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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 3 — Jan. 20, 2003
  • pp: 545–549

Pitfalls in atmospheric correction of ocean color imagery: how should aerosol optical properties be computed?: reply to comment

Knut Stamnes, Banghua Yan, Wei Li, Jakob J. Stamnes, and Si-Chee Tsay  »View Author Affiliations


Applied Optics, Vol. 42, Issue 3, pp. 545-549 (2003)
http://dx.doi.org/10.1364/AO.42.000545


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Abstract

Gordon [Appl. Opt. 42, 542 (2003)] argues that use of external rather than internal mixing when aerosol optical properties are computed will not seriously affect atmospheric correction of ocean color imagery, in spite of the fact that top of the atmosphere reflectances computed with the two approaches differ significantly as shown by Yan et al. [Appl. Opt. 41, 412 (2002)]. We apply an algorithm for simultaneous retrieval of aerosol optical properties and chlorophyll concentrations to demonstrate that use of the internal-mixing approach leads to atmospheric corrections that differ significantly from those obtained with the more realistic external-mixing approach. For relative humidities of 90% or more, the differences in retrieved aerosol optical properties and chlorophyll concentrations, incurred by application of the internal-mixing approach, become unacceptably large.

© 2003 Optical Society of America

OCIS Codes
(010.1110) Atmospheric and oceanic optics : Aerosols
(010.1290) Atmospheric and oceanic optics : Atmospheric optics
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(290.0290) Scattering : Scattering

History
Original Manuscript: July 17, 2002
Revised Manuscript: September 18, 2002
Published: January 20, 2003

Citation
Knut Stamnes, Banghua Yan, Wei Li, Jakob J. Stamnes, and Si-Chee Tsay, "Pitfalls in atmospheric correction of ocean color imagery: how should aerosol optical properties be computed?: reply to comment," Appl. Opt. 42, 545-549 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-3-545

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