Hadley Cell Observations 585 200 Zonal winds 400 (U,纬向风) 600 800 -2.5 Annual 100 S.P. 60s 40S 20S E.Q. 20N 40N 60N N.P. Subtropical 一0月o 200 400 600 10 800 DJF 100 .P. 60s 40S 20S E.Q. 20N 40N 60N N.P. Subtropical Jet 200 400 600 800 4-2.5 JJA 08 0 60S 40S 20S E.Q. 20N 40N 60N N.P.授课教师：张洋 8 Hadley Cell - Observations n Zonal winds (U, 纬向⻛) S.P. 60S 40S 20S E.Q. 20N 40N 60N N.P. 200 400 600 800 1000 5 5 5 5 5 5 5 10 10 10 10 10 10 15 15 15 15 15 20 20 20 25 25 25 0 0 0 0 0 0 −5 −5 −5 −2.5 −2.5 −2.5 −2.5 Pressure (hpa) S.P. 60S 40S 20S E.Q. 20N 40N 60N N.P. 200 400 600 800 1000 5 5 5 5 5 5 5 10 10 10 10 10 10 15 15 15 15 15 20 20 20 20 20 25 25 30 25 35 40 0 0 0 0 0 0 0 −5 −5 −5 −2.5 −2.5 −2.5 − Pressure (hpa) 2.5 S.P. 60S 40S 20S E.Q. 20N 40N 60N N.P. 200 400 600 800 1000 5 5 5 5 5 5 10 10 10 10 10 15 15 15 20 20 20 25 25 30 30 35 35 40 0 0 0 0 0 0 0 − −10 10 −5 −5 −5 −5 −2.5 −2.5 −2.5 −2.5 Pressure (hpa) Annual DJF JJA Subtropical Jet Subtropical Jet