Transport of tropospheric ozone and precursors to the Arctic: lessons from a multi-model evaluation using aircraft, satellite and surface data

Steve Arnold 1 Sarah Monks 1 Louisa Emmons 2 Kathy S. Law 3 David Ridley 4 Solène Turquety 5 Simone Tilmes 2 Jennie L. Thomas 3 Alex Rap 1 Idir Bouarar 3 Johannes Flemming 6 Vincent Huijnen 7 Jinqui Mao 8 Bryan Duncan 9 Stephen Steenrod 9 Joakim Langner 10 Yoann Long 5
1 ICAS - Institute for Climate and Atmospheric Science [Leeds]
2 NCAR - National Center for Atmospheric Research [Boulder]
3 TROPO - LATMOS
LATMOS - Laboratoire Atmosphères, Milieux, Observations Spatiales
4 CEE - Department of Civil and Environmental Engineering [Cambridge, USA]
5 LMD - Laboratoire de Météorologie Dynamique (UMR 8539)
6 ECMWF - European Centre for Medium-Range Weather Forecasts
7 KNMI - Royal Netherlands Meteorological Institute
8 AOS Program - Atmospheric and Oceanic Sciences Program [Princeton]
GFDL - NOAA Geophysical Fluid Dynamics Laboratory, Princeton University
9 GSFC - NASA Goddard Space Flight Center
10 SMHI - Swedish Meteorological and Hydrological Institute
Abstract : Changes in abundances of short-lived climate pollutants such as tropospheric ozone and aerosol may have contributed significantly to observed rapid Arctic warming in recent decades. Ozone in the Arctic troposphere is influenced by long-range transport of polluted air from Europe, Asia and N. America, and in summer from boreal wildfires. Our understanding of how different sources contribute to Arctic tropospheric ozone is limited, and is reliant on sparse observations and models of atmospheric transport and chemistry. In particular, our confidence in future high latitude tropospheric ozone response to projected changes in mid-latitude emissions, and subsequent climate impacts, is informed by the ability of models to accurately simulate poleward export from source regions, long-range transport to high latitudes, and photochemical transformation of ozone and its precursors during such events.
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https://hal-insu.archives-ouvertes.fr/insu-01144007
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Submitted on : Monday, April 20, 2015 - 4:12:24 PM
Last modification on : Friday, January 10, 2020 - 3:42:34 PM

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  • HAL Id : insu-01144007, version 1

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Steve Arnold, Sarah Monks, Louisa Emmons, Kathy S. Law, David Ridley, et al.. Transport of tropospheric ozone and precursors to the Arctic: lessons from a multi-model evaluation using aircraft, satellite and surface data. EGU General Assembly 2015, Apr 2015, Vienna, Austria. pp.EGU2015-11855. ⟨insu-01144007⟩

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