Aviation and the Global Atmosphere

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Figure 4-8: Northern Hemisphere total O3 column change as a function of surface area density (SAD) between 14-21 km and 33-90´┐ŻN. Calculations are for EI(NOx)=5 and an HSCT fleet size of 500 aircraft in the 2015 atmosphere. The 27, 38, 82, and 111% change in SAD correspond to SA7, SA5, SA1, and SA3 as listed in Table 4-9, respectively.

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