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Article

Optimal Allocation of Surface Water Resources at the Provincial Level in the Uzbekistan Region of the Amudarya River Basin

by 1,2,3,4,5, 1,2,4,5,6,*, 7, 8, 1,2,3,4,5 and 1,4,5
1
State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
2
University of Chinese Academy of Sciences, Beijing 100049, China
3
Department of Geography, Ghent University, 9000 Ghent, Belgium
4
Sino-Belgian Joint Laboratory of Geo-Information, 9000 Ghent, Belgium
5
Sino-Belgian Joint Laboratory of Geo-Information, Urumqi 830011, China
6
Research Center for Ecology and Environment of Central Asia, Chinese Academy of Sciences, Urumqi 830011, China
7
School of Management, Xinjiang Agricultural University, Urumqi 830052, China
8
College of Tourism and Geogrphy, Jiujiang University, Jiujiang 332000, China
*
Author to whom correspondence should be addressed.
Academic Editor: Hao Wang
Water 2021, 13(11), 1446; https://doi.org/10.3390/w13111446
Received: 29 March 2021 / Revised: 6 May 2021 / Accepted: 17 May 2021 / Published: 21 May 2021
Water users in the Amudarya River Basin in Uzbekistan are suffering severe water use competition and uneven water allocation, which seriously threatens ecosystems, as shown, for example, in the well-known Aral Sea catastrophe. This study explores the optimized water allocation schemes in the study area at the provincial level under different incoming flow levels, based on the current water distribution quotas among riparian nations, which are usually ignored in related research. The optimization model of the inexact two-stage stochastic programming method is used, which is characterized by probability distributions and interval values. Results show that (1) water allocation is redistributed among five different sectors. Livestock, industrial, and municipality have the highest water allocation priority, and water competition mainly exists in the other two sectors of irrigation and ecology; (2) water allocation is redistributed among six different provinces, and allocated water only in Bukhara and Khorezm can satisfy the upper bound of water demand; (3) the ecological sector can receive a guaranteed water allocation of 8.237–12.354 km3; (4) under high incoming flow level, compared with the actual water distribution, the total allocated water of four sectors (except for ecology) is reduced by 3.706 km3 and total economic benefits are increased by USD 3.885B. View Full-Text
Keywords: Uzbekistan; Amudarya River; water allocation; optimization; ITSP method; Aral Sea Uzbekistan; Amudarya River; water allocation; optimization; ITSP method; Aral Sea
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MDPI and ACS Style

Wang, M.; Chen, X.; Sidike, A.; Cao, L.; DeMaeyer, P.; Kurban, A. Optimal Allocation of Surface Water Resources at the Provincial Level in the Uzbekistan Region of the Amudarya River Basin. Water 2021, 13, 1446. https://doi.org/10.3390/w13111446

AMA Style

Wang M, Chen X, Sidike A, Cao L, DeMaeyer P, Kurban A. Optimal Allocation of Surface Water Resources at the Provincial Level in the Uzbekistan Region of the Amudarya River Basin. Water. 2021; 13(11):1446. https://doi.org/10.3390/w13111446

Chicago/Turabian Style

Wang, Min, Xi Chen, Ayetiguli Sidike, Liangzhong Cao, Philippe DeMaeyer, and Alishir Kurban. 2021. "Optimal Allocation of Surface Water Resources at the Provincial Level in the Uzbekistan Region of the Amudarya River Basin" Water 13, no. 11: 1446. https://doi.org/10.3390/w13111446

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