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National Oceanic and Atmospheric Administration Geophysical Fluid Dynamics Laboratory Princeton, NJ 08542 Stratospheric trends.

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Presentation on theme: "National Oceanic and Atmospheric Administration Geophysical Fluid Dynamics Laboratory Princeton, NJ 08542 Stratospheric trends."— Presentation transcript:

1 National Oceanic and Atmospheric Administration Geophysical Fluid Dynamics Laboratory Princeton, NJ 08542 http://www.gfdl.noaa.gov Stratospheric trends in coupled chemistry-climate models John Austin

2 UMETRAC in comparison with UM Ozone trends: relationship with T trends (qualitative) EuroSPICE results Past completed studies at UKMO

3 Trends from the SPARC ozone database

4 UMETRAC ozone trends Austin and Butchart `03

5 UMETRAC Temperature trends Austin and Butchart `03.

6 Global average T trends UMETRAC and UM

7 Ozone trends EuroSPICE models

8 Temperature trends EuroSPICE models

9 Acknowledgements The EuroSPICE modelling team: N. Butchart, J. Damski, L. Grenfell, J. Hampson, S. Knight, U. Langematz. L. Tholix

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