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The objective of this research was to quantify the river bank erosion and identify the hydrological and geomorphological effects following the installation and operation of the Colider Hydroelectric Power Plant (HPP). We conducted a bibliographical survey; fieldwork, over a two-year period, for soil collection, instrumentation and monitoring of bank erosion; and deskwork to create sketches, calculate the magnitude of erosion, and conduct Erosão marginal: mudanças geomorfológicas no rio Teles Pires (MT) decorrente da implantação de um barramento Leila Nalis Paiva da Silva Andrade Marcela Bianchessi da Cunha Santino Celia Alves de Souza Fabio Leandro da Silva Juberto Babilônia de Sousa Cristiano Campos de Miranda Caminhos de Geografia Uberlândia-MG v. 21, n. 75 Jun/2020 p. 154–171 Página 155 laboratory analyses. We verified that the river banks eroded slowly, beginning to precipitate the corrosion process. However, erosion was 12% greater in 2018 than to 2017. When correlating thel factors (velocity, flow, slope, ravine height and others) the Principal Component Analysis explained 63% of the variation observed. In the reservoir, the banks and several islands were submerged, damaging the habitat of various species. The transformations due to the installation of the Colider HPP imply an increase in the erosive process.

EROSÃO MARGINAL: MUDANÇAS GEOMORFOLÓGICAS NO RIO TELES PIRES (MT) DECORRENTE DA IMPLANTAÇÃO DE UM BARRAMENTO