Adaptation strategies for water supply management in a drought prone Mediterranean river basin: Application of outranking method

被引:40
作者
Kumar, Vikas [1 ]
Del Vasto-Terrientes, Luis [2 ]
Valls, Aida [2 ]
Schuhmacher, Marta [1 ]
机构
[1] Univ Rovira & Virgili, Environm Anal & Management Grp, Dept Engn Quim, E-43007 Tarragona, Spain
[2] Univ Rovira & Virgili, ITAKA Res Grp, Dept Engn Informat & Matemat, E-43007 Tarragona, Spain
关键词
Multicriteria analysis; ELECTRE-III-H; Water allocation problem; Water demand scenario; Catchment management; CLIMATE-CHANGE; IMPACT; MODEL; ECOSYSTEMS; SERVICES;
D O I
10.1016/j.scitotenv.2015.06.062
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The regional water allocation planning is one of those complex derision problems where holistic approach to water supply management considering different criteria would be valuable. However, multi-criteria decision making with diverse indicators measured on different scales and uncertainty levels is difficult to solve. Objective of this paper is to develop scenarios for the future imbalances in water supply and demand for a water stressed Mediterranean area of Northern Spain (Tarragona) and to test the applicability and suitability of an outranking method ELECTRE-III-H for evaluating sectoral water allocation policies. This study is focused on the use of alternative water supply scenarios to fulfil the demand of water from three major sectors: domestic, industrial and agricultural. A detail scenario planning for regional water demand and supply has been discussed. For each future scenario of climate change, the goal is to obtain a ranking of a set of possible actions with regards to different types of indicators (costs, water stress and environmental impact). The analytical method used is based on outranking models for derision aid with hierarchical structures of criteria and ranking alternatives using partial preorders based on pail-wise preference relations. We compare several adaptation measures including alternative water sources (reclaimed water and desalination); inter basin water transfer and sectoral demand management coming from industry, agriculture and domestic sectors and tested the sustainability of management actions for different climate change scenarios. Results have shown use of alternative water resources as the most reliable alternative with medium reclaimed water reuse in industry and agriculture and low to medium use of desalination water in domestic and industrial sectors as the best alternative. The proposed method has several advantages such as the management of heterogeneous scales of measurement without requiring any artificial transformation and the management of uncertainty by means of comparisons at a qualitative level in terms of the decision maker preferences. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:344 / 357
页数:14
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