A Physical and Behavioral Barrier for Enhancing Fish Downstream Migration at Hydropower Dams: The Flexible FishProtector
نویسندگان
چکیده
Fish protection at hydropower plants is important for the sustainability of hosting ecosystems and acceptance hydropower. On their way downstream, fish are exposed to various related negative effects, ranging from a delay in downstream movement being injured or killed by turbine. Understanding behavior close proximity devices essential order establish efficient facilities. In this study, physical (horizontal steel cables) behavioral barriers (electric field) were developed (Flexible FishProtector) effectiveness was investigated. The brown trout (Salmo trutta fario), rainbow (Oncorhynchus mykiss), grayling (Thymallus thymallus) chub (Squalius cephalus) Flexible FishProtector analyzed using video evaluation. experimental setup non-scaled section model runoff river power plant. used electric field induced flight reaction corresponding distance that significantly increased rate. Furthermore, an increase guiding efficiency achieved with use as well barrier, supporting safe migration narrower cable clearance (30 mm versus 60 mm).
منابع مشابه
Anti-vortex structures at hydropower dams
Vortex formation due to power generation at hydropower dams could cause serious problems, and eliminating or reduction in its strength is one of the dam designer and manager duties. Therefore, the design and use of anti-vortex structures is usual. Design of an anti-vortex structure for each project is unique and it is therefore necessary to have knowledge about the performance of each one. In t...
متن کاملModelling the cumulative barrier and passage effects of mainstream hydropower dams on migratory fish populations in the Lower Mekong Basin
This report was prepared by agents on behalf of the Mekong River Commission to advise on the policy and strategic direction of the organisation and its Member Countries. Although all effort is made to ensure that the information, opinions and analysis contained in this document are based on sources believed to be reliable-no representation, expressed or implied, is made guaranteeing accuracy, c...
متن کاملProbabilistic Method for Seismic Vulnerability Ranking of Canadian Hydropower Dams
A probabilistic method was developed for ranking Canadian hydropower dams according to their seismic vulnerability. The method is based on the probabilistic seismic hazard at the dam location, the seismic fragility of the dam, and the construction date of the dam. The seismic hazard is represented by the peak ground acceleration of seismic motions at the dam location for a specified probability...
متن کاملPlanning Guide for Fish Passage at Pittsburgh District Dams
Background. The US Army Engineer (USACE) District, Pittsburgh (LRP) is preparing the "Upper Ohio Navigation Study, Pennsylvania" Feasibility Study and Integrated Environmental Impact Statement (EIS). This study will examine alternatives for replacing aging navigation locks on the three uppermost navigation facilities on the Ohio River: Emsworth, Dashields, and Montgomery (EDM) Locks and Dams. S...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Water
سال: 2022
ISSN: ['2073-4441']
DOI: https://doi.org/10.3390/w14030378