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Journal Articles Chemosphere Year : 2019

Evaluation of historical atmospheric pollution in an industrial area by dendrochemical approaches

Abstract

We conducted a dendrochemical study in order to evaluate the exposure of territories and 19 populations to different types of pollutants and to characterise the history of pollution in one of the 20 most intensely industrialised areas of Europe: the industrial port zone of Fos, also heavily 21 urbanised. 22 To perform the study, two tree species have been selected, Pinus halepensis and Populus nigra, on arural plot located roughly 20 km away from the industrial harbor, an urban plot located in the city of Fos-sur-Mer and an industrial plot. Our study indicated that poplar was a more relevant model forthe dendrochemical studies exhibiting a higher bioaccumulation capacity than pine except for Hg, Sb and Mn. Moreover, thanks to this work we observed significant exposure of the trees in the urban and industrial areas to As, Cd, Co, Cu, Mo, Sb, Zn, Al, Ca, and Mg, highlighting the exposure of the territory and populations living in the vicinity of the industrial harbor. The temporal 29 variability of the concentrations measured in the tree rings corresponds to the increasing industrialisation of the territory as well as to the evolution of the industrial processes. Thus, this project highlighted the exposure of Gulf of Fos to atmospheric emissions (industrial, road and urban) of the industrial harbor as well as the changes over time. It also point out the relevance of using dendrochemistry to measure atmospheric exposure of metals and metalloids and its temporal variability.
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Dates and versions

hal-02081477 , version 1 (27-03-2019)

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A. Austruy, L Yung, J. P. Ambrosi, O Girardclos, Catherine Keller, et al.. Evaluation of historical atmospheric pollution in an industrial area by dendrochemical approaches. Chemosphere, 2019, 220, pp.116-126. ⟨10.1016/j.chemosphere.2018.12.072⟩. ⟨hal-02081477⟩
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