Cospectral analysis of eddy momentum flux convergence shows that eddy activity is generally restricted by these phase speed bounds. (gfdl.noaa.gov)
Bushell, A.C., N. Butchart, S. H. Derbyshire, D.R. Jackson, G.J. Schutts, S.B. Vosper, and S. Webster, 2015: Parameterized Gravity Wave Momentum Fluxes from Sources Related to Convection and Large - Scale Precipitation Processes in a Global Atmosphere Model. (embrace-project.eu)
«Intraseasonal to interannual variability of Kelvin wave momentum fluxes as derived from high - resolution radiosonde data.» (arm.gov)