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Proceedings Paper

Ground-based measurement of cirrus cloud optical properties as validation to aircraft- and satellite-based cloud studies
Author(s): Daniel H. DeSlover; David D. Turner; David N. Whiteman; William L. Smith
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Paper Abstract

Ground-based Atmospheric Emitted Radiance Interferometer (AERI) and Raman Lidar measurements are used to infer cirrus cloud absorption optical depth and effective particle size. Our methodology will be discussed, and results shown for a number of contrasting cloud cases. The high spectral resolution AERI measurements allow inversion of the infrared radiative transfer equation between gaseous absorption lines (e.g., regions of minimal atmospheric emission), referred to as microwindows, to derive the cloud infrared absorption optical depth. Spectral variation in the cloud optical depth yields information on particle size and shape. A best fit of absorption optical depth to the measured absorption optical depth in each microwindow is used to determine the effective radius of particles within the cloud. Results will also be compared to simultaneous upwelling aircraft measurements.

Paper Details

Date Published: 18 April 2003
PDF: 7 pages
Proc. SPIE 4882, Remote Sensing of Clouds and the Atmosphere VII, (18 April 2003); doi: 10.1117/12.462372
Show Author Affiliations
Daniel H. DeSlover, Univ. of Wisconsin/Madison (United States)
David D. Turner, Pacific Northwest National Lab. (United States)
Univ. of Wisconsin/Madison (United States)
David N. Whiteman, NASA Goddard Space Flight Ctr. (United States)
William L. Smith, NASA Langley Research Ctr. (United States)


Published in SPIE Proceedings Vol. 4882:
Remote Sensing of Clouds and the Atmosphere VII
Klaus P. Schaefer; Olga Lado-Bordowsky; Adolfo Comeron; Richard H. Picard, Editor(s)

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