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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 8, Iss. 3 — Apr. 4, 2013

Oceanographic lidar profiles compared with estimates from in situ optical measurements

Jennifer H. Lee, James H. Churnside, Richard D. Marchbanks, Percy L. Donaghay, and James M. Sullivan  »View Author Affiliations


Applied Optics, Vol. 52, Issue 4, pp. 786-794 (2013)
http://dx.doi.org/10.1364/AO.52.000786


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Abstract

Oceanographic lidar profiles measured in an aerial survey were compared with in situ measurements of water optical properties made from a surface vessel. Experimental data were collected over a two-week period in May 2010 in East Sound, Washington. Measured absorption and backscatter coefficients were used with the volume-scattering function in a quasi-single-scattering model to simulate an idealized lidar return, and this was convolved with the measured instrument response to accurately reproduce the measured temporal behavior. Linear depth-dependent depolarization from the water column and localized depolarization from scattering layers are varied to fine tune the simulated lidar return. Sixty in situ measurements of optical properties were correlated with nearly collocated and coincident lidar profiles; our model yielded good matches (±3dB to a depth of 12 m) between simulated and measured lidar profiles for both uniform and stratified waters. Measured attenuation was slightly higher (5%) than diffuse attenuation for the copolarized channel and slightly lower (8%) for the cross-polarized channel.

© 2013 Optical Society of America

OCIS Codes
(010.3640) Atmospheric and oceanic optics : Lidar
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(010.4455) Atmospheric and oceanic optics : Oceanic propagation
(010.4458) Atmospheric and oceanic optics : Oceanic scattering

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: July 30, 2012
Revised Manuscript: December 5, 2012
Manuscript Accepted: December 7, 2012
Published: February 1, 2013

Virtual Issues
Vol. 8, Iss. 3 Virtual Journal for Biomedical Optics

Citation
Jennifer H. Lee, James H. Churnside, Richard D. Marchbanks, Percy L. Donaghay, and James M. Sullivan, "Oceanographic lidar profiles compared with estimates from in situ optical measurements," Appl. Opt. 52, 786-794 (2013)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-52-4-786

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