Avaliação de disponibilidades hídricas superficiais para outorga aplicando-se critérios de prioridade no atendimento de demandas na bacia do Rio Paraguaçu-Ba

Abstract

This research seeks to apply and assess a decision support model that incorporates the concepts of demand fulfillment probability and prioritization of water resource usage within the Paraguaçu River basin, designed to facilitate the allocation of water rights. By establishing regional functions to assess minimum flows in the Paraguaçu river basin – employing the traditional method of flow regionalization and cluster analysis – the research successfully delineated hydrologically homogeneous regions and estimated their water availability. Through collaboration with the Bahia Institute of Environment and Water Resources (INEMA), the study identified the demands of the Paraguaçu River Basin. By integrating estimated water availability with these demands into a decision support model, the study effectively generated simulated scenarios for allocating water resources. These scenarios take into account the influence of seasonality and provide guidance for managers to interactively and promptly identify which demands should be temporarily suspended to ensure compliance with the priorities of use established by the National Water Resources Policy. Furthermore, the research aligns with the sustainable development goals of the United Nations (UN), contributing to the assurance of water accessibility, environmental preservation, and the promotion of socio-economic development for both current and future generations.