Multi-criteria Decision Support System for Siemianowka Reservoir under Uncertainties

Kiczko, A. (2008). Multi-criteria Decision Support System for Siemianowka Reservoir under Uncertainties. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-08-026

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Abstract

Protection of biodiversity against climatic variations became recently one of the most important issues in water management politics. In the case of a river system it is necessary to provide desirable water conditions for protected ecosystems. This paper presents an application of a Multiple Criteria Decision Suppport System for optimal management of a reservoir located in NE Poland in the Upper Narew Basin. The proposed system allows tradeoff between different reservoir users, including protected wetland ecosystems of the Narew Nation Park to be found.

The most challenging task was to take the account of inherent uncertainties related to the model structure. It was done using stochastic formulation of the reservoir control problem. Optimisation was carried out for several criteria:wetland water requirements, agricultural, energy production, flood protection, fishery and reservoir storage. The goal was to achieve a desirable water management regime within the defined safety levels. These highly nonliniear constrains were met through the minimisation of convex functions by solving a linear programming problem within Multiple Criteria Analysis.

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