Interim Review of the Subsonic Assessment Project Management, Science, and Goals (1997) / Chapter Skim
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Introduction
Introduction
Pages 3-4
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Recent work has suggested that climatic impacts of upper-tropospheric ozone changes caused by the current subsonic aircraft fleet should be relatively minor, but impacts of aircraft-related particles on climate and lower-stratospheric ozone are largely unknown. Furthermore, with air traffic a rapidly growing part of the transport sector, especially in developing countries, this particular type of fossil-fuel pollution is likely to increase more rapidly than others.
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is designed to assess the effects of emissions from both the current world fleet of subsonic aircraft and a likely larger future fleet. The next chapter of this PAEAN report discusses two of the major issues related to the current subsonic air fleet's emissions: the emittants' potential effect on ozone, principally through NOx, and the possible radiative forcing of climate resulting from aerosol scattering and increased cloudiness.
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