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Arctic polar stratospheric cloud observations by airborne lidarLidar observations obtained from January 24 to February 2, 1989, during the Airborne Arctic Stratospheric expedition (AASE) mission further support the existence of two distinct classes (Types 1 and 2) of polar stratospheric clouds (PSCs). Most of the Type 1 PSCs observed were formed by rapid adiabatic cooling and exhibited very low depolarization ratios and low-to-intermediate scattering ratios. Type 2 PSCs were observed in regions of lowest temperature and showed much larger depolarization and scattering ratios, as would be expected from larger ice crystals. PSCs with low scattering ratios but moderate depolarization ratios were observed near the center of the vortex on one flight. These may have been either sparse Type 2 PSCs or Type 1 PSCs formed by less rapid cooling.
Document ID
19900041426
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Mccormick, M. P.
(NASA Langley Research Center Hampton, VA, United States)
Poole, L. R.
(NASA Langley Research Center Hampton, VA, United States)
Kent, G. S.
(Science and Technology Corp. Hampton, VA, United States)
Hunt, W. H.
(Wyle Laboratories, Inc. Hampton, VA, United States)
Osborn, M. T.
(ST Systems Corp. Hampton, VA, United States)
Date Acquired
August 14, 2013
Publication Date
March 1, 1990
Publication Information
Publication: Geophysical Research Letters, Supplement
Volume: 17
ISSN: 0094-8276
Subject Category
Geophysics
Accession Number
90A28481
Distribution Limits
Public
Copyright
Other

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