Aviation and the Global Atmosphere

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Figure 3-25: Annually and zonally averaged perturbation of sulfate aerosol surface area density (in Ám2 cm-3) caused by an HSCT fleet of 500 aircraft flying at Mach 2.4 according to AER 2-D model (Weisenstein et al., 1997). A sulfur emission index of 0.2 g kg-1 and a 10% conversion to sulfate particles with 10-nm radius in the plume are assumed in these calculations.

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