Ground-based measurement of cirrus cloud optical properties as validation to aircraft- and satellite-based cloud studies

Daniel H. DeSlover; David D. Turner; David N. Whiteman; William L. Smith

doi:10.1117/12.462372

18 April 2003 Ground-based measurement of cirrus cloud optical properties as validation to aircraft- and satellite-based cloud studies

Daniel H. DeSlover, David D. Turner, David N. Whiteman, William L. Smith

Author Affiliations +

Proceedings Volume 4882, Remote Sensing of Clouds and the Atmosphere VII; (2003) https://doi.org/10.1117/12.462372
Event: International Symposium on Remote Sensing, 2002, Crete, Greece

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.

Citation Download Citation

Daniel H. DeSlover, David D. Turner, David N. Whiteman, and William L. Smith "Ground-based measurement of cirrus cloud optical properties as validation to aircraft- and satellite-based cloud studies", Proc. SPIE 4882, Remote Sensing of Clouds and the Atmosphere VII, (18 April 2003); https://doi.org/10.1117/12.462372

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