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Optics Express

Optics Express

  • Editor: Micha
  • Vol. 13, Iss. 23 — Nov. 14, 2005
  • pp: 9257–9264

Effect of surface waves on the irradiance distribution in the upper ocean

Hemantha W. Wijesekera, W. Scott Pegau, and Timothy J. Boyd  »View Author Affiliations


Optics Express, Vol. 13, Issue 23, pp. 9257-9264 (2005)
http://dx.doi.org/10.1364/OPEX.13.009257


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Abstract

The distribution of irradiance in the upper ocean was examined from sensors mounted on an Autonomous Underwater Vehicle (AUV). Apparent and inherent optical properties along with physical variability ranging from scales O(10 cm) to O(1 km) were collected off the coast of Oregon during the summer of 2004. Horizontal wavenumber spectra of downwelling irradiance showed that irradiance varied as a function of wavenumber and depth. The analysis indicates that irradiance variability between 1 and 20 m spatial scales was attributed to the focusing effects of surface wave geometry. The dominant wavelength of focusing at depths of 2 – 6 m was about 2 m for ~6 m s-1 wind speeds.

© 2005 Optical Society of America

OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(120.5710) Instrumentation, measurement, and metrology : Refraction

ToC Category:
Research Papers

History
Original Manuscript: September 22, 2005
Revised Manuscript: October 30, 2005
Published: November 14, 2005

Citation
Hemantha Wijesekera, W. Scott Pegau, and Timothy Boyd, "Effect of surface waves on the irradiance distribution in the upper ocean," Opt. Express 13, 9257-9264 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-23-9257


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References

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