Session E1: The 2 and 3D Hydrodynamic Functioning of a Fish Migration River Through the “Afsluitdijk”
Location
Groningen, The Netherlands
Event Website
http://fishpassage.umass.edu/
Start Date
22-6-2015 11:10 AM
End Date
22-6-2015 11:25 AM
Description
Abstract:
The “Afsluitdijk” is an icon in the Netherlands. It is the 32 km long closure barrier, which separates the nature of the tidal Wadden Sea from the fresh IJssel lake. It was built for safety and economic developments between 1927 and 1932. Fish like salmon, eel and smelt, have great trouble in passing the remaining discharge gates near Den Oever and Kornwerderzand. The “FishMigrationRiver
(FMR) Afsluitdijk” is a unique project near Kornwerderzand, allowing a variety of fish to reach their spawn, bread and living grounds. The FMR creates an intertidal zone, where fresh and saline water meet and fish might migrate, without jeopardizing the safety or increasing the salinity on the IJssel lake. Call it a barrier for water and salt, but open for fish almost continuously. An important step for the evaluation of the functioning of the FMR is the hydraulic operability. A series of hydrodynamic investigations was carried out to evaluate the various aspects of the FMR. They concern, the water exchange, the salinity, the velocities, the morphology and of course the behaviour of the fish.This presentation focus is on the hydraulic functioning of the FMR. Other presentations in this session focus on the ecological part of the FMR.
Session E1: The 2 and 3D Hydrodynamic Functioning of a Fish Migration River Through the “Afsluitdijk”
Groningen, The Netherlands
Abstract:
The “Afsluitdijk” is an icon in the Netherlands. It is the 32 km long closure barrier, which separates the nature of the tidal Wadden Sea from the fresh IJssel lake. It was built for safety and economic developments between 1927 and 1932. Fish like salmon, eel and smelt, have great trouble in passing the remaining discharge gates near Den Oever and Kornwerderzand. The “FishMigrationRiver
(FMR) Afsluitdijk” is a unique project near Kornwerderzand, allowing a variety of fish to reach their spawn, bread and living grounds. The FMR creates an intertidal zone, where fresh and saline water meet and fish might migrate, without jeopardizing the safety or increasing the salinity on the IJssel lake. Call it a barrier for water and salt, but open for fish almost continuously. An important step for the evaluation of the functioning of the FMR is the hydraulic operability. A series of hydrodynamic investigations was carried out to evaluate the various aspects of the FMR. They concern, the water exchange, the salinity, the velocities, the morphology and of course the behaviour of the fish.This presentation focus is on the hydraulic functioning of the FMR. Other presentations in this session focus on the ecological part of the FMR.
https://scholarworks.umass.edu/fishpassage_conference/2015/June22/4
Comments
Presenting Author Bio:
Jos van der Baan is Junior Advisor of the Rivers Coasts and Seas section of the Water & Environment Division of ARCADIS in the Netherlands. He graduated two years ago from the Technical University of Delft. During his study he specialized in coastal dynamics and river engineering, graduating on coastal morphology. In the period of employment he worked on projects requiring the analysis of complex coastal environments of diverse nature. Challenges are often tackled with the use of various modelling software tools. The modelling tools are applied to simulate systems to study flow, wave and transport in open water, in 2 and 3D. Areas of interest are: coastal morphology, water refreshment, transport of cohesive and non-cohesive sediment, salinity and temperature