Hierarquia fluvial dos canais da Bacia Hidrográfica do Rio Potengi-RN
The process of river hierarchy is characterized as one of the main morphometric parameters to be considered in the analysis of a watershed, which aims to determine the order of the river channels. This work aims to classify the drainage channels according to their quantity and order, based on the or...
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| Formato: | bachelorThesis |
| Idioma: | pt_BR |
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Universidade Federal do Rio Grande do Norte
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| Endereço do item: | https://repositorio.ufrn.br/handle/123456789/34644 |
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| Resumo: | The process of river hierarchy is characterized as one of the main morphometric parameters to be considered in the analysis of a watershed, which aims to determine the order of the river channels. This work aims to classify the drainage channels according to their quantity and order, based on the ordering morphometric index. The study area comprises the Potengi River Basin (BHRP), with an area of 4,093.00 km², presenting in parts of the Central, Agreste and Eastern mesoregions of the state of Rio Grande do Norte (RN). The maps were made in a Geographic Information Systems (GIS) environment, using images from the US Shuttle Radar Topography Mission (SRTM), more precisely the 30-meter Arc-Second Global data set, acquired for free at United States Geological Survey (USGS) website and for the process of river hierarchization, the method proposed by Strahler (1952) was used. The results showed that BHRP has channels classified in six orders, of which 82.2% correspond to first order channels, which in turn are important elements in the diagnosis of environmental vulnerability of the landscape. |
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