Research Article
Impacts of Chemical and Synoptic Processes on Summer Tropospheric Ozone Trend in North China
Figure 1
Location of the study area, NCP (outer rectangular area). The main cities considered are Beijing-Tianjin-Tangshan (BTT, inner rectangular area), Taiyuan (TY), Shijiazhuang (SJZ), Jinan (JN), and Chengde (CD).