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

Figure 6

Temperature profiles of the equalized pressure (EQP) type during persistent regional haze days at XuZhou (XZ), SheYang (SY), NanJing (NJ), and ShangHai (SH) ((a) 1984-10-31–1984-11-08, (b) 1991-06-20–1991-06-27, (c) 1999-09-25–1999-09-29, (d) 2000-12-03–2000-12-09, and (e) 2007-09-08–2007-09-17). Lower height of temperature inversions (LHTI), upper height of temperature inversions (UHTI), and intensities of the temperature inversions (ITI).

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