Hydropower impact on the river flow of a humid regional climate

Hunt, J. ORCID: https://orcid.org/0000-0002-1840-7277, Falchetta, G., Zakeri, B. ORCID: https://orcid.org/0000-0001-9647-2878, Nascimento, A., Schneider, P.S., Weber, N.A.B., Mesquita, A.L.A., Barbosa, P.S.F., & de Castro, N.J. (2020). Hydropower impact on the river flow of a humid regional climate. Climatic Change 10.1007/s10584-020-02828-w.

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Abstract

Land use and water management have considerable impacts on regional climates. This paper proposes that in humid regions with low wind patterns the construction of hydropower storage reservoirs contributes to the increases in the probability of precipitation in the regional climate. This observation has been tested with a methodology that calculates the cumulative influence of reservoir construction in the basins surrounding with a proposed index named Cumulative Impact of Existing Reservoirs, and compares this index with the historical flow of the rivers. It was found that the construction of reservoirs in Brazil had a considerable impact on its river flows.

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