Journal
JOURNAL OF HYDROLOGY
Volume 519, Issue -, Pages 2906-2919Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jhydrol.2014.04.038
Keywords
Ensemble forecasting; Tres Marias hydropower plant; MGB-IPH model
Funding
- Brazilian CNPQ
- CEMIG by funding the project P&D - Desenvolvimento de Sistema de Previssao de Vazoes corn Base na Integracao de Sistema de Telemetria a Modelos Hidrologicos e de Previsao Climatica [353]
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The present study shows experiments of ensemble forecasting applied to a large tropical river basin, where such forecasting methodologies have many potential applications. The case study is the Tres Marias hydroelectric power plant basin (Brazil), on the Sao Francisco river, where forecast results are particularly important for reservoir operation and downstream flood control. Results showed some benefits in the use of ensembles, particularly for the reservoir inflow on flooding events, and in comparison to the deterministic values given by the control member of the ensemble and by the ensemble mean. The study also discusses the improvements that must be tested and implemented in order to achieve better results, what is particularly important for the smaller basins within the study case. Despite the necessary improvements mentioned, the results suggest that benefits can result from the application of ensemble forecasts for hydropower plants with large basins within the Brazilian energy system. (C) 2014 Elsevier B.V. All rights reserved.
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