Characterizing large aerosols in the lowest level of the marine atmosphere

Stuart G. Gathman; Alexander M. J. van Eijk; Leo H. Cohen

doi:10.1117/12.330235

3 November 1998 Characterizing large aerosols in the lowest level of the marine atmosphere

Stuart G. Gathman, Alexander M. J. van Eijk, Leo H. Cohen

Proceedings Volume 3433, Propagation and Imaging through the Atmosphere II; (1998) https://doi.org/10.1117/12.330235
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

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.

Citation Download Citation

Stuart G. Gathman, Alexander M. J. van Eijk, and Leo H. Cohen "Characterizing large aerosols in the lowest level of the marine atmosphere", Proc. SPIE 3433, Propagation and Imaging through the Atmosphere II, (3 November 1998); https://doi.org/10.1117/12.330235

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