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Proceedings Paper

Methods for discerning cloud reflectivity changes due to the indirect effect of aerosol: a pilot study for Triana
Author(s): Warren J. Wiscombe; Stefan Kinne
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Paper Abstract

Understanding the effect of aerosol on clouds and cloud systems is one of the major challenges in climate research. Local studies suggest a multitude of aerosol influences on cloud properties, some increasing cloud albedo and some decreasing it. The net effect remains uncertain. NASA's TRIANA mission, which would see the whole sunlit face of the Earth continually, would provide simultaneous data on aerosol properties and cloud reflectivity from its EPIC multi-spectral imager. With TRIANA's unique position at the L-1 Lagrange point, these data would be available not only globally but also over the entire daytime, well suited to accommodate the often short lifetimes of aerosol and investigations around diurnal cycles. This pilot study explores the ability to detect relationships between aerosol properties and cloud-reflectivity with advanced statistical methods and applies to any L-1 imager with similar capabilities. Prototype results using data from the EOS Terra platform are presented.

Paper Details

Date Published: 31 January 2002
PDF: 8 pages
Proc. SPIE 4539, Remote Sensing of Clouds and the Atmosphere VI, (31 January 2002); doi: 10.1117/12.454451
Show Author Affiliations
Warren J. Wiscombe, NASA Goddard Space Flight Ctr. (United States)
Stefan Kinne, NASA Goddard Space Flight Ctr. and Univ. of Maryland/Baltimore County (United States)


Published in SPIE Proceedings Vol. 4539:
Remote Sensing of Clouds and the Atmosphere VI
Klaus Schaefer; Olga Lado-Bordowsky; Adolfo Comeron; Michel R. Carleer; Janet S. Fender, Editor(s)

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