Observed storm surge morphodynamics and implications to numerical modelling schemes

Christian Winter, Rolf Riethmüller, Martina Heineke, Verner B. Ernstsen, Riko Noormets

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1 Citationer (Scopus)

Resumé

Annual as well as monthly time-series of the morphological evolution of a small study area in the German Wadden Sea were used to study the reasons for morphodynamic model shortcomings. The long-term morphodynamic trend shows the filling of a tidal channel and retreat of the coastline. Monthly datasets reveal that in contrast to almost no bathymetric changes during fair-weather periods, extreme events can be determined as the main morphodynamic drivers. Hence, highly parameterized boundary conditions as single "representative tides" cannot provide the necessary diversity of forcing to drive realistic morphodynamic model simulations. Instead, morphodynamic models should use open boundary conditions, which consider the variation in tidal and meteorological forcing rather than characteristic single tides. Copyright ASCE 2006.

OriginalsprogEngelsk
TitelCoastal Dynamics 2005 - Proceedings of the Fifth Coastal Dynamics International Conference
ForlagAmerican Society of Civil Engineers (ASCE)
Sider1163-1172
Antal sider9
Vol/bind3
ISBN (Elektronisk)978-0-78440-855-1
ISBN (Trykt)978-1-60423-672-9
DOI
StatusUdgivet - 2006
Udgivet eksterntJa
Begivenhed5th International Conference on Coastal Dynamics - Barcelona, Spanien
Varighed: 4 apr. 20058 apr. 2005
Konferencens nummer: 5

Konference

Konference5th International Conference on Coastal Dynamics
Forkortet titelCDO5
Land/OmrådeSpanien
ByBarcelona
Periode4/04/058/04/05

Programområde

  • Programområde 5: Natur og klima

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