Hydrology and hydrogeology
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Cinderford Brook Fish Passage
Severn Rivers Trust
- Low flows hydrology and hydraulic modelling
- Fluvial flood risk hydrology and modelling
- Input to river restoration design
Through assessing and comparing the existing ‘baseline’ scenario and the proposed barrier removal mitigation design, our modelling exercise showed that the proposed changes to the barrier removal design achieve continuity in hydraulic behaviour. Throughout the reach, it performs more uniformly and consistently, and the detrimental localised changes to flow conditions arising as a result of the barrier structures no longer exist.
Where the barrier used to be, the localised reach now behaves in a hydraulically similar way to the immediate wider up and downstream reaches, meaning the structure is no longer the potential cause of barrier to fish movement. The proposed barrier removal works represent an improvement to fish migration prospects on the watercourse.