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Development of the mediterranean extinction code (MEDEX)

Author: Piazzola, J. · Bouchara, F. · Leeuw, G. de · Eijk, A.M.J. van
Type:article
Date:2003
Institution: TNO Fysisch en Elektronisch Laboratorium
Source:Optical Engineering, April, 4, 42, 912-924
Identifier: 95536
doi: doi:10.1117/1.1556765
Keywords: Electronics · Electromagnetic radiation · Aerosol particles · Coastal aerosols · Optical propagation · Electro optical systems · Electromagnetic wave propagation · Coastal environment

Abstract

The performance of electro-optical systems can be substantially affected by aerosol particles that scatter and absorb electromagnetic radiation. The model that is most frequently used for the prediction of aerosols and their effect on extinction in the marine atmosphere is the US Navy Aerosol Model (NAM). However, NAM can be significantly less reliable in coastal areas than on the open ocean. Based on an extensive series of measurements conducted on the island of Inisheer (Irish West Coast), an empirical aerosol model for the coastal zone formulated as an extension of NAM, in which coastal effects are modeled as a function of fetch, has been developed. This work is extended to the Mediterranean using an aerosol dataset recorded on the island of Porquerolles in the Bay of Toulon (France) and has been coupled with the Mie theory to give a code for the extinction, the code MEDiterranean EXtinction (MEDEX).