Characterization and source study of aerosol episodes in spring 2002 in coastal China

【摘要】：正Changdao (37.91N, 120.73E), on the divide between Bo Sea and Yellow Sea, is a small island 20 kilometers off shore to the north of the Shandong peninsula in China. It is to the south of Northeastern China, to the north of Shandong and Jiangsu provinces, to the east of Beijing, Tianjin, and Hebei province, and to the west of Korean peninsula. Due to its location, it is a receptor site of various aerosol