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Application of aerial photography to the study of small scale upper ocean phenomena.

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Date
1981
Author
Ichiye, T.
Carnes, M.
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Abstract
The industrial waste dumped in 180 n. miles south of Galveston was monitored in July 1977 by water sampling, hydrographic measurements, acoustic tracking on board two vessels, and by aerial photography. The plume of the waste diffused vertically and horizontally. Photodensitometry of aerial photos of the plume showed lateral dispersion of the plume in agreement with two other methods: acoustic tracking small scale features like the lateral and longitudinal variations in the photodensity, indicating the waste concentration. This waste concentration showed periodic changes in its axial distance, with the spectral peak at about 160 m wave length. It shows a sharp increase at the windward edge of the plume as do the acoustic records. This phenomenon is explained in terms of the shearing current near the surface together with vertical diffusion. The periodic change along the axis is explained in terms of the Langmuir circulation and in terms of internal ship waves.
URI
http://hdl.handle.net/1969.3/18777
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  • Galveston Bay Bibliography
  • GBIC Abstracts (full text not available through Jack K. Williams Library)

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