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Proceedings Paper

Characterizing large aerosols in the lowest level of the marine atmosphere
Author(s): Stuart G. Gathman; Alexander M. J. van Eijk; Leo H. Cohen
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Paper Abstract

This paper discusses techniques to describe the aerosol and the electro optical properties of the marine atmosphere from 15 meters down to the tops of the highest wave. Emphasis is placed on the experimental Rotorod technique to measure the concentrations of giant sea salt droplets. Data from these devices are parameterized using a lognormal function that is in turn related statistically to parameters such as wind speed, atmospheric stability and height above the surface. The new lognormal function is combined with the Navy Aerosol Model (NAM) to develop a first version of the Advanced Navy Aerosol Model (ANAM). Thus, ANAM allows the construction of an aerosol size distribution at any level from the wave tops to 15 meters an the assessment of electro optical parameters from this distribution using Mie theory. The first results of the ANAM model are compared to experimental data.

Paper Details

Date Published: 3 November 1998
PDF: 12 pages
Proc. SPIE 3433, Propagation and Imaging through the Atmosphere II, (3 November 1998); doi: 10.1117/12.330235
Show Author Affiliations
Stuart G. Gathman, Space and Naval Warfare Systems Ctr., San Diego (United States)
Alexander M. J. van Eijk, TNO Physics and Electronics Lab. (Netherlands)
Leo H. Cohen, TNO Physics and Electronics Lab. (Netherlands)

Published in SPIE Proceedings Vol. 3433:
Propagation and Imaging through the Atmosphere II
Luc R. Bissonnette, Editor(s)

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