Estabelecimento de vazões de outorga na bacia hidrográfica do Alto Sapucaí, com a utilização de sazonalidade

Abstract

In spite of you renewed, the water resources is limited and not always enough to assist all the users simultaneously. With the increase of the demand becomes necessary to regulate the distribution of this natural resource, to avoid conflicts and to assure the use right of the water to all the citizens. The instrument used for that control is the right of use of the waters. This work has as objective to subsidize the Committee of Hidrografic Basin Rio Sapucaí indicating rights of discharges for this basin. The discharge to be granted will be, always, 30% of the discharge of reference Q7,10, for dries periods and a value above this for growing season. A compilation of the legislation that aids this instrument of management of water resources, as well as the characterization of the area of the basin of high Sapucaí, dividing it in six sub-basins for a better detailed study. It shows the establishment of discharges Q7,10 for 26 flowmeters stations, located inside and out of basin of the high Sapucaí, that served as base for obtaining the grant discharges in any point of the basin, applying to those discharges a monthly factor of correction seasonal. This seasonal factor provides to the manager to increase the discharges in months of larger water offering. In the studies of cases, they were compared the grant discharges authorized by the Instituto Mineiro de Gestão das Águas (IGAM), in some points of the basin, with the discharges specified by this study.