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Radiative effects of polar stratospheric clouds during the Airborne Antarctic Ozone Experiment and the Airborne Arctic Stratospheric ExpeditionResults are presented of a study of the radiative effects of polar stratospheric clouds during the Airborne Antarctic Ozone Experiment (AAOE) and the Airborne Arctic Stratospheric Expedition (AASE) in which daily 3D Type I nitric acid trihydrate (NAT) and Type II water ice polar stratospheric clouds (PSCs) were generated in the polar regions during AAOE and the AASE aircraft missions. Mission data on particular composition and size, together with NMC-analyzed temperatures, are used. For AAOE, both Type I and Type II clouds were formed for the time period August 23 to September 17, after which only Type I clouds formed. During AASE, while Type I clouds were formed for each day between January 3 and February 10, Type II clouds formed on only two days, January 24 and 31. Mie theory and a radiative transfer model are used to compute the radiative heating rates during the mission periods, for clear and cloudy lower sky cases. Only the Type II water ice clouds have a significant radiative effect, with the Type I NATO PSCs generating a net heating or cooling of 0.1 K/d or less.
Document ID
19920059279
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Rosenfield, Joan E.
(NASA Goddard Space Flight Center; Universities Space Research Association, Greenbelt, MD, United States)
Date Acquired
August 15, 2013
Publication Date
May 30, 1992
Publication Information
Publication: Journal of Geophysical Research
Volume: 97
Issue: D8, M
ISSN: 0148-0227
Subject Category
Meteorology And Climatology
Accession Number
92A41903
Distribution Limits
Public
Copyright
Other

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