Low-Frequency Behavior of Turbulence Fluctuations at Mount Wilson Observatory

Author:

Wheelon Albert,Short Nicholas,Townes Charles H.

Abstract

Measurements and analysis of large-scale turbulent irregularities in the atmosphere are reported. Results were obtained from precision measurement of atmospheric temperature fluctuations at 24 and 70 feet above ground for a variety of wind velocities at the Mount Wilson Observatory. Measurements were made as wind blew air past detectors, at frequencies of 0.01-10 Hz, corresponding to distances in the atmosphere between about 1 and 250 m. Analysis shows that large-scale turbulences fit the Greenwood-Tarazano model well, and notably better than the von Karman model of turbulence.

Publisher

American Astronomical Society

Subject

Space and Planetary Science,Astronomy and Astrophysics

Reference14 articles.

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