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A comparison for a multiscale study of structural lineaments in southern Brazil: LANDSAT-7 ETM+ and shaded relief images from SRTM3-DEM Anais da ABC (AABC)
Jacques,Patricia D.; Machado,Romulo; Nummer,Alexis R..
This paper presents a comparison of descriptive statistics obtained for brittle structural lineaments extracted manually from LANDSAT images and shaded relief images from SRTM 3 DEM at 1:100, 000 and 1:500, 000 scales. The selected area is located in the southern of Brazil and comprises Precambrian rocks and stratigraphic units of the Paraná Basin. The application of this methodology shows that the visual interpretation depends on the kind of remote sensing image. The resulting descriptive statistics obtained for lineaments extracted from the images do not follow the same pattern according to the scale adopted. The main direction obtained for Proterozoic rocks using both image types at a 1:500, 000 scale are close to NS±10, whereas at a 1:100, 000 scale...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Landsat images; Remote sensing; SRTM; Santa Catarina; Statistics; Structural lineaments.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652012000400008
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Neotectonics as a structural control of the boundaries of the Pantanal Matogrossense Sub-Regions Anais da ABC (AABC)
MIOTO,CAMILA L.; AMORIM,GUSTAVO; MACHADO,ROMULO; DALMAS,FABRÍCIO B.; OLIVEIRA,ANA PAULA G.; SAAD,ANTONIO R.; DIODATO,MARCO ANTONIO; FILHO,ANTONIO C. PARANHOS.
Abstract: Characterized by fluvio-alluvial sedimentation processes, the heterogeneity in the Pantanal Basin allows its division in several sub-regions, which present natural characteristics of their own. It is possible to find in the literature different proposals to subdivide the Pantanal plain, which vary in total area and number of sub-regions. Each author uses specific criteria – mainly vegetation, soil and humidity – in his delimitation, but does not consider the tectonic aspects of the basin. In this sense, we intend to analyze three Pantanal delimitations from the literature and to relate them to the neotectonic context of the Pantanal plain by comparing the boundaries proposed in the delimitations to structural lineaments present in the basin. As a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Remote sensing; Structural lineaments; Geoecological context; Paraguay River Basin.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652019000100503
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The expression of neotectonics in the Pantanal da Nhecolândia, State of Mato Grosso do Sul - Brazil Anais da ABC (AABC)
OLIVEIRA,ANA PAULA G.; MACHADO,RÔMULO; RIBEIRO,ALISSON A.; MIOTO,CAMILA L.; MARCATO JÚNIOR,JOSÉ; SAAD,ANTONIO R.; SÍGOLO,JOEL B.; PARANHOS FILHO,ANTONIO C..
ABSTRACT Pantanal da Nhecolândia is one of the most well-preserved areas in the State of Mato Grosso do Sul. Located in the southern part of the Taquari River megafan, it is in tectonic contact with the fault escarpments of the Maracaju-Campo Grande plateaus to the east and with the fault escarpments of the Bodoquena plateau to the west, which continue to north. To the south and to the north, the limits are marked respectively by the lineaments of the Negro and Taquari Rivers. Nhecolândia is characterized by the existence of at least 17,631 lagoons, 17,050 (96.70 %) of which are of fresh water (baías) and 577 (3.3 %) of salty water (salinas). Studies based on (Landsat) satellite images and use of free software (QGIS, version 2.8.3) and GIS (Geographic...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Structural lineaments; Nhecolândia; Lagoon alignment; Landsat Images; QGIS.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000401293
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