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Modification of Crump Weir to Facilitate Fish Passage

Author(s): Md. Akhtaruzzaman Sarker; David G. Rhodes; Gregory S. Armstrong

Linked Author(s): David G. Rhodes, Md Akhtaruzzaman Sarker

Keywords: Fish pass; Hydraulic structure; Crump weir

Abstract: The low-flow section of a compound Crump weir was modelled at1/5 scale to investigate the effect of low-cost modifications to the downstream face to improve fish passage. These consisted of baffles with a slot at each wall, and the arrangement was varied in terms of baffle spacing and slot width. Measurements at the 95 percentile low-flow indicated that the modifications, though not yet a satisfactory solution, offer potential that merits further work.


Year: 2001

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