Low-altitude infrared propagation in a coastal zone: refraction and scattering
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Authors
Doss-Hammel, Stephen M.
Zeisse, Carl R.
Barrios, Amalia
de Leeuw, Gerrit
Moerman, Marcel
de Jong, Arie N.
Frederickson, Paul A.
Davidson, Kenneth L.
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Date of Issue
2002-06
Date
2002-06
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Abstract
Midwave and long-wave infrared propagation were measured in the marine atmosphere close to the
surface of the ocean. Data were collected near San Diego Bay for two weeks in November 1996 over a
15-km horizontal path. The data are interpreted in terms of effects expected from molecules, aerosol
particles, and refraction. Aerosol particles are a dominant influence in this coastal zone. They induce
a diurnal variation in transmission as their character changes with regular changes in wind direction. A
refractive propagation factor calculation is introduced, and it is systematically applied to the model and
to the data analysis. It is shown that this refractive propagation factor is a necessary component of a
complete near-sea-surface infrared transmission model.
Type
Description
Applied Optics, Volume 41, No. 18, pp. 3706-3724 (20 June 2002)
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Department
Department of Meteorology
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This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.