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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 36, Iss. 18 — Jun. 20, 1997
  • pp: 4202–4213

Scanning-laser glint measurements of sea-surface slope statistics

Joseph A. Shaw and James H. Churnside  »View Author Affiliations


Applied Optics, Vol. 36, Issue 18, pp. 4202-4213 (1997)
http://dx.doi.org/10.1364/AO.36.004202


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Abstract

A scanning-laser glint meter designed for field measurements of sea-surface slope statistics is described. A narrow laser beam is scanned in a line, and specular reflections (glints) are counted in bins according to their slope angle. From normalized glint histograms, moments to the fourth order are calculated, and slope probability density functions are approximated with a Gram–Charlier expansion. Field measurements with this instrument show good agreement with previous results when the stability (essentially air–sea temperature difference) is near neutral (zero). Under conditions of negative stability (warm ocean), both the mean-square slope and the probability density function kurtosis increase.

© 1997 Optical Society of America

History
Original Manuscript: May 1, 1996
Revised Manuscript: February 12, 1997
Published: June 20, 1997

Citation
Joseph A. Shaw and James H. Churnside, "Scanning-laser glint measurements of sea-surface slope statistics," Appl. Opt. 36, 4202-4213 (1997)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-36-18-4202

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