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Water 2016, 8(1), 28; doi:10.3390/w8010028

Extraction and Preference Ordering of Multireservoir Water Supply Rules in Dry Years

1,†
,
1,†,* , 2
and
2
1
School of Hydropower and Information Engineering, Huazhong University of Science and Technology, 1037 Luoyu Rd., Wuhan 430074, China
2
Changjiang Institute of Survey, Planning, Design and Research, No. 1863, Jiefang Ave., Wuhan 430010, China
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Davide Viaggi
Received: 19 October 2015 / Revised: 9 January 2016 / Accepted: 13 January 2016 / Published: 20 January 2016
(This article belongs to the Collection Water Policy Collection)
View Full-Text   |   Download PDF [2188 KB, uploaded 20 January 2016]   |  

Abstract

This paper presents a new methodology of combined use of the nondominated sorting genetic algorithm II (NSGA-II) and the approach of successive elimination of alternatives based on order and degree of efficiency (SEABODE) in identifying the most preferred multireservoir water supply rules in dry years. First, the suggested operation rules consists of a two-point type time-varying hedging policy for a single reservoir and a simple proportional allocation policy of common water demand between two parallel reservoirs. Then, the NSGA-II is employed to derive enough noninferior operation rules (design alternatives) in terms of two conflicting objectives (1) minimizing the total deficit ratio (TDR) of all demands of the entire system in operation horizon, and (2) minimizing the maximum deficit ratio (MDR) of water supply in a single period. Next, the SEABODE, a multicriteria decision making (MCDM) procedure, is applied to further eliminate alternatives based on the concept of efficiency of order k with degree p. In SEABODE, the reservoir performance indices and water shortage indices are selected as evaluation criteria for preference ordering among the design alternatives obtained by NSGA-II. The proposed methodology was tested on a regional water supply system with three reservoirs located in the Jialing River, China, where the results demonstrate its applicability and merits. View Full-Text
Keywords: efficiency of order k; hedging policy; multireservoir system; water supply; NSGA-II; preference ordering efficiency of order k; hedging policy; multireservoir system; water supply; NSGA-II; preference ordering
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Kang, L.; Zhang, S.; Ding, Y.; He, X. Extraction and Preference Ordering of Multireservoir Water Supply Rules in Dry Years. Water 2016, 8, 28.

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