Fossil Fuel Combustion-Related Emissions Dominate Atmospheric Ammonia Sources during Severe Haze Episodes: Evidence from 15N-Stable Isotope in Size-Resolved Aerosol Ammonium
Yuepeng Pan1, Shili Tian2, Dongwei Liu3, Yunting Fang4, Xiaying Zhu5, Qiang Zhang6, Bo Zheng7, Greg Michalski8 and Yuesi Wang1, (1)Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China, (2)Institute of Atmospheric Physics, Beijing, China, (3)Institute of Applied Ecology, Institute of Applied Ecology, Shenyang, China, (4)Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China, (5)CMA China Meteorological Administration, Beijing, China, (6)Department of Earth System Science,Tsinghua University, Beijing, China, (7)State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, China, (8)Purdue University, Earth, Atmospheric & Planetary Sciences, West Lafayette, IN, United States