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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 28 — Oct. 1, 2006
  • pp: 7468–7474

Characteristics of dust aerosols inferred from lidar depolarization measurements at two wavelengths

Nobuo Sugimoto and Choo Hie Lee  »View Author Affiliations


Applied Optics, Vol. 45, Issue 28, pp. 7468-7474 (2006)
http://dx.doi.org/10.1364/AO.45.007468


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Abstract

Lidar depolarization measurements were performed simultaneously at two wavelengths (532 and 1064   nm ) in an Asian dust event. The observed particle depolarization ratio for 1064   nm was generally larger than that for 532   nm , and it was found that the mixing of Asian dust and other spherical aerosols must be taken into account. A simple two-component theory considering two types of aerosol (dust and spherical aerosols) was developed and applied to the observed data. The mixing ratio of dust and the backscatter-related Ångström exponents for dust and spherical aerosols was derived. These parameters can be used to infer characteristics of the aerosols and the mixed states.

© 2006 Optical Society of America

OCIS Codes
(010.1100) Atmospheric and oceanic optics : Aerosol detection
(010.1310) Atmospheric and oceanic optics : Atmospheric scattering
(010.3640) Atmospheric and oceanic optics : Lidar
(280.1100) Remote sensing and sensors : Aerosol detection
(280.1310) Remote sensing and sensors : Atmospheric scattering
(280.3640) Remote sensing and sensors : Lidar

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: January 9, 2006
Revised Manuscript: March 29, 2006
Manuscript Accepted: March 30, 2006

Citation
Nobuo Sugimoto and Choo Hie Lee, "Characteristics of dust aerosols inferred from lidar depolarization measurements at two wavelengths," Appl. Opt. 45, 7468-7474 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-28-7468

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