85th AMS Annual Meeting

Tuesday, 11 January 2005
Lidar depolarization ratios from CRYSTAL-FACE thunderstorm anvils
James R. Campbell, University of Alaska, Fairbanks, AK; and K. Sassen, M. J. McGill, and W. D. Hart
Poster PDF (125.6 kB)
During the 2002 CRYSTAL-FACE experiment, depolarization lidar instruments were operated both at the ground and from an airborne platform. Linear depolarization ratios from thunderstorm anvil measurements made by these two YAG-based (532 nm) systems, the University of Utah Polarization Diversity Lidar (PDL) and the Cloud Physics Lidar (CPL) aboard the NASA ER-2 aircraft, are reported. We correlate the occurrence of observed values with respect to ambient thermal properties so as to characterize the scattering characteristics of sub-tropical convective cirrus. We compare our results to those from midlatitudes to infer possible cloud microphysical differences.

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