The implementation of two detailed (high resolution) aerophotogrammetric projects made possible to update the digital cartographic database of the entire municipal territory. The challenge of integrating spatial data among the main City Hall offices was faced with the implementation of proper hardware to manage spatial data, as well as with the training of city hall employees in the area of Geographic Information System and also with the acquisition of GIS software. Database feeding and maintenance occurred under coordination of the GIS Unit staff (which is located at the Department of Planning, Budget and Management), with the development of other smaller GIS units in the city hall main producer and consumer information departments, such as:
- Department of Finance;
- Secretary of Urban Infrastructure,
- Health Department;
- Environment Foundation;
- Institute of Research and Planning for Sustainable Development in Joinville;
- Joinville Tourism Foundation.
Activities done by the GIS units (under supervision of the GIS Unit located at the Department of Planning, Budget and Management) with the use of spatial information (maps), made possible the effective management of the municipal territory through the optimization on the control of tax payment polices, real estate and building rules, economic and environmental laws. These activities reduced city hall costs and increased the city budget and resources.
The use of high resolution digital cartographic data also allowed the development of digital elevation models for landslide evolution monitoring and digital flooding models to the urban area, significantly contributing to the understanding of the natural environment and yet to the mapping of the city geology, geomorphology, soils and vegetation, as well as natural disasters prevention and control.
Spatial data publishing through thematic maps on the websites of SIMGeo (http://simgeo.joinville.sc.gov.br/simgeo) and Cadastral Management System - SGC (http://pmj03.joinville.sc.gov.br) has as main objective to improve the access on municipal territory information for its citizens. Transparency on the public information access helps to fight corruption on the public administration.
Associated with these actions in the urban area, the project also included the multipurpose cadastre of all rural properties in the Joinville territory. It is important to mention that this is a pioneer activity in Brazil, where the city of Joinville was the only municipality (Brazil has a total of 5,565 municipalities) to achieve detailed multipurpose cadastre system of its entire territory. These actions goal is to achieve knowledge about the different aspects of the municipality in order to monitor 1,134 km2 of territory, so it will be possible to plan social, environmental, transport and tax aspects.
After the setting of SIMGeo project, other departments began to provide information to the database development, among which are the Education Department, Health Department and the Cultural Foundation of Joinville. The available data were spatialized (georeferenced) and allowed the analysis of the population and properties in a kind of detailed census, with the possibility of mapping areas of vulnerability and social exclusion and also to calculate the Human Development Index (HDI).
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