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  Reservoir operation and environmental water demand: Scenarios for the Sub-Middle and Lower São Francisco River basin, Brazil

Koch, H., Selge, F., de Azevedo, J. R. G., Souza da Silva, G. N., Siegmund-Schultze, M., Hattermann, F. F. (2018): Reservoir operation and environmental water demand: Scenarios for the Sub-Middle and Lower São Francisco River basin, Brazil. - Ecohydrology, 11, 8, e2026.
https://doi.org/10.1002/eco.2026

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Koch, Hagen1, Autor              
Selge, F.2, Autor
de Azevedo, J. R. G.2, Autor
Souza da Silva, G. N.2, Autor
Siegmund-Schultze, M.2, Autor
Hattermann, Fred Fokko1, Autor              
Affiliations:
1Potsdam Institute for Climate Impact Research, ou_persistent13              
2External Organizations, ou_persistent22              

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 Zusammenfassung: Water management is important for delivering water for different users and uses. Reservoirs are built to overcome the stochastic nature of river flows and to increase the reliability of water supply. Reservoir operation affects the ecology of downstream river sections, and there has been a discussion of a more ecologically oriented flow regime, although ecosystems of reservoirs themselves are rarely taken into account. For reservoirs, it is important to identify multiple impacts and trade‐offs of different management options. This information can be used in a multidisciplinary and multiparticipatory decision‐making process to assess the management options. This study develops, applies, and discusses reservoir operation options for the São Francisco River basin (Brazil): (a) Reference; (b) Environmental discharge; (c) Reduced daily water‐level variation; and (d) Reduced annual water‐level variation. In the simulation study, the operation option with reduced daily water‐level variation in reservoirs turned out to be the most flexible, guaranteeing hydropower generation and water supply in the dry season, while considering the ecology of the reservoirs and rivers. The simulations are exemplary for decision makers, requiring further assessment after agreeing on priority setting.

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 Datum: 2018
 Publikationsstatus: Final veröffentlicht
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1002/eco.2026
PIKDOMAIN: Climate Impacts & Vulnerabilities - Research Domain II
eDoc: 8307
Research topic keyword: Freshwater
Research topic keyword: Energy
Research topic keyword: Ecosystems
Model / method: SWIM
Regional keyword: South America
Organisational keyword: RD2 - Climate Resilience
Working Group: Hydroclimatic Risks
 Art des Abschluß: -

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Titel: Ecohydrology
Genre der Quelle: Zeitschrift, SCI, Scopus, p3
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Seiten: - Band / Heft: 11 (8) Artikelnummer: e2026 Start- / Endseite: - Identifikator: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/journals105