Caracterização morfométrica da microbacia hidrográfica do Açude Grande no semiárido do Rio Grande do Norte

نویسندگان

چکیده

Os estudos morfométricos auxiliam no planejamento e gerenciamento de microbacias hidrográficas, determinando os parâmetros fisiográficos, relevo drenagem para avaliar o comportamento hidrológico da bacia. O presente estudo teve por objetivo caracterizar a morfometria microbacia hidrográfica do Açude Grande Caraúbas/RN. Foram utilizados delimitação automática bacia Modelo Digital Elevação (MDE), partir projeto TOPODATA, obtido junto ao Instituto Pesquisas Espaciais (INPE) utilizado SIG gratuito linguagem aberta QGIS, com auxílio dos plugins GRASS SAGA, possibilitando determinação que remetem drenagem, forma relevo. A possui uma área 9,706 km2, perímetro 20,673 km. De acordo índices é considerada 4ª ordem, bastante ramificada, formato pouco alongado, apresenta pequena tendência grandes enchentes, correspondeu plano suave ondulado. Com isso, emprego ferramentas geotecnológicas contribuindo zoneamento ambiental podendo cooperar recursos hídricos, bem como uso ocupação solo sustentável.Palavras-chave: diagnóstico, geotecnologias, sensoriamento remoto. Morphometric characterization of the hydrographic microbasin in semiarid region Rio Norte B S T R C TMorphometric studies assist planning and management micro watersheds, determining physical, relief drainage parameters to assess hydrological behavior basin. The present study aimed characterize morphometry watershed Grande, Elevation Model (DEM) was used automatically delimit basin, from TOPODATA project, Space Research Institute (SRI) use free GIS open language with aid SAGA plugin. has an area 9.706 perimeter 20.673 According morphometric indices, it is considered be 4th order, quite branched, little elongated shape, small tendencies large fillings, or corresponds smooth wavy plane. With this, using geotechnological tools contribute environmental zoning can cooperate for water resources, as well occupation sustainable soil.Keywords: Environmental diagnosis; Geotechnologies; Morphometry.

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ژورنال

عنوان ژورنال: Revista Brasileira de Geografia Física

سال: 2022

ISSN: ['1984-2295']

DOI: https://doi.org/10.26848/rbgf.v15.1.p429-442