Influence of wind forcing on modulation and breaking of one-dimensional deep-water wave groups

Alina Galchenko, Alexander V. Babanin, Dmitry Chalikov, I. R. Young, Brian K. Haus

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

Evolution of nonlinear wave groups to breaking under wind forcing was studied by means of a fully nonlinear numerical model and in a laboratory experiment. Dependence of distance to breaking and modulation depth (height ratio of the highest and the lowest waves in a group) on wind forcing was described. It was shown that in the presence of a certain wind forcing both distance to breaking and modulation depth decrease; the latter signifies slowing down of the instability growth. It was also shown that wind forcing significantly reduces the energy loss in a single breaking event.

Original languageEnglish (US)
Pages (from-to)928-939
Number of pages12
JournalJournal of Physical Oceanography
Volume42
Issue number6
DOIs
StatePublished - Jun 1 2012

ASJC Scopus subject areas

  • Oceanography

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