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Proceedings Paper

Assessment and validation of the community radiative transfer model for ice cloud conditions
Author(s): Bingqi Yi; Ping Yang; Fuzhong Weng; Quanhua Liu
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Paper Abstract

The performance of the Community Radiative Transfer Model (CRTM) under ice cloud conditions is evaluated and improved with the implementation of MODIS collection 6 ice cloud optical property model based on the use of severely roughened solid column aggregates and a modified Gamma particle size distribution. New ice cloud bulk scattering properties (namely, the extinction efficiency, single-scattering albedo, asymmetry factor, and scattering phase function) suitable for application to the CRTM are calculated by using the most up-to-date ice particle optical property library. CRTM-based simulations illustrate reasonable accuracy in comparison with the counterparts derived from a combination of the Discrete Ordinate Radiative Transfer (DISORT) model and the Line-by-line Radiative Transfer Model (LBLRTM). Furthermore, simulations of the top of the atmosphere brightness temperature with CRTM for the Crosstrack Infrared Sounder (CrIS) are carried out to further evaluate the updated CRTM ice cloud optical property look-up table.

Paper Details

Date Published: 8 November 2014
PDF: 7 pages
Proc. SPIE 9259, Remote Sensing of the Atmosphere, Clouds, and Precipitation V, 92591C (8 November 2014); doi: 10.1117/12.2069341
Show Author Affiliations
Bingqi Yi, Texas A&M Univ. (United States)
Ping Yang, Texas A&M Univ. (United States)
Fuzhong Weng, National Oceanic and Atmospheric Administration (United States)
Quanhua Liu, National Oceanic and Atmospheric Administration (United States)

Published in SPIE Proceedings Vol. 9259:
Remote Sensing of the Atmosphere, Clouds, and Precipitation V
Eastwood Im; Song Yang; Peng Zhang, Editor(s)

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