Resumo

JESUS-SALAZAR, Julio César  e  MEJIA-MARCACUZCO, Jesús Abel. A methodology for concerted water allocation (CONWA). Tecnol. cienc. agua [online]. 2014, vol.5, n.1, pp.165-174. ISSN 2007-2422.

In recent decades, many models have been developed for simulation and mathematical optimization to solve the complexity of cross of natural and social variables domain for an integrated water resources management (IWRM); unfortunately, most of these applications do not incorporate the concept of equity in their quantitative estimates. This situation represents a limiting factor in the balance of resolution of conflicts over water use. This paper presents the methodology applied in a tutorial project of a pilot watershed, to develop a tool for integrated water resources management incorporating into a single architecture three fundamental components: Equity, Sustainability and Efficiency. The methodology for concerted water allocation (CONWA) has two stages: 1) assigns initial water use rights using a river basin node-link network and three allocation methods: the priority-based multiperiodo maximal network flow programming, modified riparian water rights allocation and lexicographic minimax water shortage ratios. 2) The second stage reassigns the rights to achieve efficient use of water through transfers of value; the reallocation of the net profit associated is carried out by applying the theory of Cooperative Games. This method was applied in a CHVS tutorial watershed, comprising four sub basins of a Pilot Regional Government, yielding high net benefits under simulated participation of a large alliance of actors.

Palavras-chave : concerted allocation; reallocation; water use rights; water management.

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