- Simulation study on the effect of key industrial sources on air quality in winter heavy pollution process in Jinan
- Abstract：Based on the CALPUFF model, the atmospheric environmental monitoring and meteorological observation data of Jinan City, the influence of elevated key industrial sources on the near ground environmental air quality was simulated and analyzed during one heavy pollution process. The results showed that the winter atmosphere was weakly heated by surface heat and was prone to inversion temperature. At this point the atmosphere was relatively stable, leading to pollutants was not easy to spread, hinder the vertical movement of the atmosphere, so that pollutants and water vapor continued to accumulate, thus heavily polluted weather was formed. In the heavy pollution process, the largest contribution rate of all the sources in Jinan was NO2, followed by SO2, primary PM10 was the smallest, which was 30.64%, 17.75% and 3.60% respectively. Accounting for the maximum rate was NO2, followed by SO2, primary PM10 was the smallest, which was 8.01%, 5.01% and 0.72% respectively. The correlation between the contribution rates of the above-mentioned three pollutants and the monitored data was poor, indicating that the key industrial elevated point sources had limited impact on the near ground environment under adverse weather.