منابع مشابه
The Stochastic Parametric Mechanism for Growth of Wind-Driven Surface Water Waves
Theoretical understanding of the growth of wind-driven surface water waves has been based on two distinct mechanisms: growth due to random atmospheric pressure fluctuations unrelated to wave amplitude and growth due to wave coherent atmospheric pressure fluctuations proportional to wave amplitude. Wave-independent random pressure forcing produces wave growth linear in time, while coherent forci...
متن کاملDissipative solitary states in driven surface waves.
We present an experimental study of highly localized, solitonlike structures that propagate on the two-dimensional surface of highly dissipative fluids. Like the well-known Faraday instability, these highly dissipative structures are driven by means of the spatially uniform, vertical acceleration of a thin fluid layer. These structures, harmonically coupled to the external driving frequency, ar...
متن کاملWeakly nonlinear analysis of wind-driven gravity waves
We study the weakly nonlinear development of shear-driven gravity waves induced by the physical mechanism first proposed by Miles, and furthermore investigate the mixing properties of the finite-amplitude solutions. Linear theory predicts that gravity waves are amplified by an influx of energy through the critical layer, where the velocity of the wind equals the wave phase velocity. As the wave...
متن کاملLocally enhanced precipitation organized by planetary-scale waves on Titan
Saturn’s moon Titan exhibits an active weather cycle that involves methane1–8. Equatorial and mid-latitude clouds can be organized into fascinating morphologies on scales exceeding 1,000 km (ref. 9). Observations include an arrow-shaped equatorial cloud that produced detectable surface accumulation, probably from the precipitation of liquid methane10. An analysis of an earlier cloud outburst in...
متن کاملBifurcation Analysis for Surface Waves Generated by Wind
We study the generation of surface waves on water as a bifurcation phenomenon. For a critical wind-speed there appear traveling wave solutions. While linear waves do not transport mass (in the mean), nonlinear effects create a shear-flow and result in a net mass transport in the direction of the wind. We derive an asymptotic formula for the average tangential velocity along the free surface. Nu...
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ژورنال
عنوان ژورنال: Journal of Geophysical Research: Planets
سال: 2000
ISSN: 0148-0227
DOI: 10.1029/1999je001066