Modelling grain size influence on sand wave predictions in the North Sea

Henriëtte van der Veen, Michiel Knaapen

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Abstract

The North Sea is a very dynamic area, where different morphological features appear, from small ripples to large tidal sand banks. We extended the work of Hulscher and van den Brink (2001), who were the first to compare an idealized model, of large-scale seabed patterns with data of seabed patterns in the North Sea. Firstly, the model is adapted by implementing a critical shear stress. Secondly, a variable viscosity profile based on Komarova and Hulscher (2000) is introduced in the model. And thirdly, the model is extended by including a grain size dependency. The adaptations made to the model of Hulscher and van den Brink lead to more accurate predictions of large-scale bed forms that occur at the sea bed of the North Sea.
Original languageUndefined
Title of host publicationMarine sandwave and river dune dynamics II, 1-2 April 2004, Enschede, The Netherlands
EditorsSuzanne J.M.H. Hulscher, T. Garlan, Deborah Idier
Place of PublicationEnschede
PublisherUniversity of Twente
Pages300-307
ISBN (Print)2-11-088355-3
Publication statusPublished - 1 Apr 2004
EventMarine sandwave and river dune dynamics II 2004 - Enschede, Netherlands
Duration: 1 Apr 20042 Apr 2004
Conference number: 2

Publication series

Name
PublisherUniversity of Twente

Conference

ConferenceMarine sandwave and river dune dynamics II 2004
Abbreviated titleMARID II
CountryNetherlands
CityEnschede
Period1/04/042/04/04

Keywords

  • IR-47351
  • METIS-217700

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