W. Joe F. Acton¹, Zhonghui Huang², Brian Davison³, William S Drysdale⁴, Pingqing Fu⁵, Ben Langford⁶, Neil Mullinger⁶, Eiko Nemitz⁶, Adam Vaughan⁴, Zhaoyi Wang², Xinming Wang⁷, Yanli Zhang⁸ and C Nick Hewitt¹, (1)University of Lancaster, Lancaster Environment Centre, Lancaster, United Kingdom, (2)GIG Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, China, (3)University of Lancaster, Lancaster, United Kingdom, (4)University of York, Wolfson Atmospheric Chemistry Laboratories, Department of Chemistry, York, United Kingdom, (5)Tianjin University, Institute of Surface-Earth System Science, Tianjin, China, (6)Centre for Ecology and Hydrology, Edinburgh, United Kingdom, (7)Chinese Academy Of Sciences, Guangzhou, China, (8)Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou, China