Estimation of water budget and management using simulation models: Case of the Cabe river basin

Currently, there are mathematical methods and models for the calculation and simulation of the hydrological cycle, which is a fundamental stage for the correct accounting of water resources in a basin. The objective of this work is to carry out a new assembly of hydrological simulation and water resources management models, as well as to evaluate their performance by contrasting the results with the official data reported in the current Hydrological Plan, for the Cabe river sub-basin, in Galicia, Spain. The results of the hydrological simulations obtained were compared with two similar studies in the region to verify their validity. Finally, in the water resources management simulation stage, it was found that the results of this study present a greater approximation to the observed data compared to the results reported in the current Hydrological Plan. In this way, it is considered that the assembly of methods and models proposed in this work is a contribution to obtain quality results that help to improve the situations of the current management of resources in the Cabe river region, as well as to face the impacts of climate change on water resources.