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The ultraviolet radiation environment of Antarctica - McMurdo Station during September-October 1987Daily data from the Nimbus-7 TOMS were combined with a model of atmospheric radiative transfer to compute the time evolution of ultraviolet irradiance, at wavelengths from 290 to 350 nm, incident on McMurdo Station during September-October 1987. Large changes in column ozone occur as the polar vortex moves over the site. This is accompanied by correspondingly large variations in UV radiation at the earth's surface. At a wavelength near 305 nm, the irradiance in early October exceeds values appropriate to an unperturbed ozone layer by a factor of 5-6. As December 21 approaches, the noontime UV irradiance increases, irrespective of changes in ozone.
Document ID
19890057251
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Lubin, Dan
(Chicago Univ. Chicago, IL, United States)
Frederick, John E.
(Chicago, University IL, United States)
Krueger, Arlin J.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 14, 2013
Publication Date
June 20, 1989
Publication Information
Publication: Journal of Geophysical Research
Volume: 94
ISSN: 0148-0227
Subject Category
Geophysics
Accession Number
89A44622
Funding Number(s)
CONTRACT_GRANT: NAGW-873
Distribution Limits
Public
Copyright
Other

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