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Concurrent Sessions D: Design and Performance of Roughened Channels - Rock Weir Fish Passage Challenges

Abstract
Natural fish passage channel design presents numerous challenges in the effort to restore anadromous fish habitat. Typical features include rock weirs which enable fish to jump from pool to pool, migrating around blockages such as dams. The Peoples Dam Fish Bypass Channel in Central Oregon serves as an example of a successful project, although monitoring of the completed work and subsequent channel adjustments were required. The initial design methodology is discussed, along with uncertainties, construction challenges, and adaptations. The project provides an excellent case study for future similar efforts.
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2013-06-27
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