Transboundary Particulate Matter: Natural and Anthropogenic Sources - Darius Ceburnis, NUIG
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This document summarizes research on particulate matter (PM) in Ireland over the last decade. It discusses the importance of PM for visibility, public health, and climate impacts. It then summarizes several studies that examined the nature, origin, and seasonal variations of PM composition in urban and rural air in Ireland between 2001-2009. Key findings included the size-segregated composition of PM10 and smaller particles, the seasonality of inorganic ions, and differences in chemical species concentrations between PM2.5 and PM2.5-10 fractions at a measurement site. Isotope analysis was also used to distinguish marine, fossil, and non-fossil carbon sources of PM.
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Transboundary Particulate Matter: Natural and Anthropogenic Sources - Darius Ceburnis, NUIG
- 1. TXB Particulate Matter: Natural & Anthropogenic Sources Darius Ceburnis Transboundary Air Pollution – EPA Research Workshop 08 September 2010
- 3. Nature & origin of PM10 and smaller PM in urban air
- 4. Source contribution to PM10 composition in urban and rural air Yin et al., 2005
- 5. Size-segregated composition Ceburnis et al., 2006
- 6. Lagrangian study of OC/EC in Atlantic air masses (west-east transition) Ceburnis et al., 2006
- 7. Seasonality of inorganic ions in TSP (2003) observation period 2001-2006
- 8. PM2.5 vs PM2.5-10 inorganic composition started in 2007 and continuing
- 9. Variation of yearly concentration averages Summary of annual averages of chemical species concentrations in μ g/m 3 at Mace Head during the period of 2007-2009. 1.678 0.473 0.069 0.086 0.364 2.033 3.412 PM2.5-PM10 2009 1.769 0.921 0.198 0.099 0.374 3.792 6.708 PM2.5-PM10 2008 1.702 1.060 0.122 0.092 0.530 4.575 7.788 PM2.5-PM10 2007 1.506 0.120 0.591 0.314 0.507 0.491 0.740 PM2.5 2009 1.596 0.215 0.752 0.433 0.843 0.869 1.386 PM2.5 2008 1.515 0.248 0.933 0.456 0.557 0.997 1.510 PM2.5 2007 Cl/Na ssSO 4 nssSO 4 NH 4 NO 3 Na Cl PM component/year
- 10. Gradient method – deposition rate of trans-continental sulphate Ceburnis et al., 2008
- 11. Carbon isotope method ( 12 C, 13 C, 4 C) - 13 C - 14 C marine fossil Terrestrial non-fossil
- 12. 13 C analysis - distinctive differences
- 13. Dual isotope method - quantitative source apportionment ~ 0.3 g/m 3 1.0-1.5 g/m 3
- 14. School Institute Name to go here Thank you!
Editor's Notes
- North Sea / Irish Sea (NS/IS). Arriving from northern sectors after traversing the North Sea and / or Irish Sea with additional input from coastal regions of Ireland and the UK. • Northern European (NE). Polluted air masses originating over northern Europe, Scandinavia, Russia or Baltic regions, usually traversing the UK. • Southern European (SE). Polluted air masses originating from southern European and North African sectors. • Mixed (M). Difficult to assign category; mixed maritime / continental type. • South Atlantic (SA). Clean maritime air masses with no continental contact for at least 5 days before reaching the Irish coast. • Mid-Atlantic (MA). Normally fast moving air masses, could originate from eastern USA. • North Atlantic (NA). Clean air masses from North Atlantic or polar regions, with no continental contact for at least 5 days.