%0 Conference Proceedings
%4 sid.inpe.br/marte2/2017/10.27.15.43.39
%2 sid.inpe.br/marte2/2017/10.27.15.43.40
%@isbn 978-85-17-00088-1
%F 59800
%T Definição das unidades de resposta hidrológica na sub-bacia do igarapé Vontade, em região de savana da bacia Amazônica
%D 2017
%A Ribeiro, Larissa de Castro,
%A Albuquerque, Dandara Moreira de,
%A Santos, Rebeca Martins dos,
%A Nobrega, Silvestre Lopes da,
%A Faria, Maola Monique,
%A Araújo, Wellington Farias,
%@electronicmailaddress larissa.ribeirocr@gmail.com
%E Gherardi, Douglas Francisco Marcolino,
%E Aragão, Luiz Eduardo Oliveira e Cruz de,
%B Simpósio Brasileiro de Sensoriamento Remoto, 18 (SBSR)
%C Santos
%8 28-31 maio 2017
%I Instituto Nacional de Pesquisas Espaciais (INPE)
%J São José dos Campos
%P 6257-6263
%S Anais
%1 Instituto Nacional de Pesquisas Espaciais (INPE)
%X The Amazon basin presents, due to the territorial greatness, geomorphological, relief and hydroclimate characteristics with high variability. These characteristics associated to the variation of the use and soil occupation, demonstrate several behavior in the dynamics and hydrological responses in its hydrographical basins. Vontade igarapé Sub-basin, 14.581,79 hectares, is located in the northeast portion of the state of Roraima in one of the largest savanna blocks in South America, in the Rio Branco Basin. The association of the land use map and soil cover, classified by the images captured from the Landsat8 satellite, with the soil class map, results in the mapping of the Hydrological Response Units, that are regions of homogeneous hydrological behavior. The definition of the HRUs is the aim of this work, understanding that is the basis for hydrological studies in the region. The land use and occupation units mapped were the: soil exposed, forest, tillage, path / Buriti, Water, agriculture, wetland, artificial lake and reforestation / afforestation, all in areas of Latosol and / or Plinthsol. Six Hydrological Response Units have been attributed as areas of the sub-basin with 54.49% of Campos, Cerrados and Steppe in deep soil, 22.75% of Wetlands and Floodplain, 15.17% of Forests In deep soils, 6.08% of Farms in Deep Soils, 0.63% Spaced or Non-Existent Vegetation in Soils and 0.88 Water. The HRUs of the Sub-basin under study confirm their characteristics of Savana, as well as the importance of the dynamics of the flooded areas and planted forests in the hydrological behavior.
%9 Hidrologia
%@language pt
%3 59800.pdf