Unprecedented NH3 emissions detected in the high-Arctic from the 2017 Canadian wildfires


Erik Lutsch1, Kimberly Strong1, Dylan B. A. Jones1, Ivan Ortega2, James W Hannigan3, Enrico Dammers4, Mark Shephard4, Eleanor Rose Morris5, Killian Murphy6, Mathew J Evans7, Mark Parrington8, Simon Whitburn9, Martin Van Damme10, Lieven Clarisse11, Pierre-Francois Coheur11, Cathy Clerbaux12, Betty Croft13, Randall Martin14, Greg Wentworth15, Lei Zhu16 and Jenny A Fisher17, (1)University of Toronto, Department of Physics, Toronto, ON, Canada, (2)NSF National Center for Atmospheric Research (NSF NCAR), Atmospheric Chemistry Observations & Modeling Laboratory (ACOM), Boulder, CO, United States, (3)National Center for Atmospheric Research, Boulder, CO, United States, (4)Environment and Climate Change Canada, Air Quality Research Division, Toronto, ON, Canada, (5)University of York, Department of Chemistry, York, YO10, United Kingdom, (6)University of York, Department of Chemistry, York, United Kingdom, (7)University of York, Wolfson Atmospheric Chemistry Laboratories, Department of Chemistry, York, United Kingdom, (8)European Centre for Medium-Range Weather Forecasts, Reading, United Kingdom, (9)Université Libre de Bruxelles, Spectroscopie de l’Atmosphère, Service de Chimie Quantique et Photophysique, Brussels, Belgium, (10)Royal Belgian Institute for Space Aeronomy, Brussels, Belgium, (11)Université libre de Bruxelles (ULB), Spectroscopy, Quantum Chemistry and Atmospheric Remote Sensing (SQUARES), Brussels, Belgium, (12)LATMOS/IPSL, Sorbonne Université, UVSQ, CNRS, Paris, France, (13)Dalhousie University, Physics & Atmospheric Science, Halifax, NS, Canada, (14)Dalhousie University, Physics and Atmospheric Science, Halifax, Canada, (15)Alberta Environment and Parks, Environmental Monitoring and Science Division, Edmonton, Canada, (16)Harvard University, John A. Paulson School of Engineering and Applied Sciences, Cambridge, United States, (17)School of Earth & Environmental Sciences and School of Chemistry, University of Wollongong, Wollongong, Australia