The influence of storms on finite amplitude sand wave dynamics: an idealized nonlinear model

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Abstract

We investigate the effects of storms on finite amplitude sand wave growth using a new idealized nonlinear morphodynamic model. We find that the growth speed initially linearly increases with sand wave amplitude, after which nonlinear effects cause the growth to decrease. This finally leads to an equilibrium amplitude. Storm processes lower the equilibrium amplitude compared to the fair-weather (tide-only) situation.
Original languageEnglish
Pages1-3
Publication statusPublished - 28 Jun 2017
Event4th International Symposium on Shallow Flows, ISSF 2017 - Eindhoven University of Technology, Eindhoven, Netherlands
Duration: 26 Jun 201728 Jun 2017
Conference number: 4
http://issf2017.tue.nl/
http://issf2017.tue.nl/program/programme_ISSF.pdf

Conference

Conference4th International Symposium on Shallow Flows, ISSF 2017
Abbreviated titleISSF 2017
CountryNetherlands
CityEindhoven
Period26/06/1728/06/17
Internet address

Keywords

  • tidal sand waves
  • storm effects
  • nonlinear dynamics
  • morphodynamic modelling

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