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Water 2018, 10(5), 592; https://doi.org/10.3390/w10050592

An Overview of Hydropower Reservoirs in Brazil: Current Situation, Future Perspectives and Impacts of Climate Change

1
Industrial and Systems Engineering Postgraduate Program-MEPROS, Pontifical Catholic University of Goiás, Av. Universitária 1.440, Setor Universitário, Goiânia CEP 74605-010, Goiás, Brazil
2
Eletrobras Furnas, Industrial and Systems Engineering Postgraduate Program-MEPROS, Pontifical Catholic University of Goiás, BR153, km 510, Zona Rural, Aparecida de Goiânia CEP 74923-650, Goiás, Brazil
3
School of Energy, Geoscience, Infrastructure and Society, Heriot-Watt University, Edinburgh EH14 4AS, UK
4
Geography, Teacher and Humanities Training School, Pontifical Catholic University of Goiás, Av. Universitária 1.440, Setor Universitário, Goiânia CEP 74605-010, Goiás, Brazil
*
Author to whom correspondence should be addressed.
Received: 13 March 2018 / Revised: 17 April 2018 / Accepted: 25 April 2018 / Published: 3 May 2018
(This article belongs to the Section Water Resources Management and Governance)
View Full-Text   |   Download PDF [770 KB, uploaded 4 May 2018]   |  

Abstract

Global climate change, related to the greenhouse gases emission, impacts hydroelectric power generation mainly due to the increase in air temperature and changes in the precipitation patterns. As a consequence, it affects basin evapotranspiration process, runoff, sediment transport as well as evaporation of reservoirs. This study analysed the current and future Brazilian context of hydroelectric reservoirs and investigated the potential impacts of climate change on hydropower generation and possible mitigation adjustments, giving relevant examples from around the world. Moreover, it is key to consider other factors that influence the availability of water resources such as: (a) upstream development of reservoirs, mainly the development of agricultural systems, which can contribute to increased water demand; (b) changes in land use, which can have an impact on soil degradation and sediment transport. Hydroelectric dams are a possible alternative to mitigate the impacts of climate change considering that those impacts could generate the need of adaptive actions. The assessment of climate change impacts’ projections anticipates possible future scenarios and can assist in strategic planning together with the definition of adaptive operational policies. View Full-Text
Keywords: hydropower plants; climate changes; reservoirs; Brazil hydropower plants; climate changes; reservoirs; Brazil
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de Souza Dias, V.; Pereira da Luz, M.; Medero, G.M.; Tarley Ferreira Nascimento, D. An Overview of Hydropower Reservoirs in Brazil: Current Situation, Future Perspectives and Impacts of Climate Change. Water 2018, 10, 592.

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