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Enhanced ultraviolet transmission of Antarctic sea ice during the austral spring
Author(s) -
Trodahl H. J.,
Buckley R. G.
Publication year - 1990
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/gl017i012p02177
Subject(s) - radiance , spring (device) , ozone depletion , sea ice , environmental science , oceanography , atmospheric sciences , transmission (telecommunications) , arctic ice pack , geology , remote sensing , physics , engineering , electrical engineering , thermodynamics , stratosphere
In determining the effect of the recent enhanced UV levels on Antarctic life it is important to know UV radiance under the vast sea ice cover surrounding the continent. This radiance is influenced by the transmission of the ice, and in this paper we report the first UV measurements on this turbid medium. The transmission is found to be largest in the Spring, so that life under the ice has always experienced its major UV irradiation dose in October. Dose enhancements by as much as an order of magnitude will have been experienced under the ozone holes of recent years.