of the Tianshan Mountains,were found in this region.It was revealed that the water supply became critical from April to May,which was the season of the lowest water supply as determined by comparing monthly water consumption.

agricultural irrigation water demandindustrial water demanddomestic water demandtotal water demandsupply and demand of water resourcesarid region of northwestern China

LIU Xingran、SHEN Yanjun、GUO Ying、LI Shuo、GUO Bin

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Key Laboratory of Agricultural Water Resources, Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, CAS, Shijiazhuang 050021, China

University of Chinese Academy of Sciences, Beijing 100049, China

College of Geomatics, Shandong University of Science and Technology, Qingdao 266510, Shandong, China

National Key Project on Basic Research (973)National Science and Technology Project

2010CB9510032014BAD10B06

2015

10.1007/s11442-015-1188-5

地理学报(英文版)
中国地理学会,中国科学院地理科学与资源研究所

地理学报(英文版)

CSTPCDCSCDSCI
影响因子：1.307
ISSN：1009-637X
年,卷(期)：2015.25(5)
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