near-coast tsunami waveguiding: phenomenon and simulations

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ID: 217055
2008
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Abstract
In this paper we show that shallow, elongated parts in a sloping bottom toward the coast will act as a waveguide and lead to large enhanced wave amplification for tsunami waves. Since this is even the case for narrow shallow regions, near-coast tsunami waveguiding may contribute to an explanation that tsunami heights and coastal effects as observed in reality show such high variability along the coastline. For accurate simulations, the complicated flow near the waveguide has to be resolved accurately, and grids that are too coarse will greatly underestimate the effects. We will present some results of extensive simulations using shallow water and a linear dispersive Variational Boussinesq model.
Reference Key
groesen2008naturalnear-coast Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;E. van Groesen;D. Adytia;Andonowati
Journal anziam journal
Year 2008
DOI
DOI not found
URL
http://www.nat-hazards-earth-syst-sci.net/8/175/2008/nhess-8-175-2008.pdf
Keywords
anthropology recreationenvironmental sciencesgeology sanitary engineeringgeography environmental technology

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