High-time Resolution Source Apportionment of PM2.5 during Winter in Beijing, China
Mei Zheng, Peking University, College of Environmental Sciences and Engineering, and Institute of Ocean Research, Beijing, China, Yue Liu, Peking University, College of Environmental Sciences and Engineering, Beijing, China, Jie Li, College of Geography and Environmental Science, Henan University, Kaifeng, China and Xuhui Cai, Peking University, State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Beijing, China