Montana State University

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Dissertation Defense by Katey Plymesser

Wednesday, November 13, 2013, from 10:00am to 11:00am
Engineering and Physical Sciences Building, 323

Title: Modeling Fish Passage and Energy Expenditure for American Shad in a Steeppass Fishway Using a Computational Model

The Alaska Steeppass is a type of chute fishway used extensively on coastal streams in the east and in remote locations in the U.S. A computational fluid dynamics (CFD) model was completed for four combinations of slope and head elevation and was used to assess the probability of passage for American Shad. The output from the CFD model was also used to estimate the energy required for American shad to ascend the steeppass fishway. Results of the passage model indicated that the steeppass fishway did not present a velocity challenge for American shad at the slope and head levels tested