%0 Journal Article %T The Origin of Nonlinear Signatures of Planetary Wave Dynamics: Mean Phase Space Tendencies and Contributions from Non-Gaussianity %A Franzke, Christian %A Majda, Andrew J. %A Branstator, Grant %J Journal of the Atmospheric Sciences %V 64 %N 11 %P 3987-4003 %@ 1520-0469 %D 2007-11-22 %I American Meteorological Society %~ DeepDyve