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Ecohydraulics

Ecohydraulics deals with the interaction of biota (plants and animals) with waves and currents. Plants and sessile animals can act as ecosystem engineers through damping of wave energy and change and reduction of flow direction, which is particularly relevant in the tidal zone along the coast. This can have implications for sediment transport, erosion and deposition.

Reduced hydrodynamic energy and changes in the sediment budget, on the other hand, can affect the establishment of plants and animals, because seeds can settle under lower forces and reduced turbidity allows more light to penetrate to the seabed.

Consequently, ecosystem engineers are able to modify a location depending on the environmental conditions and improve it for themselves and other species while also providing coastal protection services. It is therefore intended to integrate plants and sessile animals in 'soft' coastal protection strategies. It is therefore necessary to understand the underlying physical processes. Research questions that are addressed with large scale experiments, field and numerical studies are:

  • Wave damping due to vegetation
  • Streamlining of vegetation under hydrodynamic forcing
  • Turbulence within and around plant stands and animal colonies
  • Sediment stabilisation through roots and detritus

Associated projects

Ecohydraulic

Response of ecologically-mediated shallow intertidal Shore Transitions to extreme hydrodynamic Forcing

Bild zum Projekt Response of ecologically-mediated shallow intertidal Shore Transitions to extreme hydrodynamic Forcing

Supervisor:

Dr. Iris Möller

Project duration:

02.07.2018 - 14.09.2018

Funded by:

HYDRALAB+ - Transnational Access

Project partner:

University of Cambridge; NIOZ, Yrseke; Universität Hamburg; University of Antwerp; Universität Braunschweig;

 

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Ermittlung des Abriebs an Eisensilikatgestein unter Wellenbelastung

Bild zum Projekt Ermittlung des Abriebs an Eisensilikatgestein unter Wellenbelastung

Supervisor:

Dipl.-Ing. Matthias Kudella

Project duration:

Juni 2017 - August 2017

Funded by:

Aurubis AG

Project partner:

Ludwig-Franzius-Institut für Wasserbau, Ästuar- und Küsteningenieurwesen

 

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SeaArt – Long term establishment of SEAgrass ecosystems through biodegradable ARTificial meadows

 

Supervisor:

Dr. Maike Paul

Researcher:

Dipl.-Ing. Moritz Thom

Project duration:

2016 - 2020

Funded by:

Niedersächsisches Vorab (Ministerium für Wissenschaft und Kultur, VolkswagenStiftung)

 

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HYDRALAB+

Bild zum Projekt HYDRALAB+

Project duration:

September 2015 - August 2019

Funded by:

EU (Horizont 2020)

 

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HYDRALAB IV

Bild zum Projekt HYDRALAB IV

Project duration:

October 2010 - September 2014

Funded by:

EU (FP7)

 

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PISCES (HYRALAB IV)

Bild zum Projekt PISCES (HYDRALAB IV)

Supervisor:

Dr. Maike Paul

Project duration:

October 2010 - September 2014

Funded by:

HYDRALAB IV

 

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Wave Dissipation and Transformation over Coastal Vegetation under extreme Hydrodynamic Loading

Bild zum Projekt Wave Dissipation and Transformation over Coastal Vegetation under extreme Hydrodynamic Loading

Supervisor:

Dr. Iris Möller

Test duration:

10 weeks

Funded by:

HYDRALAB IV - Transnational Access

Project partner:

Cambridge Coastal Research Unit; Universität Hamburg; Deltares; NIOZ-Yerseke; FZK

 

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Utilisation of waves and flow for nutrient uptake by seagrass plants

Bild zum Projekt Utilisation of waves and flow for nutrient uptake by seagrass plants

Supervisor:

Dr. Maike Paul

Project duration:

June 2013 - July 2013

Project partner:

Lucy Gillis, NIOZ - Yerseke

 

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