MoGIRE: A Model for Integrated Water Management

In a context of water scarcity where competition for water allocation is increasing, modelers are often asked to move from specific water use models (either agricultural, industrial or residential) toward more integrated frameworks including an explicit representation off water users relation- ships. This is the main objective of MoGIRE ("Modele pour la Gestion Integree de la Ressource en Eau") which is a model developed by an interdisciplinary team for integrated water manage- ment at the river basin level. MoGIRE includes a nodal representation of the water network and allows to optimize water use under several possible scenarios (agronomic, climatic or economic). Agricultural, urban and environmental water uses are represented in MoGIRE using mathematical programming and econometric approaches. The model optimizes at each date the allocation of water across agricultural and urban water demands in order to maximize the social surplus derived from water consumption given the constraints imposed by the water network. An application of the model is proposed for the Neste system located in South-West of France.

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