Abstract
Turbulence measurements were made at Aberdeen Proving Ground, Maryland, for five separate 24-h periods in August, 1971 to obtain data in support of laser beam propagation through the near-earth atmosphere. Twelve MRI bivanes were used to measure the three components of the wind in both line and space arrays, with bivanes at heights of 1 and 3 m above the surface. The site description, instrument layout and calibration, surface roughness and surface modifications are presented. Selected horizontal wind observations from the micrometeorological observations at Aberdeen Proving Ground, are analyzed in terms of coherence statistics. When plotted against the dimensionless frequency, Δf, coherence estimates follow a curve of the form exp (−aΔf) moderately well, but with considerable random scatter.
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