Water wave fluctuations induced by irregular bathymetry

Lulin Guo*, Robert A. Dalrymple

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

Small irregular water depth variations may cause relatively large variations of the wave field, which may affect the results of various water wave models. Statistical properties of depth variation are obtained from real bathymetry and idealized water depths are generated to study this influence on wave fields. An angular spectral model and a parabolic model are examined for their sensitivity to depth variations. It is shown that diffraction and nonlinear effects are dominant to the wave energy scattering. Correlation functions, especially correlation lengths, play an important role in the wave field variation.

Original languageEnglish (US)
Pages (from-to)731-742
Number of pages12
JournalProceedings of the Coastal Engineering Conference
Volume1
DOIs
StatePublished - 1997
EventProceedings of the 1996 25th International Conference on Coastal Engineering. Part 1 (of 4) - Orlando, FL, USA
Duration: Sep 2 1996Sep 6 1996

ASJC Scopus subject areas

  • Ocean Engineering

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