NDLI: Sensitivity and vulnerability of water resources in the arid Shiyang River Basin of Northwest China

Content Provider	Springer Nature Link
Author	Bu, HongMei Chen, JunXu Hong, Si Xia, Jun Wan, Long Ning, LiKe
Copyright Year	2014
Abstract	The sensitivity and vulnerability of water resources to climate change is difficult to assess. In this study, we used a conceptual hydrologic model to investigate the sensitivity of streamflow to climate change. We also proposed a framework to evaluate the vulnerability of water resources in arid regions. We applied this framework to a case study of the Shiyang River Basin in Northwest China. Results showed that the precipitation and streamflow in Shiyang River Basin exhibited no significant trends of change from 1956 to 2010. In the past five decades, however, the temperature increased significantly by 0.37°C per decade. According to the sensitivity assessment, a 10% increase in precipitation and a 1°C increase in temperature altered mean annual streamflow by averages of 14.6% and −0.5%, respectively, from 1988 to 2005. In the 2000s, the calculated vulnerability of water resources in Shiyang River Basin was more than 0.95, indicating severe vulnerability. The increase in the amount of precipitation and the implementation of water-saving measures can reduce the vulnerability of water resources in the future; if precipitation increases by 10% per decade and the use of irrigation water decreases by 15% in the 2030s, the evaluated value of water resources vulnerability will be reduced to 0.79. However, the region remains highly vulnerable. The proposed framework for vulnerability assessment can be applied to the arid regions in Northwest China, and the results of our efforts can identify adaptation strategies and improve the management of water resources in such regions.
Starting Page	656
Ending Page	667
Page Count	12
File Format	PDF
ISSN	16746767
Journal	Journal of Arid Land
Volume Number	6
Issue Number	6
e-ISSN	21947783
Language	English
Publisher	Science Press
Publisher Date	2014-05-31
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Sustainable Development Physical Geography water resources vulnerability streamflow sensitivity climate change arid regions Plant Ecology
Content Type	Text
Resource Type	Article
Subject	Earth-Surface Processes Water Science and Technology Management, Monitoring, Policy and Law

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