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Aviation and the Global Atmosphere

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<strong>Aviation</strong> <strong>and</strong> <strong>the</strong> <strong>Global</strong> <strong>Atmosphere</strong><br />

2.1.3. Effects of Aircraft Aerosol Emissions<br />

2.1.3.1. Aerosols <strong>and</strong> Tropospheric Ozone Chemistry<br />

2.1.3.2. Aerosols <strong>and</strong> Stratospheric Ozone Chemistry<br />

2.1.3.3. Aircraft Aerosols <strong>and</strong> Heterogeneous Reactivity<br />

2.1.3.4. Net Effects on Ozone<br />

2.1.4. Indirect Effects Involving CO <strong>and</strong> CH<br />

2.2. Impacts of Present <strong>Aviation</strong> on Atmospheric Composition<br />

2.2.1. Modeling Changes in Atmospheric Ozone from Present <strong>Aviation</strong><br />

2.2.1.1. Effects of Aircraft NOx Emissions on Tropospheric Ozone<br />

2.2.1.2. Effects of Aircraft NOx Emissions on Stratospheric Ozone<br />

2.2.1.3. Effects of Aircraft Aerosol Emissions<br />

2.2.2. Observing Changes in Atmospheric Ozone from Present <strong>Aviation</strong><br />

2.2.2.1. Observed Ozone Trends in <strong>the</strong> Upper Troposphere <strong>and</strong> Lower Stratosphere<br />

2.2.2.2. O<strong>the</strong>r Diagnostics of Large-Scale <strong>Aviation</strong> Impacts<br />

2.3. Uncertainties in <strong>the</strong> Impact Assessment of Present <strong>Aviation</strong>: Implications for Use of Models in Predicting Future Change<br />

2.3.1. Uncertainties in Modeling <strong>Aviation</strong> Impacts<br />

2.3.1.1. Key Issues <strong>and</strong> Processes for Tropospheric Models<br />

2.3.1.2. Tropospheric Model Evaluation<br />

2.3.1.3. Key Issues <strong>and</strong> Processes for Stratospheric Models<br />

2.3.1.4. Stratospheric Model Evaluation<br />

2.3.1.5. Implications for Modeling <strong>Aviation</strong> Impacts<br />

2.3.2. Uncertainties in Observing <strong>Aviation</strong> Impacts<br />

2.4. Conclusions <strong>and</strong> Overall Assessment of Present <strong>Aviation</strong> Impacts on Ozone<br />

http://www.ipcc.ch/ipccreports/sres/aviation/020.htm (2 von 3)08.05.2008 02:40:55

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