Unprecedented NH 3 emissions detected in the high-Arctic from the 2017 Canadian wildfires

• Main Authors: Lutsch, Erik, Strong, Kimberly, Jones, Dylan B. A., Ortega, Ivan, Hannigan, James W., Dammers, Enrico, Shephard, Mark, S., Morris, Eleanor Rose, Murphy, Killian, Evans, Mathew J., Parrington, Mark, Whitburn, Simon, Damme, Martin Van, Clarisse, Lieven, Coheur, Pierre-François, Clerbaux, Cathy, Croft, Betty, Martin, Randall, Wentworth, Greg, Zhu, Lei, Fisher, Jenny A.
• Other Authors: Department of Physics Toronto, University of Toronto, National Center for Atmospheric Research Boulder (NCAR), Atmospheric Chemistry Observations and Modeling Laboratory (ACOML), Environment and Climate Change Canada, York University Toronto, Wolfson Atmospheric Chemistry Laboratories (WACL), University of York York, UK, European Centre for Medium-Range Weather Forecasts (ECMWF), Spectroscopie de l'atmosphère, Service de Chimie Quantique et Photophysique, Université libre de Bruxelles (ULB), TROPO - LATMOS, Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Department of Physics and Atmospheric Science Halifax, Dalhousie University Halifax, Alberta Environment and Parks (AEP), Harvard University, School of Earth and Environmental Sciences Wollongong, Faculty of Science, Medicine and Health Wollongong, University of Wollongong Australia -University of Wollongong Australia
• Format: Conference Object
• Language: English
• Published: HAL CCSD 2018
• Subjects: [SDU.OCEAN]Sciences of the Universe [physics]/Ocean; Atmosphere; Arctic; Nunavut; Northwest Territories; Greenland; Eureka; Thule
• Online Access: https://insu.hal.science/insu-01967905

International audience From August 17-22, 2017, simultaneous enhancements of ammonia (NH3), carbon monoxide (CO), hydrogen cyanide (HCN) and ethane (C2H6) were detected from ground-based solar absorption Fourier-transform infrared (FTIR) spectroscopic measurements at two high-Arctic sites: Eureka, N...