Author(s): Gustavoe Diaz; Thomasc Brown

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Abstract: This paper introduces AQUARIUS, a state-of-art computer model devoted to the temporal and spatial allocation of water among competing uses in a river basin. Version 96 of the model is driven by an economic efficiency operational criterion that calls for the reallocation of stream flows until the net marginal returns in all water uses are equal; that is, until a Pareto optimal arrangement is reached. This is achieved by systematically examining -- using nonlinear optimization -- the feasibility of reallocating unused or marginally valuable storage and releases in favor of alternative uses. Because water systems components can be interpreted as objects of a flow network in which they interact, the model considers each component of a water system as an equivalent node or link in the programming environment using an object-oriented programing language (C++). Future versions will allow simulation of existing allocation rules and priorities.

DOI:

Year: 1997