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CHEM 304 - 2/ 24/12

CHEM 304 - 2/ 24/12. I.C. Stratospheric Chemistry: •  The Antarctic Ozone Hole: - Observations - Non-chemical factors - “The Set-up” - Chemical Processes - “The Action” - Some links and animations FINISH READING CH 2 HW#5 out Web update today.

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CHEM 304 - 2/ 24/12

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  1. CHEM 304 - 2/24/12 I.C. Stratospheric Chemistry: • The Antarctic Ozone Hole: - Observations - Non-chemical factors - “The Set-up” - Chemical Processes - “The Action” - Some links and animations FINISH READING CH 2 HW#5 out Web update today

  2. Ozone Hole links & animations … for starters (What the ___ is this ?) http://www.youtube.com/watch?v=LSuNPbT-uvo&NR=1 (2000 O3 hole animation) http://svs.gsfc.nasa.gov/vis/a000000/a001100/a001167/a001167.mpg (A history lesson) http://ozonewatch.gsfc.nasa.gov/facts/history.html (A good image of the O3 hole and a PSC) http://ozonewatch.gsfc.nasa.gov/facts/hole.html

  3. How do we measure Ozone?

  4. Data from Farman’s “Dobson” Measurements

  5. Polar Stratospheric Clouds

  6. The polar Vortex ..

  7. Priming the Chemistry…

  8. Cl2 is a very “shallow” reservoir … why ?

  9. <— Anomalous Hi ClOx Onset of “Dimer” Chemistry —>

  10. At some altitudes there is excess ClOx - the Ozone has been “titrated” out of the sky !

  11. More Ozone Hole links & animations … (2000 O3 hole animation) http://svs.gsfc.nasa.gov/vis/a000000/a001100/a001167/a001167.mpg (1997 O3 hole animation) http://jwocky.gsfc.nasa.gov/multi/epanim97.html (Annual Changes)http://www.youtube.com/watch?v=taTzqRHNIEc (A short NASA Video info …) http://www.youtube.com/watch?v=qUfVMogIdr8&NR=1 (Arctic O3 Hole ?) http://svs.gsfc.nasa.gov/vis/a000000/a001000/a001087/ (Other Links ) http://ozonewatch.gsfc.nasa.gov/facts/hole.html http://ozonewatch.gsfc.nasa.gov/multimedia/index.html (Mucho multimedia !)

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