Low-altitude infrared propagation in a coastal zone: Refraction and scattering

被引:0
|
作者
Doss-Hammel, Stephen M. [1 ]
Zeisse, Carl R. [1 ]
Barrios, Amalia E. [1 ]
De Leeuw, Gerrit [1 ]
Moerman, Marcel [1 ]
De Jong, Arie N. [1 ]
Frederickson, Paul A. [1 ]
Davidson, Kenneth L. [1 ]
机构
[1] Atmospheric Propagation Branch, Space/Nav. Warfare Syst. Ctr. D858, 49170 Propagation Path, San Diego, CA 92152-7385, United States
来源
Applied Optics | 2002年 / 41卷 / 18期
关键词
Aerosols - Coastal zones - Infrared radiation - Light refraction - Light scattering - Light transmission - Mathematical models - Molecules - Particles (particulate matter) - Refractive index;
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中图分类号
学科分类号
摘要
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. © 2002 Optical Society of America.
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页码:3706 / 3724
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