1. The Atmosphere: One component of the climate system Composition / Structure Radiative transfer Vertical and latitudinal heat transport Atmospheric circulation Climate modeling Suggested further reading: Hartmann, Global Physical Climatology (Academic Press, 1994)

2. Atmospheric layers

3. Typical Vertical Profiles pressure temperature

4. Solstice surface temperatures Annual range

5. Sea surface temperature

6. Atmospheric composition

8. Atmospheric layers

9. Evolution of halogenated gases

10. Growth of CO 2 and CH 4

14. Atmospheric mass

15. Total mass ~ 5 x 10 18 kg = 5 x 10 15 t

16. Atmospheric mass Total mass ~ 5 x 10 18 kg = 5 x 10 15 t ~ 7 x 10 5 t per capita

17. Atmospheric mass Total mass ~ 5 x 10 18 kg = 5 x 10 15 t ~ 7 x 10 5 t per capita CO 2 (370 ppm) : ~ 200 t per capita

18. Atmospheric mass Total mass ~ 5 x 10 18 kg = 5 x 10 15 t ~ 7 x 10 5 t per capita CO 2 (370 ppm) : ~ 200 t per capita O 3 (0.5 ppm) : ~ 300 kg per capita

19. Atmospheric mass Total mass ~ 5 x 10 18 kg = 5 x 10 15 t ~ 7 x 10 5 t per capita CO 2 (370 ppm) : ~ 200 t per capita O 3 (0.5 ppm) : ~ 300 kg per capita [Cl] (2 ppb) : ~ 1.5 kg per capita

21. Atmospheric absorption

23. Planetary energy balance

24. Total albedo (observed from space)

25. Planetary energy balance

27. Emission temperature Planetary energy balance

28. Net outgoing longwave radiation (measured from space: Wm -2 ) Recall: absorbed solar rad per unit area