Simple energy balance climate models In equilibrium, SW Qs(x)A(T)-I(T)+F(T)-0 ↓ The snow line case:infrared cooling I=A+BT Atmosphere F(T)-CT-T) Assume: A(T)=a=0.4, for T<Tsnow 动力输送 三 6=0.7, for T>Tsnow 三 a+8 29 for T=Tsnow Tsnow=-10°C s(x)=1-0.241(3x2-1) Surface A=211.1Wm-2,andB=1.55Wm2(°C)-1 授课教师：张洋3A = 211.1 Wm￾2, and B = 1.55 Wm￾2( oC) ￾1 s(x)=1 ￾ 0.241(3x2 ￾ 1) 授课教师：张洋 13 Simple energy balance climate models Atmosphere Surface SW LW 动⼒输送 In equilibrium, Qs(x)A(T) ￾ I(T) + F(T)=0 The snow line case: infrared cooling I = A + BT F(T) = C(T¯ ￾ T) A(T) = ↵ = 0.4, for T <Tsnow = ￾ = 0.7, for T >Tsnow = ↵+￾ 2 , for T = Tsnow Tsnow = ￾10oC Assume: