2022 Early Hearing Detection & Intervention Virtual Conference
March 13 - 15, 2022
5/24/2018 | 9:45 AM - 10:00 AM | THE CHANGING ECOHYDROLOGY OF A DAMMED AMAZON BASIN | 430 B
THE CHANGING ECOHYDROLOGY OF A DAMMED AMAZON BASIN
Developing countries around the world are expanding hydropower to meet growing energy demand. In the Brazilian Amazon, >200 dams are planned over the next 30 years, and questions about the impacts of
current and future hydropower in this globally important watershed remain unanswered. In this context, we applied a hydrologic indicator method to quantify how existing Amazon dams have altered the natural flow regime and to identify predictors of alteration. The type and magnitude of hydrologic alteration varied widely by dam, but the largest changes were to critical characteristics of the flood pulse. Impacts were largest for low-elevation, large-reservoir dams, however small dams had enormous impacts relative to electricity production. The "cumulative" effect of multiple dams was significant for some aspects of the flow regime. This analysis is a first step toward the development of environmental flows plans and policies relevant to the Amazon and other mega-diverse river basins.
- Hydropower
- Hydrology
- Pulse
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Presenters/Authors
David Kaplan
(), University of Florida, dkaplan@ufl.edu;
ASHA DISCLOSURE:
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Kelsie Timpe
(), University of Florida, katimpe@gmail.com;
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