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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 22 — Aug. 1, 2006
  • pp: 5716–5724

Laboratory measurements of spectral reflection from ice clouds of various habits

Brian Barkey and Kuo Nan Liou  »View Author Affiliations


Applied Optics, Vol. 45, Issue 22, pp. 5716-5724 (2006)
http://dx.doi.org/10.1364/AO.45.005716


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Abstract

Spectral light from 550 to 650   nm reflected from the surface of an ice cloud produced in a temperature-controlled column is measured at seven different angles between 16.7° and 29.9°. Cloud optical depth (τ) is determined from the extinction of a 670   nm laser and is corrected for forward scattering using a Monte Carlo ray-tracing algorithm. Reflection measurements are compared to expectations from a plane-parallel radiative transfer model with input parameters based on the measured τ and a phase function for the observed ice crystal types. The plane-parallel radiative transfer model can be used to interpret the measured reflection for τ less than about 0.4 for this particular experiment, ideal for providing a validation data set to assist with the development of satellite bidirectional remote sensing.

© 2006 Optical Society of America

OCIS Codes
(010.1310) Atmospheric and oceanic optics : Atmospheric scattering
(010.3310) Atmospheric and oceanic optics : Laser beam transmission
(290.1090) Scattering : Aerosol and cloud effects

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: December 19, 2005
Revised Manuscript: February 13, 2006
Manuscript Accepted: March 5, 2006

Citation
Brian Barkey and Kuo Nan Liou, "Laboratory measurements of spectral reflection from ice clouds of various habits," Appl. Opt. 45, 5716-5724 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-22-5716

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