A model for predicting fog aerosol size distributions

Joshua J. Rudiger; Kevin Book; Brooke Baker; John Stephen deGrassie; Stephen Hammel

doi:10.1117/12.2238279

19 September 2016 A model for predicting fog aerosol size distributions

Joshua J. Rudiger, Kevin Book, Brooke Baker, John Stephen deGrassie, Stephen Hammel

Proceedings Volume 9979, Laser Communication and Propagation through the Atmosphere and Oceans V; 99790V (2016) https://doi.org/10.1117/12.2238279
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

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.

Conference Presentation

Citation Download Citation

Joshua J. Rudiger, Kevin Book, Brooke Baker, John Stephen deGrassie, and Stephen Hammel "A model for predicting fog aerosol size distributions", Proc. SPIE 9979, Laser Communication and Propagation through the Atmosphere and Oceans V, 99790V (19 September 2016); https://doi.org/10.1117/12.2238279

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