| Abstract: Frictional convergence due to large-scale equatorial
waves discussed by Holton, et al. (1971) and Yamasaki (1971) is re-examined
diagnostically on the assumption that the Ekman layer solution does not
extend to infinite height. It is found that frictional convergence is not
singular but extreme at the critical latitude where the Coriolis frequency
is equal to the wave frequency for even meridional modes, while it attains
its maximum at the equator for odd modes contrary to the result by Holton,
et al. (1971). |