Held-Hou model (review) -Discussion Review Upper jet:right place,but too large and discontinue. ■ Extent of Hadley Cell:only a finite extent. 0eo.习_i-号arB(6im) 2 9. Hadley cell cannot carry heat from equator to pH￥20.4° EQUATOR 94 POLE the pole,thus cannot be responsible to the LATITUDE 1.6 observed equator-pole temperature difference.So does the wind,momentum and 1.4 heat flux distribution. 12 1.0 ZONAL WIND】 Axisymmetric flow:roles of eddies are AT Z=H neglected. ■ Moisture effect is neglected. Seasonal variation and asymmetry on the equator? ZONAL WIND_ AT Z=0 13Held-Hou model (review) -Discussion 授课教师：张洋 3 ! Axisymmetric flow: roles of eddies are neglected. ! Upper jet: right place, but too large and discontinue. ! Extent of Hadley Cell: only a finite extent. Hadley cell cannot carry heat from equator to the pole, thus cannot be responsible to the observed equator-pole temperature difference. So does the wind, momentum and heat flux distribution. ! Moisture effect is neglected. ! Seasonal variation and asymmetry on the equator? ⇥˜ E(￾, z) ⇥o = 1 ￾ 2 3 ￾HP2(sin ￾) ￾H ⇠ 20.4o Review