Development of methods to get environmental maps in a estuary located at Pernambuco state, Brazil

作者：Goncalves R M^*; Vasconcelos T L; Barbosa C C A; Valdevino D S; Sa L A C M; Krueger C P

来源：Journal of Coastal Research, 2011, 1336-1339.

• Cartography
• Coastal Mapping
• Remote Sensing

Goncalves, R. M., Vasconcelos, T. L., Barbosa C.C.A, Valdevino, D. S., S, L. A. C. M. and Krueger, C. P., 2011. Study of methods to obtain enviromental maps in a estuary located at Pernambuco state, Brazil. Journal of Coastal Research, SI 64 (Proceedings of the 11th International Coastal Symposium), 1336 - 1339. Szczecin, Poland, ISSN 0749-0208
Environmental maps showing marine ecosystems are very useful for providing baseline information for coastal management. The cartographic information of this kind of thematic map should explore the real scenario to understand the ecosystems. In this particularly case of Brazil, with continental extension there is a potential for impacts from activities developed near the shoreline, among which as an example are those related to the oil industry. The cartographic documents can be used for environmental analyses and management and should contain relevant information about coastal zones. Two methods are applied for the production of the cartographic documents. The first one used traditional methods of interpretation, manual vectorization, generalization and edition. And the second used a supervised classification technique to obtain information of the pre-selected classes like hydrograph, vegetation, mangrove, main roads, and urban zones. In this regard high resolution images are important for update and get more detail information of an estuary. The materials used for experimental tests were high resolution satellite images with spatial resolution of 0.60m. This contribution makes the assessment of both techniques showing the maps and a list of advantages and disadvantages. The results of the study provide users the option to visualize a classified image that contains more detailed information than the traditional maps and also the results are important in a case of environmental management.

• 出版日期2011