Environmental modeling of river basins: morphometric and pedological characterization of the Una basin – Ibiúna, Brazil
Elfany Reis do Nascimento Lopes,
José Carlos de Souza,
Jocy Ana Paixão de Sousa,
José Luiz Albuquerque Filho,
Roberto Wagner Lourenço
Affiliations
Elfany Reis do Nascimento Lopes
Universidade Estadual Paulista Júlio de Mesquita Filho. Instituto de Ciência e Tecnologia de Sorocaba. Instituto de Pesquisas Tecnológicas de São Paulo
José Carlos de Souza
Universidade Estadual de Goiás. Universidade Estadual Paulista - Instituto de Ciência e Tecnologia de Sorocaba /Laboratório de Geoprocessamento e Modelagem Matemática Ambiental.
Jocy Ana Paixão de Sousa
Universidade Estadual Paulista Júlio de Mesquita Filho. Instituto de Ciência e Tecnologia de Sorocaba.
José Luiz Albuquerque Filho
Instituto de Pesquisas Tecnológicas de São Paulo (IPT)
Roberto Wagner Lourenço
Universidade Estadual Paulista - Instituto de Ciência e Tecnologia de Sorocaba /Laboratório de Geoprocessamento e Modelagem Matemática Ambiental.
The study aimed to describe the environmental modeling by evaluating the morphometric and pedological parameters of the river basin of the Una river, in the southeast of Brazil, using geoprocessing techniques in a GIS environment.The evaluation of the hydrological and morphometric parameters were determined from processing routines in the Surface, Hydrology and Integrated Water Management modules. The pedological parameters of texture and organic matter were evaluated by the pipette and combustion method. The basin extends over 96km², with irregular and elongated shape, not subject to flooding, average altitude of 937 meters and maximum elevation of 1175 meters. The relief is strongly undulating, with an average slope of 18%. The soils present a tendency to sandy texture and less silt and organic matter between 10 to 60%.
