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Etude des aérosols transportés en Arctique à partir des mesures aéroportées (ATR-42) du LaMP durant le projet POLARCART

Abstract : The aims of this thesis were, in a first step, to build a climatology of pollution plumes transported from source continents to the Arctic as measured during the POLARCAT-France campaigns performed in spring and summer 2008, in the frame of the 4th International Polar Year. The climatology is including informations on aerosol particle physical, chemical and optical properties and is organized as a function of pollution plume origins (determined with the Lagrangian transport model FLEXPART). In a second step, aerosol processes which influenced aerosol properties during transport to the Arctic were studied. During the summer campaign, the whole plumes encounter experienced wet scavenging processes on their pathway to Groenland. In spring, a plume was sampled during three consecutive days and thus, its ageing was characterised. Finally, two Asian plumes allowed us to highlight the external mixing between anthropogenic and biomass burning contributions transported to northern scandinavia.
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https://tel.archives-ouvertes.fr/tel-00697014
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Submitted on : Monday, May 14, 2012 - 1:34:46 PM
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Quennehen-2011CLF22198.pdf
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  • HAL Id : tel-00697014, version 1

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Boris Quennehen. Etude des aérosols transportés en Arctique à partir des mesures aéroportées (ATR-42) du LaMP durant le projet POLARCART. Sciences de la Terre. Université Blaise Pascal - Clermont-Ferrand II, 2011. Français. ⟨NNT : 2011CLF22198⟩. ⟨tel-00697014⟩

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