Physics
Scientific paper
May 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002georl..29j.138g&link_type=abstract
Geophysical Research Letters, Volume 29, Issue 10, pp. 138-1, CiteID 1500, DOI 10.1029/2001GL014444
Physics
8
Global Change: Atmosphere (0315, 0325), Global Change: Climate Dynamics (3309), Meteorology And Atmospheric Dynamics: General Circulation
Scientific paper
The Arctic Oscillation index has increased significantly over the past forty years, and such an increase has been simulated in response to greenhouse gas increases in several climate models. However, it has been suggested that an atmospheric model with an upper boundary in the upper stratosphere or mesosphere is required to simulate a realistic response, and that predictions made with standard climate models are hence unreliable. Here we show that a climate model with a 30-km upper boundary shows no increase in its surface Arctic Oscillation response to doubled carbon dioxide when its upper boundary is raised to 80 km. Neither model version shows a significant Arctic Oscillation response to stratospheric ozone depletion.
Allen Myles R.
Gillett Nathan P.
Williams Keith D.
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