&会 Held-Hou model -Extent of Hadley Cell Review ΦH ΦH 白cosφd0= 白cos od0 0 Radiative equilibrium temperature 百FROM EQ.l2) 日(，=1- anA(mo+a(后-司 △H fractional temperature difference between equator and pole 百（中H)=日EH) △u fractional temperature difference between ground and top Psecond Legendre polynomial,()1) Vertical average: ⊙eo,习=1-号△aPB(sin0) 2 EQUATOR POLE LATITUDE 授课教师：张洋 9授课教师：张洋 9 Held-Hou model -Extent of Hadley Cell ⇥˜ (￾H) = ⇥˜ E(￾H) Z ￾H 0 ⇥˜ cos ￾d￾ = Z ￾H 0 ⇥˜ E cos ￾d￾ ￾H - fractional temperature di↵erence between equator and pole ⇥E(￾, z) ⇥o = 1 ￾ 2 3 ￾HP2(sin ￾) + ￾v( z H ￾ 1 2 ) P2 - second Legendre polynomial, P2(x) = 1 2 (3x2 ￾ 1) ⇥˜ E(￾, z) ⇥o = 1 ￾ 2 3 ￾HP2(sin ￾) n Radiative equilibrium temperature Vertical average: ￾v - fractional temperature di↵erence between ground and top Review