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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 35 — Dec. 10, 2009
  • pp: 6811–6819

Angular shape of the oceanic particulate volume scattering function in the backward direction

James M. Sullivan and Michael S. Twardowski  »View Author Affiliations

Applied Optics, Vol. 48, Issue 35, pp. 6811-6819 (2009)

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Analysis of several million particulate volume scattering functions (VSFs) from different field sites around the world’s oceans and coastlines revealed that the shape of the VSF in the backward direction was remarkably consistent (5% or less variability at angles between 90 ° and 170 ° ). In agreement with theoretical models and past field measurements, the variability of the VSF shape (the VSF normalized to the backscattering coefficient) was found to be lowest between 110 ° and 120 ° . This study concludes that under most oceanic conditions, estimates of the particulate backscattering coefficient, using single angle scattering measurements near 110 ° to 120 ° and suitable conversion factors, are justified and should have a maximum uncertainty of less than a few percent once instrument noise is accounted for.

© 2009 Optical Society of America

OCIS Codes
(000.2170) General : Equipment and techniques
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(290.1350) Scattering : Backscattering
(350.4990) Other areas of optics : Particles

ToC Category:

Original Manuscript: August 5, 2009
Revised Manuscript: October 12, 2009
Manuscript Accepted: November 1, 2009
Published: December 4, 2009

James M. Sullivan and Michael S. Twardowski, "Angular shape of the oceanic particulate volume scattering function in the backward direction," Appl. Opt. 48, 6811-6819 (2009)

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