Abstract
The capability to scale from short-wavelength scattered light measured by several
hypothetical instruments to IR aerosol extinction coefficients is evaluated in
this simulation. Instruments consisting of a forward-scatter meter, integrating
nephelometer, and combinations thereof are exposed to a large number of maritime
aerosols with size distributions weighted by their frequency of occurrence.
Statistical analysis of the wavelength scaling shows that particular two-channel
scattering instruments give estimates of IR extinction for wavelengths between
1.06 and 10.6 μm with an accuracy of
≤10%. A forward-scattering instrument gives an output
proportional to particle volume and extinction at 10.6
μm.
© 1985 Optical Society of America
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