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Application of aerial photography to the study of small scale upper ocean phenomenaThe industrial waste dumped 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 of the waste suspensoid and transmissometer sampling. In addition, the method showed 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.
Document ID
19810056282
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Ichiye, T.
(Texas A&M Univ. College Station, TX, United States)
Carnes, M.
(Texas A & M University College Station, TX, United States)
Date Acquired
August 11, 2013
Publication Date
January 1, 1981
Publication Information
Publication: Pure and Applied Geophysics
Volume: 119
Issue: 2, 19
Subject Category
Oceanography
Accession Number
81A40686
Distribution Limits
Public
Copyright
Other

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