咸阳市区空气污染与地面气象要素的关系

利用咸阳市环境监测站2010、2011年的SO2、NO2、PM103种污染物的日平均浓度和同期的地面气象资料,对其进行相关分析,并建立了同期及未来1 d的污染物浓度预报方程。结果表明,污染物浓度与能见度、云量、风速的相关基本稳定,均呈明显负相关,与相对湿度、气压、气温的相关随着季节的变化,其相关性也发生变化;次日的污染物浓度与风速的相关程度好于同期,其他因子随着月份的不同,与同期比较相关程度各异;由同期和未来1 d的预报方程可得出SO2、NO2、PM103种污染物的当日估计值和次日预报值。

The Relationship of Atmospheric Pollution and Surface Meteorological Elements in Xianyang City

Using daily average concentration of SO2 , NO2 , PM10 in Xianyang City environmental monitoring station in 2010, 2011 and corre- sponding surface meteorological data, the correlation analysis was conducted, pollutant concentration prediction equation for synchronization and the next day was established. The results showed that the relativity about pollutant concentration and visibility, cloudiness, wind speed is negative and basically stable, and the relative with humidity, pressure, temperatures are associated with seasonal variation, its relevance chan- ges with the seasons. Related degrees of the next day~ pollutant concentration and wind speed is better than synchronical periods, other factors differ in related degree with months from synchronical periods. From prediction equation, inferences can be made about the estimated value on a single day and the predictive value of the next day of the three pollutants： SO2, NO2 and PM10.