&鲁 Hadley Cell Discussion: UNN Asymmetry about the eguator* Review Lindzen-Hou (1988) Quasi-steady assumption,however the seasonal cycle is temporally progressing; The lack of angular momentum conservation in reality,especially when the angular momentum transport by eddies are significant. The moisture effect is still neglected; 授课教师：张洋7授课教师：张洋 7 Hadley Cell - Discussion: Asymmetry about the equator* ! Lindzen-Hou (1988) ! Quasi-steady assumption, however the seasonal cycle is temporally progressing; ! The lack of angular momentum conservation in reality, especially when the angular momentum transport by eddies are significant. ! The moisture effect is still neglected; Review