Historic evolucion of ucayali river dynamics (Peru)
DOI:
https://doi.org/10.21170/geonorte.2024.V.15.N.52.219.242%20%20%20Keywords:
Migration rates, Upper Amazon, Amazonian populationAbstract
The rivers of the Upper Amazon generate lateral displacements along their course forming complex floodplains. These plains are of fundamental importance for the Amazonian population concentrated along the riverbanks because they are the main means of transportation in this area. The plains are exploited by the Amazonian population for different uses (housing, livestock, agriculture). In this paper we present the study of the recent fluvial dynamics of the Ucayali River, one of the most meandering rivers in the world. The floodplain of the Ucayali River was selected because of its historical and current interest in the Peruvian Amazon region. The results obtained in this work show that the Ucayali River maintains a very active current lateral dynamics (145 m/year on average), presenting very important migration rates with respect to other large tropical rivers. These fluvial dynamics strongly affect the populations and their ways of life both in the present and in the past.
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