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Optical Engineering

Electro-optical propagation assessment in coastal environments (EOPACE): summaryand accomplishments
Author(s): Douglas R. Jensen; Stuart G. Gathman; Carl R. Zeisse; Charles P. McGrath; Gerrit de Leeuw; Michael A. Smith; Paul A. Frederickson; Kenneth L. Davidson
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Paper Abstract

EOPACE (electro-optical propagation assessment in coastal environments) was a 5-yr multinational and interdisciplinary effort to improve the performance assessment for electro-optical (EO) systems operating in coastal environments. The initial results of the EOPACE program include: (1) the parameterization of the surf-zone generated aerosol-size distribution as a function of swell height; (2) the characterization of aerosol plume structures and the transport of surf generated aerosols; (3) the development of a quantitative surf aerosol source function; (4) the description of the contribution and impact of surf-zone generated aerosols on coastal infrared (IR) transmission; (5) the measurement and modeling of the near surface transmission effects (aerosol and molecular extinction, refraction, scintillation, and wave shadowing); (6) an analysis of the contribution of anthropogenic and land derived aerosols to the air mass characteristics in the coastal zone; (7) the application of direct and remote sensing techniques to develop the scaling parameters for aerosols in the prevailing air mass; (8) an analysis of near ocean surface bulk meteorological scaling which works well for unstable conditions but is less reliable for neutral and stable conditions; and (9) the incorporation of the improved sea radiance models into TAWS (target acquisition weather software) which improved the error analysis by a factor of 3. These initial accomplishments are described in this overview of the EOPACE effort.

Paper Details

Date Published: 1 August 2001
PDF: 13 pages
Opt. Eng. 40(8) doi: 10.1117/1.1387985
Published in: Optical Engineering Volume 40, Issue 8
Show Author Affiliations
Douglas R. Jensen, Space & Naval Warfare Systems Command SYSCEN (United States)
Stuart G. Gathman, Space and Naval Warfare Systems Ctr., San Diego (United States)
Carl R. Zeisse, Space and Naval Warfare Systems Ctr., San Diego (United States)
Charles P. McGrath, Space & Naval Warfare Systems Command SYSCEN (United States)
Gerrit de Leeuw, TNO (Netherlands)
Michael A. Smith, Univ. of Leeds (United Kingdom)
Paul A. Frederickson, Naval Postgraduate School (United States)
Kenneth L. Davidson, Naval Postgraduate School (United States)

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