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Proceedings of the International Association of Hydrological Sciences An open-access publication for refereed proceedings in hydrology

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Proc. IAHS, 379, 313-321, 2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Pre-conference publication
05 Jun 2018
Temporal and spatial variation of hydrological condition in the Ziwu River Basin of the Han River in China
Ziyan Li1, Dengfeng Liu1,2, Qiang Huang1, Tao Bai1, Shuai Zhou1, and Mu Lin3 1State Key Laboratory of Eco-hydraulics in Northwest Arid Region of China, School of Water Resources and Hydropower Engineering, Xi'an University of Technology, Xi'an, 710048, China
2Department of Land Resources and Environmental Sciences, Montana State University, Bozeman, MT 59717, USA
3School of statistics and Mathematics, Central University of Finance and Economics, Beijing 100081, China
Abstract. The middle route of South-To-North Water Diversion in China transfers water from the Han River and Han-To-Wei Water Diversion project of Shaanxi Province will transfer water from the Ziwu River, which is a tributary of the Han River. In order to gain a better understanding of future changes in the hydrological conditions within the Ziwu River basin, a Mann–Kendall (M–K) trend analysis is coupled with a persistence analysis using the rescaled range analysis (R/S) method. The future change in the hydrological characteristics of the Ziwu River basin is obtained by analysing the change of meteorological factors. The results show that, the future precipitation and potential evaporation are seasonal, and the spatial variation is significant. The proportion of basin area where the spring, summer, autumn and winter precipitation is predicted to continue increase is 0.00, 100.00, 19.00 and 16.00 %, meanwhile, the proportion of basin area that will continue to decrease in the future respectively will be 100.00, 0.00, 81.00 and 74.00 %.The future potential evapotranspiration of the four seasons in the basin shows a decreasing trend. The future water supply situation in the spring and autumn of the Ziwu River basin will degrade, and the future water supply situation in the summer and winter will improve. In addition, the areas with the same water supply situation are relatively concentrated. The results will provide scientific basis for the planning and management of river basin water resources and socio-hydrological processes analysis.
Citation: Li, Z., Liu, D., Huang, Q., Bai, T., Zhou, S., and Lin, M.: Temporal and spatial variation of hydrological condition in the Ziwu River Basin of the Han River in China, Proc. IAHS, 379, 313-321,, 2018.
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