ANALYSIS OF BACKFILLING BY SEDIMENTATION OF A MULTI-PURPOSE RESERVOAR USING GIS MODELING ON THE EXAMPLE OF THE MODRAC HYDRO RESERVOIR
Reservoirs are water management facilities that allow the regulation of the natural runoff regime. Depending on the natural characteristics of the hydrological system, the need for water and the volumetric capacity of the reservoir, and the characteristics of the evacuation organs, it is possible to manage the water resources of the basin. The increasing depletion of natural water resources and the increasing problems with meeting water needs have emphasized the need for the construction of reservoirs, often with multi-year equalization, as an integral element of integrated water resources management. Water resources management includes a number of activities such as planning, design, construction, management, maintenance, monitoring and control of constructed facilities, in order to assess and increase their efficiency. Accordingly, it is necessary to specifically plan all activities in relation to reservoirs as key facilities for managing the water regime of a basin. Keywords: multipurpose reservoir, water resources, sediment, catchment area, sedimentation, GIS modeling