Beichangshan Island of Changdao was selected as background observation station. Since March 1,2006 to February 28,2007, SO2 has been observed for 365 days continuously and analysed the relationship of SO2 Background Concentration and surface wind by using the Correlation analysis method.% 本文选择山东长岛县北长山岛作为背景观测点,从2006年3月1日至2007年2月28日,对 SO2进行了365天的连续观测,并使用相关分析方法,分析了 SO2的背景浓度与地面风的关系
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