Articles | Volume 3, issue 3
Research article
04 Aug 2022
Research article |  | 04 Aug 2022

Pacific Decadal Oscillation modulates the Arctic sea-ice loss influence on the midlatitude atmospheric circulation in winter

Amélie Simon, Guillaume Gastineau, Claude Frankignoul, Vladimir Lapin, and Pablo Ortega

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Cited articles

Acosta Navarro, J. c., García-Serrano, J., Lapin, V., and Ortega, P.: Added value of assimilating springtime Arctic sea ice concentration in summer-fall climate predictions, Environ. Res. Lett., 17, 064008,, 2022. 
Andrews, D. G., Leovy, C. B., and Holton, J. R.: Middle atmosphere dynamics Vol. 40, New York, Academic Press, (last access: 18 March 2022), 1987. 
Aumont, O., Ethé, C., Tagliabue, A., Bopp, L., and Gehlen, M.: PISCES-v2: an ocean biogeochemical model for carbon and ecosystem studies, Geosci. Model Dev., 8, 2465–2513,, 2015. 
Baldwin, M. P. and Dunkerton, T. J.: Propagation of the Arctic Oscillation from the stratosphere to the troposphere, J. Geophys. Res.-Atmos., 104, 30937–30946, 1999. 
Blackport, R. and Kushner, P. J.: The transient and equilibrium climate response to rapid summertime sea-ice loss in CCSM4, J. Climate, 29, 401–417, 2016. 
Short summary
The influence of the Arctic sea-ice loss on atmospheric circulation in midlatitudes depends on persistent sea surface temperatures in the North Pacific. In winter, Arctic sea-ice loss and a warm North Pacific Ocean both induce depressions over the North Pacific and North Atlantic, an anticyclone over Greenland, and a stratospheric anticyclone over the Arctic. However, the effects are not additive as the interaction between both signals is slightly destructive.