Considerações e aplicações da modelagem conceitual de um banco de dados geográfico: estudo de caso do município de Marabá - Pa

Abstract

A perceived problem in the urban expansion is the invasion of risk areas by citizens during the time of rains and floods. The natural disaster of flooding brings damages to the health, harms the performance of essential services, especially related with the distribution of electric energy and the basic sanitation among others. The present monograph has as objective to make the description of the conceptual and logical modeling of a Geographic Database - GD with case study in Marabá City, State of Pará. This research is part of a ampler project where objective to develop a Geographic Information System of the Marabá City - SIGMA, the system has as intention the management of the urban spaces of the City. The conceptual models implemented at the oldest quarter in the City will complement the base for the development of the Thematic Maps of the SIGMA - Geographic Information System of the Marabá City. The shaped geographic reality for the problem of financial management of the risks was characterized for presenting high level of abstraction. It also allowed to represent and to differentiate the diverse types of involved data, to represent the space relations and its properties, independent being of the implementation and being of easy visualization and understanding.