Polar Ozone: Stratosphere-Troposphere Coupling and recent Changes

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Polar Ozone Stratosphere-Troposphere Coupling
and recent Changes
Proseminar Presentation Techniques
Axel Behrendt
16.01.08
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Contents
Part A Stratosphere-Troposphere
Coupling Part B Recent Polar Ozone Changes

1. Radiation
2. Dynamics
3. Composition of the Stratosphere
4. Impact on Climate

1. Antarctic Ozone Hole 2002
2. Polar Ozone Trends

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1. Radiation
Increase of Greenhouse Gases
http// www.usgcrp.gov
Part A Stratosphere-Troposphere Coupling
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1. Radiation
11-Year Sun-Cycle
http//www.solcomhouse.com
Part A Stratosphere-Troposphere Coupling
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2. Dynamics
Part A Stratosphere-Troposphere Coupling
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2. Dynamics
Quasi Biennial Oscillation
http//www.nwra.com
Part A Stratosphere-Troposphere Coupling
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2. Dynamics
Chemical Composition of the Troposphere

• Long lived species CH4, N2O, CFCs, COS,

• Short lived species SO2
  DMS

Part A Stratosphere-Troposphere Coupling
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3. Composition of the Stratosphere
Stratospheric Aerosols (SO2, COS from
volcanoes)
Part A Stratosphere-Troposphere Coupling
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4. Impact on Climate
500 hPa Geopotential Height m
Surface Temp. K and Winds
From WMO-Report 2007
Part A Stratosphere-Troposphere Coupling
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Part B Recent Polar Ozone
Changes
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1. The Antarctic Ozone Hole 2002
http//www.nasa.gov
From WMO-Report 2007
Part B Recent Polar Ozone Changes
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2. Polar Ozone Trends
Antarctic
http//www.classzone.com
http//www.physicalgeography.net
Part B Recent Polar Ozone Changes
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2. Polar Ozone Trends
http//www.acia.uaf.edu/
Part B Recent Polar Ozone Changes
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Thanks for your attention !!
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