Key Laboratory of Regional Climate-Environment Research for Temperate East Asia (RCE-TEA);
Institute of Atmospheric Physics Chinese Academy of Sciences;
Beijing 100029;
China;
Graduate University of the Chinese Academy of Sciences;
Beijing 100049;
China;
South China Institute of Environmental Sciences;
Ministry of Environmental Protection;
Guangzhou 510655;
China;
Air Quality Research Division;
Science and Technology Branch;
Environment Canada. Toronto. Canad;
北京城区; 光学特性; 气溶胶; 城市地区; 观测; 夏季; 单散射反照率; 大都市区;