Narrowing of the mid-latitude atmospheric circulation under climate change due to competing influences of polar and tropical processes

Yannick Peings, University of California Irvine, Earth System Science, Irvine, CA, United States, Gudrun Magnusdottir, University of California Irvine, Irvine, CA, United States and Julien Cattiaux, CNRM-GAME, Toulouse Cedex 01, France