2013
DOI: 10.11137/2012_2_105_123
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Análises Geomorfológicas do Platô de Teresópolis e da Serra do Mar, RJ,com o Auxílio de Seppômen e ASTER GDEM e sua Relação aos Tectonismos Cenozoicos

Abstract: ResumoEste trabalho apresenta análises geomorfológicas do Platô de Teresópolis, a escarpa da Serra do Mar e as áreas adjacentes, RJ, com o auxílio da técnica de seppômen e os dados topográficos de satélite ASTER GDEM e, sua relação ao tectonismo cenozoico. De acordo com o mapa de seppômen da grade de 4 km, a área estudada é dividida em três domínios geomorfológicos, a Baixada Fluminense (RJL), a escarpa da Serra do Mar (SMS) e o Platô de Teresópolis (TRH). A Baixada Fluminense, que corresponde à área do Graben… Show more

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Cited by 3 publications
(3 citation statements)
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“…16) is aligned with Precambrian Ribeira Belt structural trends, parallels the faulted, uplifted range front escarpment of the Serra da Mantiqueira, and contains Upper Oligocene to Eocene sedimentary rocks that are themselves cross-cut by normal faults (Padilha et al, 1991). The authors of a recent geomorphic analysis of summit surfaces in the Serra do Mar (Aires et al, 2012) proposed that km-scale normal faulting occurred during the Cenozoic. As in Scandinavia, the present-day stress field in much of Southeast Brasil is generally considered slightly compressive (Riccomini et al, 1989;Riccomini & Assumpção, 1999;Salomon et al, 2014).…”
Section: The Model Abroadmentioning
confidence: 82%
“…16) is aligned with Precambrian Ribeira Belt structural trends, parallels the faulted, uplifted range front escarpment of the Serra da Mantiqueira, and contains Upper Oligocene to Eocene sedimentary rocks that are themselves cross-cut by normal faults (Padilha et al, 1991). The authors of a recent geomorphic analysis of summit surfaces in the Serra do Mar (Aires et al, 2012) proposed that km-scale normal faulting occurred during the Cenozoic. As in Scandinavia, the present-day stress field in much of Southeast Brasil is generally considered slightly compressive (Riccomini et al, 1989;Riccomini & Assumpção, 1999;Salomon et al, 2014).…”
Section: The Model Abroadmentioning
confidence: 82%
“…Motoki et al (2008), Aires et al (2012), dentre outros, utilizam uma técnica de análise de paleorrelevo denominada seppômen, onde a área é dividida em grades (linhas verticais e horizontais igualmente espaçadas) que formam retângulos, de onde são extraídos os pontos de maior cota altimétrica. Esta corrente de estudos mais recentes vem sendo muito útil para identificação de atividade neotectônica e também episódios de aplanamentos antigos.…”
Section: Introductionunclassified
“…To construct the paleosurface of the Capiá drainage basin, the methodology presented byTavares (2010) was used, which consists of interpolating spot height from topographic maps or the closure of contour lines generated from the DEM. Following the proposal byAires et al (2012), to extract the spot height, digital maps at a scale of 1:250,000 from the 1970s, 1980s and 1990s were used, provided by the Army Geographic Database (BDGEx) that were processed in the Geostatistical Wizard software. Ordinary kriging was used because it considers the stationarity of the mean at the local scale and because it has been used to reconstitute topographical meshes in previous studies, showing satisfactory results (e.g.,SISKA et al 2005).…”
mentioning
confidence: 99%