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Revista Facultad de Ingeniería Universidad de Antioquia

Print version ISSN 0120-6230On-line version ISSN 2357-53280


GARCIA MONTOYA, Juan Pablo et al. Determination of environmental flows for the Barbuda stream in the Municipality of Olaya, Antioquia, Colombia. Antioquia [online]. 2019, n.91, pp.9-23. ISSN 0120-6230.

Environmental flow determination is important for the management of rivers and reservoirs. This parameter allows us to calculate the water supply of basins and minimize environmental impacts associated with water harvesting. In the past, research has been performed to determine environmental flows in rivers of Antioquia. However, the results did not include annual weather variation. Mean environmental flows, evapotranspiration and infiltration in the area have been calculated with the rainfall data registered in the Olaya station during 20 years and the basin morphometric parameters. The collected data were used to build a mathematical model in MATLAB and determine the environmental flows with the Range of Variability Approach (RVA) method for each month of the year and ENSO periods. The model can be used to determine environmental flows in similar basins using new rainfall data and morphometric parameters.

Keywords : Drought; liquid flow; evapotranspiration; run-off; watersheds.

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