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Random temperature structure as a factor in long-range propagation

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Abstract
A statistical description of horizontal thermal microstructure in anosotropic turbulence is developed for application with an existing acoustic propagation theory. The model predicts a temperature power density spectrum which decays as -5/3 and -3 in the convective and buoyancy ranges, respectively. The relative power in the two ranges is a function of depth and depends on the total rate of energy dissipation, the total rate of dissipation of temperature variance, and the Brunt-Vaisala frequency. Companion experimental data at two widely separated stations of the North Atlantic verify the theoretical predictions.

URI
http://hdl.handle.net/20.500.12489/12

Report Number
CP-17/6

Source
In: Ocean Acoustic Modelling (SACLANTCEN Conference Proceedings CP-17), Part 6, 1975, pp. 30-1 - 30-10.

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Date
1975/10

Author(s)
Del Balzo, Donald R.
; 
Moseley, W. B.

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CP-17_Part6_DelBalzo_RandomTemperatureStructure.pdf (3.606Mb)

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