Damping of ship-induced primary waves in groyne fields

Rutger Pasman, Ralph Schielen, Jeremy Bricker, Arne van der Hout, Erik Mosselman, Wim Uijttewaal, Frank Collas, Fredrik Huthoff

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Abstract

Recent ecological studies (Collas et al., 2018) show that ship-induced waves can reduce suitability of fish habitats along the river banks between groynes. Specifically eggs and young fish are vulnerable to these waves (Wolter &
Arlinghaus, 2003). For the river Waal in the Netherlands the breeding and growing season of this fauna is from April to September, which generally corresponds to flow conditions where the groynes in the river are not completely
submerged. The preferred habitat of fish is in the shallow zones close to the bank, which experience a high degree of hydrodynamic variability due to ship-induced waves. The goal of this research is to explore whether fish habitat during the growing and breeding season can be improved by reducing the flow impact of passing ships through structural modifications (“notching”) of groynes.
Original languageEnglish
Title of host publicationNCR Days 2021 “Rivers in an uncertain future”
Subtitle of host publicationBook of Abstracts
Publication statusPublished - 2021
EventNCR Days 2021: Rivers in an uncertain future - Online, Enschede, Netherlands
Duration: 11 Feb 202112 Feb 2021
https://ncr-web.org/events/ncr-days-2021/

Conference

ConferenceNCR Days 2021
Abbreviated titleNCR 2021
Country/TerritoryNetherlands
CityEnschede
Period11/02/2112/02/21
Internet address

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