Mapeamento Geomorfológico da Folha Ouricuri - Pernambuco, Através da Utilização de Softwares de Geoprocessamento (Geomorphological Mapping in Ouricuri - Pernambuco, Using of GIS Software)
DOI:
https://doi.org/10.26848/rbgf.v5i5.232819Keywords:
Geotecnologias, Geomorfologia, FotointerpretaçãoAbstract
As geotecnologias representam um novo pacote de ferramentas que contribuem para a análise das feições geomorfológicas. Através de softwares que possibilitam uma representação tridimensional das imagens é possível realizar diagnósticos com dados morfométricos, como altimétria e declividade, que podem ser conjugados com outras técnicas, tais como a fotointerpretação de fotografias aéreas com o uso da estereoscopia e de anaglifos expande o potencial da análise geomorfológica. Assim, o presente trabalho tem como objetivo mostrar a importância da utilização das geotecnologias no estudo geomorfológico. Foram utilizadas imagens do radar SRTM (Shuttle Radar Topography Mission), mapas temáticos e fotografias aéreas, além de dados pré-existentes da geologia local. A área geográfica em estudo corresponde a Folha Ouricuri SB.24-Y-D-IV, Estado de Pernambuco, onde se encontram rochas ígneas e metamórficas Pré-cambrianas e sedimentos Cenozóicos. O mapa geomorfológico foi confeccionado na escala de 1:250.000, representando os domínios morfoestruturais e morfoesculturais do terreno.
Palavras-Chave: Geotecnologias, Geomorfologia, Fotointerpretação.
Geomorphological Mapping in Ouricuri - Pernambuco, Using of GIS Software
ABSTRACT
The geotechnologies represent a new package of tools that contribute to the analysis of the geomorphological features. Through a software that enables three-dimensional representation of images is possible to perform diagnostics with morphometric data such as elevation and slope, which can be combined with other techniques, such as photo-interpretation of aerial photographs using the anaglyph stereoscopy and expands the potential of geomorphological analysis. Thus, this paper aims to show the importance of the use of geotechnologies in geomorphological study. We used radar images SRTM (Shuttle Radar Topography Mission), thematic maps and aerial photographs, and pre-existing data of the local geology. The geographic area under study corresponds to Sheet Ouricuri SB.24-YD-IV, State of Pernambuco, where there are igneous and metamorphic Pre-Cambrian and Cenozoic sediments. The geomorphological map was prepared at 1:250,000 scale, depicting the areas and morphostructural and morfoesculturais terrain.
Keywords: Geotechnologies, Geomorphology, Photointerpretation.
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