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

doi:10.1175/JPO-D-11-083.1

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

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

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 language	English
Pages (from-to)	928-939
Number of pages	12
Journal	Journal of Physical Oceanography
Volume	42
Issue number	6
DOIs	https://doi.org/10.1175/JPO-D-11-083.1
Publication status	Published - Jun 2012

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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.",

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AU - Chalikov, Dmitry

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AU - Haus, Brian K.

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N2 - 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.

AB - 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.

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JO - Journal of Physical Oceanography

JF - Journal of Physical Oceanography

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ER -

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

Abstract

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