A Theoretical Explanation of the Fetch- and Duration-Limited Laws

The evolution of wind-induced ocean waves is studied theoretically. The modeling assumes that wave groups evolve independently of each other in a state of local equilibrium between wind-pumping- and wave-breaking-induced dissipation. The well-known fetch and duration laws appear as natural solutions...

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Veröffentlicht in:	Journal of physical oceanography 2013-02, Vol.43 (2), p.233-247
1. Verfasser:	FONTAINE, Emmanuel
Format:	Artikel
Sprache:	eng
Schlagworte:	Comparative analysis Earth, ocean, space Exact sciences and technology External geophysics Marine Ocean waves Physics of the oceans Studies Surface waves, tides and sea level. Seiches Wave power Wind speed
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Beschreibung
Zusammenfassung:	The evolution of wind-induced ocean waves is studied theoretically. The modeling assumes that wave groups evolve independently of each other in a state of local equilibrium between wind-pumping- and wave-breaking-induced dissipation. The well-known fetch and duration laws appear as natural solutions of the model in the case of a constant wind speed. The link between the fetch and duration laws is explained, and the results are successfully validated against various experimental data.
ISSN:	0022-3670 1520-0485
DOI:	10.1175/jpo-d-11-0190.1