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Smog Formation and Composition in Urban Areas

Explore the factors contributing to smog formation in urban environments, including volatile organic compound and nitrogen oxide emissions. Learn about reaction pathways and radical reactions, with a focus on the composition of auto exhaust and time profiles in Los Angeles.

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Smog Formation and Composition in Urban Areas

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Presentation Transcript

  1. Troposphere Photochemical Smog

  2. The Ingredients of Smog

  3. Volatile Organic Compound Emissions (VOC’s)

  4. Nitrogen Oxide Emissions (NOx)

  5. Possible reaction pathways for chemical emissions

  6. NO2. Absorption Spectra For  < 400 nm

  7. Decomposition of VOC’s

  8. Radical Reactions

  9. The Ingredients of Smog

  10. Ozone Nonattainment Areas

  11. Time profile of smog forming chemicals in Los Angeles

  12. Composition of auto exhaust as air-fuel ratio varies

  13. Time profile of smog forming chemicals in Los Angeles

  14. END

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