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The Circumglobal Waveguide Pattern
| PI: |
Frank Selten |
| Institution: |
KNMI |
| Additional Investigators: |
Grant Branstator |
| Abstract: |
In a recent analysis of climate change simulations with the NCAR CCSM1.4, Branstator and Selten found that the extra-tropical climate change in winter in the Northern hemisphere is characterised by an internal mode of variability, the Circumglobal Waveguide Pattern. It is excited from the tropics through a change in the distribution of tropical rainfall in response to the greenhouse gas induced inhomogeneous warming of the tropical oceans. We wish to analyse the spread in the inhomogeneous warming of the tropical oceans and the related spread in the simulated extra tropical climate change in the multi model scenario integrations.
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