1. Arctic Ship Traffic & Air Pollution Ralf Staebler & Amir Aliabadi Air Quality Research Branch Toronto NETCARE Meeting, November 2013

2. Page 2 – May 17, 2015 Page 2 Air Quality Research Branch / Environmental Stewardship Branch / Meteorological Service Collaboration on Arctic Air Quality Development of air quality modelling capacity to simulate shipping and other sectors in the Arctic Ambient air quality monitoring for evaluation of model meteorology and air quality predictions Modelling of a number of emissions scenarios at various spatial and temporal resolutions Preliminary GEM-MACH Arctic simulation, using 2005/2006 U.S./Canadian anthropogenic emission inventories, chemical boundary conditions from seasonal averaged global GEM-MACH model results. [Wanming Gong, EC]

3. Page 3 – May 17, 2015 Cruise of the CCGS Louis St Laurent, 20 Jul – 18 Nov 2012 25 Sep 31 Jul, 18 Sep 10 Nov Ship-based measurements O 3, :NO x /NO,SO 2, VOC, PM2.5, CO, Met

4. Page 4 – May 17, 2015 New Ground-based Measurements Resolute: Collecting data as of 24 May 2013 Cape Dorset: Collecting data as of 30 May 2013 Measurements: PM 2.5 NO, NO x SO 2 O 3 Meteorology

5. Page 5 – May 17, 2015 CIS Dash-7 2011 tracks Airborne measurements

6. Page 6 – May 17, 2015 Polar-5 Flights 2009 & 2011: Ozone

7. Page 7 – May 17, 2015 Anderson & Neff, ACP 2008 Eddy Diffusivity Profiles in the Arctic

8. Page 8 – May 17, 2015 Research Questions How do ship emissions disperse into the boundary layer under different conditions? Do ship traffic emissions have a measurable effect on air quality in Arctic communities? How is this effect expected to change in the coming decades?

9. Page 9 – May 17, 2015

10. Page 10 – May 17, 2015 http://www.airqualitylekgotla.co.za

11. Page 11 – May 17, 2015 Previous Projects