Hydroxymethane sulfonate as a possible explanation for observed high levels of particulate sulfur during severe winter haze episodes in Beijing, China.

Jonathan Moch1, Daniel J. Jacob2, Loretta J Mickley3, Yuan Cheng4, Mingwei Li5, J William Munger3 and Yuxuan Wang6, (1)Harvard University, Cambridge, MA, United States, (2)Harvard University, Department of Earth and Planetary Sciences, Cambridge, MA, United States, (3)Harvard University, School of Engineering and Applied Sciences, Cambridge, MA, United States, (4)Tsinghua University, State Key Joint Laboratory of Environment Simulation and Pollution Control, Beijing, China, (5)Center for Earth System Science, Tsinghua University, Beijing, China, (6)University of Houston, Department of Earth and Atmospheric Sciences, Houston, TX, United States