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Measurement of geophysical turbulence by LDV

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Abstract

A complete statistical description of longitudinal velocity and temperature fluctuations in a high Reynolds number geophysical flow has been obtained using a unique submersible laser-Doppler velocimeter to measure the instantaneous fluid velocity. The laser-Doppler velocimeter measures the velocity of small particles embedded in the fluid by means of the Doppler shift in the frequency of the laser light scattered from the moving particles.

© 1981 Optical Society of America

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