Titlebook: Ocean Variability & Acoustic Propagation; John Potter,Alex Warn-Varnas Book 1991 Springer Science+Business Media Dordrecht 1991 Ocean

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Book 1991 Jargon Oceanographic use Acoustic use dbordB decibar (depth in m) decibel (energy level) PE primitive equations parabolic equations convergence zone converging currents converging rays (downwelling water) (high energy density) front thermohaline front wave, ray or time front speed water current speed sound propagation speed 1 The list goes on.

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Internal Wave Induced Fluctuations in the Oceanic Density and Sound Speed Fieldstuations is estimated and compared with a corresponding spectrum of isopycnal displacement..Of particular relevance is the frequency dependence of the sound speed spectrum at the vertical wavenumber corresponding to the Fresnel scale of a given acoustic propagation experiment. Most internal wave spe

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Gyre-Scale Reciprocal Acoustic Transmissionsange and depth averages. The sum of the travel times of oppositely traveling signals depends on the sound speed field. The sum travel times decreased as the summer thermocline formed during the experiment. The travel times suggest that the thermocline deepened episodically on the northern leg of the

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Chaos in Underwater Acousticsre predominently chaotic, the growth in range of the complexity of the wavefield is shown to be exponential: the number of eigenrays connecting a fixed source and receiver grows exponentially while the average intensity of ray arrivals decays exponentially. Some preliminary attempts to investigate t

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Observations Of Ocean Inhomogeneitiesn the sound velocity profile. Profile variation is also caused by alternate intrusions of different water masses. Temperature differences are balanced in respect to density by salinity differences. In many cases thermohaline effects are more important than internal waves.

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