Fish behavior and fish guidance at hydropower intake screens for fish downstream passage

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Abstract

Fish behaviour investigations under controlled laboratory conditions but nature like environment were conducted to clarify the efficiency of inclined and horizontal screen planes for fish protection and fish downstream passage at hydropower plants concerning different potamodromous species and various sizes. The dependency on the underlying geometric and hydraulic parameters was investigated and comprehensive models were deduced to describe these relations. Adequate geometric and hydraulic design could achieve high levels of fish protection and downstream passage efficiency, even for small fish, weak swimmers and riverbed/bottom oriented species. The results imply good transferability and accordance with field observations at large scale facilities and can provide valuable information for facility design.

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APA

Geiger, F., Cuchet, M., & Rutschmann, P. (2018). Fish behavior and fish guidance at hydropower intake screens for fish downstream passage. In E3S Web of Conferences (Vol. 40). EDP Sciences. https://doi.org/10.1051/e3sconf/20184003041

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