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Volume 10, issue 14
Atmos. Chem. Phys., 10, 6793-6806, 2010
https://doi.org/10.5194/acp-10-6793-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: European Integrated Project on Aerosol-Cloud-Climate and Air...

Atmos. Chem. Phys., 10, 6793-6806, 2010
https://doi.org/10.5194/acp-10-6793-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.

  23 Jul 2010

23 Jul 2010

The Finokalia Aerosol Measurement Experiment – 2008 (FAME-08): an overview

M. Pikridas1,2, A. Bougiatioti3, L. Hildebrandt4, G. J. Engelhart4, E. Kostenidou1,2, C. Mohr5, A. S. H. Prévôt5, G. Kouvarakis3, P. Zarmpas3, J. F. Burkhart6, B.-H. Lee4, M. Psichoudaki1,2, N. Mihalopoulos3, C. Pilinis7, A. Stohl6, U. Baltensperger5, M. Kulmala8, and S. N. Pandis1,2,4 M. Pikridas et al.
  • 1Department of Chemical Engineering, University of Patras, Greece
  • 2Institute of Chemical Engineering and High Temperatures (ICE-HT), FORTH, Patras, Greece
  • 3Department of Chemistry, University of Crete, Greece
  • 4Center for Atmospheric Particle Studies, Carnegie Mellon University, Pittsburgh, USA
  • 5Paul Scherrer Institut, Laboratory of Atmospheric Chemistry, Villigen, Switzerland
  • 6Norwegian Institute for Air Research, Kjeller, Norway
  • 7Department of Environment, University of the Aegean, Mytilene, Greece
  • 8Department of Physics, University of Helsinki, Helsinki, Finland

Abstract. A month (4 May to 8 June 2008) of ambient aerosol, air ion and gas phase sampling (Finokalia Aerosol Measurement Experiment 2008, FAME-08) was conducted at Finokalia, on the island of Crete, Greece. The purpose of the study was to characterize the physical and chemical properties of aged aerosol and to investigate new particle formation. Measurements included aerosol and air ion size distributions, size-resolved chemical composition, organic aerosol thermal volatility, water uptake and particle optical properties (light scattering and absorption). Statistical analysis of the aerosol mass concentration variations revealed the absence of diurnal patterns suggesting the lack of strong local sources. Sulfates accounted for approximately half of the particulate matter less than 1 micrometer in diameter (PM1) and organics for 28%. The PM1 organic aerosol fraction was highly oxidized with 80% water soluble. The supermicrometer particles were dominated by crustal components (50%), sea salt (24%) and nitrates (16%). The organic carbon to elemental carbon (OC/EC) ratio correlated with ozone measurements but with a one-day lag. The average OC/EC ratio for the study period was equal to 5.4. For three days air masses from North Africa resulted in a 6-fold increase of particulate matter less than 10 micrometers in diameter (PM10) and a decrease of the OC/EC ratio by a factor of 2. Back trajectory analysis, based on FLEXPART footprint plots, identified five source regions (Athens, Greece, Africa, other continental and marine), each of which influenced the PM1 aerosol composition and properties. Marine air masses had the lowest PM1 concentrations and air masses from the Balkans, Turkey and Eastern Europe the highest.

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