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Proceedings Paper

Properties of stratospheric aerosol estimated from HALOE data
Author(s): Kwang-Mog Lee; Jae H. Park; Steven T. Massie; Wookap Choi
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Paper Abstract

Extinction coefficients for stratospheric aerosols at 8 HALOE wavelengths are determined by comparing transmittances data for two adjacent solar occultation measurements, where one limb path is loaded with aerosols but the other path is free of aerosols. These extinction coefficients are used to infer the aerosol properties such as composition and size distribution parameters. Mie theory has been used to calculate the extinction coefficients, and a nonlinear least square method is applied to determine the aerosol properties. Sixteen cases are selected for the retrieval in southern hemisphere at latitudes from 21 to 48 degrees S for the period of 29 Mar - 31 May 1992. Retrieved size width ranges from 1.1 to 1.5 and radius ranges from 0.25 to 0.45 micrometer. These size parameters are within the ranges of in situ measurements at Laramie, Wyoming. Retrieved weight % of H2SO4 is larger than the equilibrium value by about 5 to approximately 10 weight %, similar to the results for northern hemisphere at latitudes 20 to 55 degree N for the period from Nov 1991 to Feb 1992.

Paper Details

Date Published: 21 February 2001
PDF: 6 pages
Proc. SPIE 4150, Optical Remote Sensing of the Atmosphere and Clouds II, (21 February 2001); doi: 10.1117/12.416991
Show Author Affiliations
Kwang-Mog Lee, Kyungpook National Univ. (South Korea)
Jae H. Park, NASA Langley Research Ctr. (United States)
Steven T. Massie, National Ctr. for Atmospheric Research (United States)
Wookap Choi, Seoul National Univ. (South Korea)


Published in SPIE Proceedings Vol. 4150:
Optical Remote Sensing of the Atmosphere and Clouds II
Yasuhiro Sasano; Jinxue Wang; Tadahiro Hayasaka, Editor(s)

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