Urban Boundary-Layer Stability and Turbulent Exchange during Consecutive Episodes of Particle Air Pollution in Beijing, China |
Figure 4 Composite diurnal behaviors of a Ri B , b H , c R w¦È , and d LE. In a and c, filled circles denote hourly median values of | Ri B | using data with the predominant +- sign and R w¦È , respectively. The study period is 15-30 April 2012. |
![]() |