Latent heat and water vapor Seasonal variation:strongest in the subtropics, monsoon regions 90N △ (g kg JAN-JUL 60 30 -81 EQ es≈6.11xe(3-) 30 LH=Lq Co 60 9=RH×q* b L1上上山十十十十十↓L上L山上L上 180 120 60W 0 60E 120 180 授课教师：张洋6
授课教师：张洋 6 Latent heat and water vapor LH = Lq es ⇠ = 6.11 ⇥ e L Rv ( 1 273 1 T ) q = RH ⇥ q⇤ http://www.adultpdf.com Created by Image To PDF trial version, to remove this mark, please register this software. n Seasonal variation: strongest in the subtropics, monsoon regions
及图 Features of monsoonal circulation: -an Indian monsoon example TRMM Merged Precip Jul 2003 (mm/d) 0 481216 20+ TRMM Merged Precip Jan 2003 (mm/d) 0 812 16 20+ 授课教师：张洋7
授课教师：张洋 7 Features of monsoonal circulation: -an Indian monsoon example
Features of monsoonal circulation: -an Indian monsoon example DJF MAM 30 30 The seasons of winter 30 -30 )306090120150 0306090120150 and summer might be JJA SON better described as dry 30 30 and moist seasons -30 -301 30 60 90 120 150 0 30 60 90 120 150 Figure 1.11 Climatological mean rainfall rate for the four seasons.The coutour interval is 2.5 mmday;heavy shading denotes rainfall greater thau 5-10 mmday1.(from Clift and Plumb,2008) 授课教师：张洋8
授课教师：张洋 8 Features of monsoonal circulation: -an Indian monsoon example The seasons of winter and summer might be better described as dry and moist seasons. (from Clift and Plumb, 2008)
Features of monsoonal circulation: -an Indian monsoon example 10ms1 DJF MAM 30 30 30 30 0 306090120150 30 60 90120150 An obvious 101 SON reverse of the 30 30 prevailing winds -301 306090120150 0 3060 90 120150 Fignre 1.12 Climatological mean low level (850h Pa)winds for the four seasons. The scale for the wind arrows is shown at the top left of each plot.The heavy lines mark regions of seasonal mean rainfall in excess of 7.5 mm day 1. (from Clift and Plumb,2008) 授课教师：张洋 9
授课教师：张洋 9 Features of monsoonal circulation: -an Indian monsoon example An obvious reverse of the prevailing winds Somali Jet (from Clift and Plumb, 2008)