设 Hadley Cell Outline Observations Held-Hou theory (axisymmetric flow,a model that is symmetric about the equator) Lindzen-Hou theory (axisymmetric flow,a model that is asymmetry about the equator) The role of eddies Moisture effects Discussions 授课教师：张洋11授课教师：张洋 11 Hadley Cell - Outline ! Observations ! Held-Hou theory (axisymmetric flow, a model that is symmetric about the equator) ! Lindzen-Hou theory (axisymmetric flow, a model that is asymmetry about the equator) ! The role of eddies ! Moisture effects ! Discussions