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Identification and assessment of intense African dust events and contribution to PM10 concentration in Tunisia

  • Houda Chtioui
  • Karim BouchlaghemEmail author
  • Mohamed Hichem Gazzah
Regular Article
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Abstract.

This study focuses both qualitatively and quantitatively on the assessment of the contribution of the Saharan dust events to the PM10 concentration in three Tunisian sites. We apply a current method following EC guidelines for the demonstration and subtraction of PM10 excess attributable to natural sources under the Directive 2008/50/EC. The maps and back trajectories used in this study have revealed coherence between the African Saharan origins, the dust transport and the intrusion during the intense Saharan dust event of the 16th of November, 2018. Although we have eliminated the Saharan dust contribution which can reach 88% of the measured value, the daily anthropogenic PM10 concentration remained higher compared to the limit value.

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Copyright information

© Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Houda Chtioui
    • 1
  • Karim Bouchlaghem
    • 1
    Email author
  • Mohamed Hichem Gazzah
    • 1
  1. 1.Quantum and Statistical Physics Laboratory, Faculty of Sciences of MonastirUniversity of MonastirMonastirTunisia

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