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Discussion papers | Copyright
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 09 Oct 2018

Research article | 09 Oct 2018

Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Atmospheric Chemistry and Physics (ACP).

Polyols and glucose particulate species as tracers of primary biogenic organic aerosols at 28 french sites

Abdoulaye Samake1, Jean-Luc Jaffrezo1, Olivier Favez2, Samuël Weber1, Véronique Jacob1, Alexandre Albinet2, Véronique Riffault3, Esperanza Perdrix3, Antoine Waked1,a, Benjamin Golly1, Dalia Salameh1,b, Florie Chevrier1, Diogo Miguel Oliveira2,3, Jean-Luc Besombes4, Jean M. F. Martins1, Sébastien Conil5, Géraldine Guillaud6, Boualem Meshba7, Benoit Rocq8, Pierre-Yves Robic9, Agnès Hulin10, Sébastien Le Meur11, Maxence Descheemaecker12, Eve Chretien13, and Gaëlle Uzu1 Abdoulaye Samake et al.
  • 1Univ. Grenoble Alpes, CNRS, IRD, INP-G, IGE (UMR 5001), 38000 Grenoble, France
  • 2NERIS, Parc Technologique Alata, BP 2, 60550 Verneuil-en-Halatte, France
  • 3IMT Lille Douai, Univ. Lille, SAGE – Département Sciences de l'Atmosphère et Génie de l'Environnement, 59000 Lille, France
  • 4Univ. Savoie Mont – Blanc, LCME, 73000 Chambéry, France
  • 5ANDRA DRD/GES Observatoire Pérenne de l'Environnement, 55290 Bure, France
  • 6Atmo AuRA, 38400 Grenoble, France
  • 7Air PACA, 03040, France
  • 8Atmo Hauts de France, 59000, France
  • 9Atmo Occitanie, 31330 Toulouse, France
  • 10Atmo Nouvelle Aquitaine, 33000, France
  • 11Atmo Normandie, 76000, France
  • 12Lig'Air, 45590 Saint-Cyr-en-Val, France
  • 13Atmo Grand Est, 16034 Strasbourg, France
  • anow at: IMT Lille Douai, Univ. Lille, SAGE – Département Sciences de l'Atmosphère et Génie de l'Environnement, 59000 Lille, France
  • bnow at: Airport pollution control authority (ACNUSA), 75007 Paris, France

Abstract. A growing number of studies are using specific primary sugar species, such as sugar alcohols or primary saccharides, as marker compounds to characterize and apportion primary biogenic organic aerosols (PBOA) in the atmosphere. To better understand their annual cycles, as well as their spatio-temporal abundance in terms of concentrations and sources, we conducted a large study focusing on three major atmospheric primary sugar compounds (i.e. arabitol, mannitol and glucose) measured in various environmental conditions on about 5,300 filter samples collected at 28 sites in France. Our results show significant atmospheric concentrations of polyols (defined here as the sum of arabitol and mannitol) and glucose at each sampling location, highlighting their ubiquity. Results also confirm that polyols and glucose are mainly associated with the coarse rather than the fine aerosol mode. At nearly all sites, atmospheric concentrations of polyols and glucose display a well-marked seasonal pattern, with maximum concentrations from late spring to early autumn, followed by an abrupt decrease in late autumn, and a minimum concentration during wintertime. Such seasonal patterns support biogenic emissions associated with higher biological metabolic activities (e.g. sporulation, growth, etc.) during warmer periods. Results from a previous comprehensive study using Positive Matrix Factorization (PMF) based on an extended aerosol chemical composition dataset of up to 130 species for 16 of the same sample series has also been used in the present work. Results show that PBOA are significant sources of total OM in PM10 (13±4% on a yearly average, and up to 40% in some environments in summer) at most of the investigated sites. The mean PBOA chemical profile is clearly dominated by OM (78±9% of the mass of the PBOA PMF factor on average), suggesting that ambient polyols are most likely associated with biological particle emissions (e.g. active spore discharge) rather than soil dust resuspension.

Abdoulaye Samake et al.
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Abdoulaye Samake et al.
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Publications Copernicus
Short summary
The contribution of primary biogenic organic aerosols to PM is barely documented. This work provides a large overview of the spatio-temporal evolution of concentrations and contributions to OM of dominant primary sugar alcohols and saccharides, for a large selection of environmental conditions in France (28 sites and more than 5,340 samples). These chemicals are ubiquitous, and are associated to coarse aerosols. Their concentrations display site-to-site and clear seasonal variations.
The contribution of primary biogenic organic aerosols to PM is barely documented. This work...