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. 2008 Dec 1;105(49):19154–19159. doi: 10.1073/pnas.0804844105

Fig. 1.

Fig. 1.

Global mean temperature (Kelvin) change after 1 year of emissions from the major transportation modes given per component and for the total net effect. AIC, aviation-induced cirrus; PC, persistent contrails; O3 PM, primary mode ozone. Note that the first data points represent the responses 12 months after the emissions perturbations.