February 28, 2007
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FROM VOLUME 9, NUMBER 3, MARCH 1996
"Climatic Effects of Air Traffic," R.A. Egli (Etzelstr. 15,
CH-8200 Schaffhausen, Switz.), Environ. Conserv., 22(3),
196-198, Autumn 1995.
A synopsis of recent research results on two major types of impact. Air
traffic contributes to ozone formation in the upper troposphere, causing global
warming comparable to the CO2 emissions it generates, and also increases cirrus
cloud cover. Water, NOx and SO2 emissions may contribute to stratospheric ozone
"Atmospheric Effects of Aviation: Subsonic Aircraft," H.B.
Singh (NASA-Ames, Moffett Field CA 94035), Atmos. Environ., 28(21),
3552, Dec. 1995.
Since the 1970s, the ozone depletion potential of supersonic
stratospheric aircraft has been scrutinized, but relatively little attention has
been devoted to the current and projected impacts of subsonic fleets.
This essay explains concerns involving two interacting areas: alteration of the
distribution of ozone in the upper troposphere, and perturbation of the
radiation balance by various emissions. New instruments and aircraft platforms
will contribute to the increased scientific attention this topic will receive in
the next few years.
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