A Field Observation of Atmospheric Free Convection

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  • 1 NOAA Environmental Research Laboratories, Boulder, Colo. 80302
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Abstract

Measurements during periods of atmospheric free convection have been made using acoustic echo sounders and conventional wind sensors on a meteorological tower. Comparison of data from the two instrument systems shows good agreement. Fourier analysis of the data indicates that the predominant horizontal scales of motion are approximately six times the depth of the convecting layer, in good agreement with laboratory convection experiments.

Abstract

Measurements during periods of atmospheric free convection have been made using acoustic echo sounders and conventional wind sensors on a meteorological tower. Comparison of data from the two instrument systems shows good agreement. Fourier analysis of the data indicates that the predominant horizontal scales of motion are approximately six times the depth of the convecting layer, in good agreement with laboratory convection experiments.

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