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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 12 — Apr. 20, 2002
  • pp: 2224–2227

Irradiance inversion algorithm for absorption and backscattering profiles in natural waters: improvement for clear waters

G. Chris Boynton and Howard R. Gordon  »View Author Affiliations


Applied Optics, Vol. 41, Issue 12, pp. 2224-2227 (2002)
http://dx.doi.org/10.1364/AO.41.002224


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Abstract

Our iterative inversion algorithm for retrieving absorption a(z) and backscattering b b (z) from profiles of upwelling and downwelling irradiance, on the basis of assuming a depth-independent phase function for the medium, was found to have unsatisfactory accuracy for b b (z) in clear waters. We modified the algorithm here by assuming a depth-independent phase function for the particles and then performing an additional iteration over the fraction of total scattering that is due to the water itself. The modified algorithm’s accuracy is considerably improved over the original in clear waters and reduces to the original in waters for which the particle contribution to b b (z) is dominant.

© 2002 Optical Society of America

OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(290.4210) Scattering : Multiple scattering

History
Original Manuscript: August 3, 2001
Revised Manuscript: November 19, 2001
Published: April 20, 2002

Citation
G. Chris Boynton and Howard R. Gordon, "Irradiance inversion algorithm for absorption and backscattering profiles in natural waters: improvement for clear waters," Appl. Opt. 41, 2224-2227 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-12-2224


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