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Satellite observations of polar mesospheric clouds by the solar backscattered ultraviolet spectral radiometer - Evidence of a solar cycle dependenceResults are presented on eight years of satellite observations of the polar mesospheric clouds (PMCs) by the SBUV spectral radiometer, showing that PMCs occur in the summertime polar cap regions of both hemispheres and that they exhibit year-to-year variability. It was also found that the increase in the PMC occurrence frequency was inversely correlated with solar activity. Two kinds of hemispherical asymmetries could be identified: (1) PMCs in the Northern Hemisphere were significantly brighter than in the Southern Hemisphere, in accordance with previous results derived from SME data; and (2) the solar cycle response in the south is more pronounced than in the north. The paper also describes the cloud detection algorithm.
Document ID
19910038931
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Thomas, Gary E.
(Colorado, University Boulder, United States)
Mcpeters, Richard D.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Jensen, Eric J.
(NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
August 15, 2013
Publication Date
January 20, 1991
Publication Information
Publication: Journal of Geophysical Research
Volume: 96
ISSN: 0148-0227
Subject Category
Geophysics
Accession Number
91A23554
Funding Number(s)
CONTRACT_GRANT: N00014-86-K-0535
Distribution Limits
Public
Copyright
Other

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