Boundary-Layer Characteristics of Persistent Regional Haze Events and Heavy Haze Days in Eastern China

Figure 7

Temperature profiles of the advancing edge of a cold front (ACF) pattern during consecutive regional haze days at XuZhou (XZ), SheYang (SY), NanJing (NJ), and ShangHai (SH) ((a) 1982-12-11–1982-12-24, (b) 2003-10-24–2003-11-03, (c) 2005-01-11–2005-01-20, and (d) 2011-12-28–2012-01-07). Lower height of temperature inversions (LHTI), upper height of temperature inversions (UHTI), and intensities of the temperature inversions (ITI).

(a)

(b)

(c)

(d)