USE OF GIS IN IDENTIFICATION OF RISK AREAS AND SOCIAL VULNERABILITY DUE TO LOCAL RAINFALL

Abstract

This study aimed to present the contributions of GIS to detect areas of risk and social vulnerability in João Pessoa City, according to obtained data from civil defense. The spatial distribution of the region's communities was accomplished and extracted risk areas that have been affected with the precipitation anomalies occurred in the years 2011 and 2012. Also, maps of topography were obtained and slope hypsometric eminent assess the risks of irregular occupations in the study area. Finally, João Pessoa lacks management policies for the appropriate use of the soil and for natural disaster prevention.