李沧区“十一五”期间SO_2污染现状分析及对策

Analysis on SO_2 pollution and Countermeasures during 11th Five-year Plan in Licang District

以"十一五"期间李沧区环境空气质量自动监测中SO2的监测数据为依据,分析了五年间SO2浓度的月、季节和年际变化特征,并采用Daniel趋势检验法对SO2浓度变化进行了趋势分析。结果表明,"十一五"期间李沧区SO2年均浓度呈下降趋势,月际变化呈明显的季节特征,冬季污染较严重,夏季污染较轻。通过对产生现状的原因进行深入分析,最后提出相应的防治对策,为改善环境空气质量提供科学依据,为管理部门决策提供技术支持。

According to the SO2 monitoring data during the 1 hh Five-year Plan, the annual, quarterly and monthly characteristics of SO2 pollution were analyzed. The changing trends of SO2 concentration in five years were described by using Daniel Tendency Verification. The conclusions showed that the annual concentration of SO2 decreased during the 1 lth Five-year Plan; the monthly change showed characteristic seasonal variation, indicating that the SO2 pollution was high in winter but low in summer. Through depth analysis on the causes of pollution, this paper expounded the corresponding prevention and countermeasures, offered scientific basis for improving air quality and provided technical support for polices-making departments.