... increases the pseudomomentumof the wavepacket, because it compresses the wavepacket in the x-direction whilststretching it in the y-direction. At the same time, the Bretherton flow induced by the ... For instance, Coriolis forces were neglected throughout, but they can beincorporated both in GLM theory and in the other theoretical developments; this hasbeen done in the quoted references. The ... balance, 70 , 80, 118Cyclostrophic balance, 7 DDeformation radius, 67 Doppler-shifting, 151EEddiescommon properties, 61mesoscale, 62, 65, 67, 77 , 87 submesoscale, 65, 67, 73 , 77 Ekmanboundary...