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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 12 — Apr. 20, 1998
  • pp: 2245–2259

Relative importance of multiple scattering by air molecules and aerosols in forming the atmospheric path radiance in the visible and near-infrared parts of the spectrum

David Antoine and André Morel  »View Author Affiliations


Applied Optics, Vol. 37, Issue 12, pp. 2245-2259 (1998)
http://dx.doi.org/10.1364/AO.37.002245


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Abstract

Single and multiple scattering by molecules or by atmospheric aerosols only (homogeneous scattering), and heterogeneous scattering by aerosols and molecules, are recorded in Monte Carlo simulations. It is shown that heterogeneous scattering (1) always contributes significantly to the path reflectance (ρpath), (2) is realized at the expense of homogeneous scattering, (3) decreases when aerosols are absorbing, and (4) introduces deviations in the spectral dependencies of reflectances compared with the Rayleigh exponent and the aerosol angstrom exponent. The ratio of ρpath to the Rayleigh reflectance for an aerosol-free atmosphere is linearly related to the aerosol optical thickness. This result provides a basis for a new scheme for atmospheric correction of remotely sensed ocean color observations.

© 1998 Optical Society of America

OCIS Codes
(010.0010) Atmospheric and oceanic optics : Atmospheric and oceanic optics
(010.1100) Atmospheric and oceanic optics : Aerosol detection
(010.1310) Atmospheric and oceanic optics : Atmospheric scattering
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(290.1090) Scattering : Aerosol and cloud effects
(290.4210) Scattering : Multiple scattering
(290.5850) Scattering : Scattering, particles
(290.5870) Scattering : Scattering, Rayleigh

History
Original Manuscript: July 11, 1997
Revised Manuscript: November 17, 1997
Published: April 20, 1998

Citation
David Antoine and André Morel, "Relative importance of multiple scattering by air molecules and aerosols in forming the atmospheric path radiance in the visible and near-infrared parts of the spectrum," Appl. Opt. 37, 2245-2259 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-12-2245

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