Physical attributes of the river basin of Roncador river associated to the landscape change in the municipality of Magé, Rio de Janeiro-Brazil
The objective of this study was to conduct a temporal analysis of biophysical attributes of the river basin of Rio Roncador, located in the municipality of Magé, Rio de Janeiro. SRTM data were used for the determination of the river basin morphometry and two images of the orbital platform Landsat5 T...
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Universidade Federal de Uberlândia
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doaj-35b168c333f14b01832f75405e70fb0d2021-06-29T13:20:58ZengUniversidade Federal de UberlândiaBioscience Journal1981-31632018-05-0134310.14393/BJ-v34n3a2018-3671636716Physical attributes of the river basin of Roncador river associated to the landscape change in the municipality of Magé, Rio de Janeiro-BrazilRaquel de Oliveira SantosRafael Coll DelgadoMarcos Gervasio PereiraLeonardo Paula de SouzaThe objective of this study was to conduct a temporal analysis of biophysical attributes of the river basin of Rio Roncador, located in the municipality of Magé, Rio de Janeiro. SRTM data were used for the determination of the river basin morphometry and two images of the orbital platform Landsat5 TM sensor (01/28/1986 and 02/15/2010) applied the SEBAL algorithm to characterize the landscape dynamics. The results indicate that The river basin has a drainage area equivalent to 186.21 km2, perimeter 101.78 km, circularity index equal to 0.22, form factor 0.26 and compares index 2.09. These results indicate that the river basin is not prone to flooding, mainly due to its elongated form. It was possible to verify that in the interval of 24 years, degradation occurred in the region beyond the change in the coverage of the soil of the river basin. The results indicated a tendency of reduction in the areas of permanent preservation -13.4% of the river basin. It is concluded that anthropogenic actions were able to alter the surface cover of the soil and that, by the way, may have influenced the water dynamics of the river basin.http://www.seer.ufu.br/index.php/biosciencejournal/article/view/36716geoprocessingwater availabilityenvironmental disastersimage processing |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Raquel de Oliveira Santos Rafael Coll Delgado Marcos Gervasio Pereira Leonardo Paula de Souza |
spellingShingle |
Raquel de Oliveira Santos Rafael Coll Delgado Marcos Gervasio Pereira Leonardo Paula de Souza Physical attributes of the river basin of Roncador river associated to the landscape change in the municipality of Magé, Rio de Janeiro-Brazil Bioscience Journal geoprocessing water availability environmental disasters image processing |
author_facet |
Raquel de Oliveira Santos Rafael Coll Delgado Marcos Gervasio Pereira Leonardo Paula de Souza |
author_sort |
Raquel de Oliveira Santos |
title |
Physical attributes of the river basin of Roncador river associated to the landscape change in the municipality of Magé, Rio de Janeiro-Brazil |
title_short |
Physical attributes of the river basin of Roncador river associated to the landscape change in the municipality of Magé, Rio de Janeiro-Brazil |
title_full |
Physical attributes of the river basin of Roncador river associated to the landscape change in the municipality of Magé, Rio de Janeiro-Brazil |
title_fullStr |
Physical attributes of the river basin of Roncador river associated to the landscape change in the municipality of Magé, Rio de Janeiro-Brazil |
title_full_unstemmed |
Physical attributes of the river basin of Roncador river associated to the landscape change in the municipality of Magé, Rio de Janeiro-Brazil |
title_sort |
physical attributes of the river basin of roncador river associated to the landscape change in the municipality of magé, rio de janeiro-brazil |
publisher |
Universidade Federal de Uberlândia |
series |
Bioscience Journal |
issn |
1981-3163 |
publishDate |
2018-05-01 |
description |
The objective of this study was to conduct a temporal analysis of biophysical attributes of the river basin of Rio Roncador, located in the municipality of Magé, Rio de Janeiro. SRTM data were used for the determination of the river basin morphometry and two images of the orbital platform Landsat5 TM sensor (01/28/1986 and 02/15/2010) applied the SEBAL algorithm to characterize the landscape dynamics. The results indicate that The river basin has a drainage area equivalent to 186.21 km2, perimeter 101.78 km, circularity index equal to 0.22, form factor 0.26 and compares index 2.09. These results indicate that the river basin is not prone to flooding, mainly due to its elongated form. It was possible to verify that in the interval of 24 years, degradation occurred in the region beyond the change in the coverage of the soil of the river basin. The results indicated a tendency of reduction in the areas of permanent preservation -13.4% of the river basin. It is concluded that anthropogenic actions were able to alter the surface cover of the soil and that, by the way, may have influenced the water dynamics of the river basin. |
topic |
geoprocessing water availability environmental disasters image processing |
url |
http://www.seer.ufu.br/index.php/biosciencejournal/article/view/36716 |
work_keys_str_mv |
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