Modelación del drenaje fluvial en ciudades intermedias en escenarios de cambios climáticos extremos

Abstract

The increasing migration from the rural to the urban is directly related with the economic development, changes in the organization of the society, the use of soil and the cultural characteristics of a population. These situations alter the soil characteristics and create an impermeabilization to the rain generating a higher level of water runoff in events of high precipitation. As a consequence of climate change, whose tendency is increasing according to the Intergovernmental Panel of Climate Change, the intermediate cities, future development centers, must be prepared for the increasing water runoff. The present work has as goals, the modelling of pluvial drainage in an intermediate city such as Tunja in the province of Boyacá in Colombia under different scenarios of climate change, identifying the consequences of the climate events, their scope and their possible solutions. The runoff and the system behavior was modelled by the software Storm Water Management Model (SWMM) developed by the US Environmental Protection Agency (US-EPA) by means of parameters measured in the study area and several scenarios established by the Third National Communication of Climate Change, developed by the Institute of Hydrology, Meteorology and Environmental Studies (IDEAM). The obtained results show several risk situations of flooding because of increases in the pluvial drainage and also alternatives are presented with Urban Systems of Sustainable Drainage (SUDS), producing favorable results and solutions to the problematic of pluvial drainage. This research was funded by “Proactiva Aguas de Tunja”