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Proceedings Paper

Remote sensing of cirrus cloud parameters using AVHRR data
Author(s): Steve Ou; Kuo-Nan Liou; N. Rao; W. Gooch; Yoshihide Takano
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Paper Abstract

We have developed a retrieval scheme for the inference of the emissivity and temperature of cirrus clouds using the data obtained from the advanced very high resolution radiometer (AVHRR) 3.7 and 10.9 micrometers channels. The scheme, which is applicable to the entire day, is based on the numerical solution of a set of nonlinear algebraic equations that are derived from the theory and parameterizations of infrared radiative transfer. The solution involves an effective extinction ratio for the two wavelengths, which is dependent on ice crystal size distribution. Based on radiative transfer calculations and cloud physics observations, the cloud optical depth and the ice crystal size distribution in terms of mean effective size can be determined from cloud emissivity and cloud temperature, respectively.

Paper Details

Date Published: 15 September 1993
PDF: 13 pages
Proc. SPIE 1934, Passive Infrared Remote Sensing of Clouds and the Atmosphere, (15 September 1993); doi: 10.1117/12.154906
Show Author Affiliations
Steve Ou, Liou and Associates (United States)
Kuo-Nan Liou, Univ. of Utah (United States)
N. Rao, Liou and Associates (United States)
W. Gooch, Liou and Associates (United States)
Yoshihide Takano, Univ. of Utah (United States)

Published in SPIE Proceedings Vol. 1934:
Passive Infrared Remote Sensing of Clouds and the Atmosphere
David K. Lynch, Editor(s)

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