Hadley Cell Observations RE temperature gradient and observed temperature distribution SW solar radiation infrared cooling Qs(x)A(T)= I(T) Atmosphere 300 280 wM) (a) (b) 200 240- 100 200 Incomlng solar Radlative equll.temp. ---Outgoing IR 160 ---Effective emitting temp. 0 30 90 0 30 90 Surface latitude latitude (Vallis,2006) 授课教师：张洋 10授课教师：张洋 10 Hadley Cell - Observations n RE temperature gradient and observed temperature distribution Atmosphere Surface SW LW solar radiation = infrared cooling Qs(x)A(T) = I(T) I = ￾T4 rad (Vallis, 2006)