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Proceedings Paper

A model for predicting fog aerosol size distributions
Author(s): Joshua J. Rudiger; Kevin Book; Brooke Baker; John Stephen deGrassie; Stephen Hammel
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Paper Abstract

An accurate model and parameterization of fog is needed to increase the reliability and usefulness of electro-optical systems in all relevant environments. Current models vary widely in their ability to accurately predict the size distribution and subsequent optical properties of fog. The Advanced Navy Aerosol Model (ANAM), developed to model the distribution of aerosols in the maritime environment, does not currently include a model for fog. One of the more prevalent methods for modeling particle size spectra consists of fitting a modified gamma function to fog measurement data. This limits the fog distribution to a single mode. Here we establish an empirical model for predicting complicated multimodal fog droplet size spectra using machine learning techniques. This is accomplished through careful measurements of fog in a controlled laboratory environment and measuring fog particle size distributions during outdoor fog events.

Paper Details

Date Published: 19 September 2016
PDF: 9 pages
Proc. SPIE 9979, Laser Communication and Propagation through the Atmosphere and Oceans V, 99790V (19 September 2016); doi: 10.1117/12.2238279
Show Author Affiliations
Joshua J. Rudiger, SPAWAR Systems Ctr. Pacific (United States)
Kevin Book, SPAWAR Systems Ctr. Pacific (United States)
Brooke Baker, SPAWAR Systems Ctr. Atlantic (United States)
John Stephen deGrassie, SPAWAR Systems Ctr. Pacific (United States)
Stephen Hammel, SPAWAR Systems Ctr. Pacific (United States)

Published in SPIE Proceedings Vol. 9979:
Laser Communication and Propagation through the Atmosphere and Oceans V
Alexander M. J. van Eijk; Christopher C. Davis; Stephen M. Hammel, Editor(s)

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