Fish protection and fish guidance at water intakes using innovative curved-bar rack bypass systems
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Author / Producer
Date
2020-10
Publication Type
Doctoral Thesis
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yes
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Abstract
Run-of-river hydropower plants (HPPs), dams and weirs pose a particular threat for downstream migrating fish. The migration delay and injury or mortality during turbine or spillway passages contribute to a decline in fish populations worldwide. The overarching goal of this research study is therefore to improve the sustainable and efficient use of hydropower by providing a technical solution for the safe downstream migration of fish at run-of-river HPPs and water intakes with a minimal impact on hydropower production and operation. The focus lies on the design improvement of mechanical behavioural fish guidance structures (FGSs) consisting of vertical bars in combination with a bypass system (BS).
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published
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Publisher
ETH Zurich
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Subject
fish guidance; fish guidance structure; downstream fish migration; fish protection; Ethohydraulics; fish passages; fish control structures
Organisational unit
03820 - Boes, Robert / Boes, Robert
Notes
Funding
727830 - Fishfriendly Innovative Technologies for Hydropower (SBFI)
Related publications and datasets
Is original form of: https://doi.org/10.3929/ethz-b-000482038