Sensitivity of northern hemisphere surface climate to simulation of the stratospheric polar vortex

Details Sensitivity of northern hemisphere surface climate to simulation of the stratospheric polar vortex Sensitivity of northern hemisphere surface climate to simulation of the stratospheric polar vortex

Jun 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30l..29n&link_type=abstract

Geophysical Research Letters, Volume 30, Issue 12, pp. 29-1, CiteID 1627, DOI 10.1029/2003GL016958

Physics

28

Global Change: Climate Dynamics (3309), Meteorology And Atmospheric Dynamics: Stratosphere/Troposphere Interactions, Meteorology And Atmospheric Dynamics: Middle Atmosphere Dynamics (0341, 0342)

Scientific paper

A sensitivity experiment has been performed with a stratosphere-resolving GCM where the mean state and variability of the stratosphere have been altered. It is shown that this has a significant effect on the mean and variability of wintertime northern hemisphere surface climate. In particular it is shown that the stratosphere strongly contributes to the persistence of the surface Arctic Oscillation at lags of 10-25 days. This confirms the importance of the stratosphere on surface climate that has been inferred by recent studies examining the Arctic Oscillation in reanalysis datasets.

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