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Proceedings Paper

Ice cloud microphysical property retrieval using airborne two-frequency radars
Author(s): Zhien Wang; Gerald M. Heymsfield; Lihua Li; Andrew J. Heymsfield
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Paper Abstract

An algorithm to retrieve the optically thick ice cloud microphysical property profiles is developed by using the GSFC 9.6 GHz ER-2 Doppler Radar (EDOP) and the 94 GHz Cloud Radar System (CRS) measurements aboard the high-altitude ER-2 aircraft. In situ size distribution and total water content data from the CRYSTAL-FACE field campaign are used for algorithm development. To reduce uncertainty in calculated radar reflectivity factors (Ze) at these wavelengths, coincident radar measurements and size distribution data are used to guide the selection of mass-length relationship and to deal with the density and non-spherical effects of ice crystals on Ze. The algorithm is able to retrieve microphysical property profiles of optically thick ice clouds, such as, deep convective and anvil clouds, which are very challenge for single frequency radar and lidar. An example of retrieved microphysical properties of a deep convective cloud is presented.

Paper Details

Date Published: 22 December 2004
PDF: 9 pages
Proc. SPIE 5654, Microwave Remote Sensing of the Atmosphere and Environment IV, (22 December 2004); doi: 10.1117/12.578793
Show Author Affiliations
Zhien Wang, Univ. of Maryland/Baltimore County (United States)
NASA Goddard Space Flight Ctr. (United States)
Gerald M. Heymsfield, NASA Goddard Space Flight Ctr. (United States)
Lihua Li, Univ. of Maryland/Baltimore County (United States)
NASA Goddard Space Flight Ctr. (United States)
Andrew J. Heymsfield, National Ctr. for Atmospheric Research (United States)


Published in SPIE Proceedings Vol. 5654:
Microwave Remote Sensing of the Atmosphere and Environment IV
Gail Skofronick Jackson; Seiho Uratsuka, Editor(s)

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