TLILI, Khawla; LABADIE, Pierre; TEIL, Marie-Jeanne; ALLIOT, Fabrice; BOURGES, Catherine; DESPORTES, Annie; CHEVREUIL, Marc

doi:10.1007/978-3-030-72543-3_52

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New Prospects in Environmental Geosciences and Hydrogeosciences, Conference of the Arabian Journal of Geosciences, CAJG 2019. Advances in Science, Technology & Innovation, 2019-11-25, Sousse. 2022-01-28p. 231-234

Springer, Cham

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The Spatio-temporal variability of the Seine River contamination by organic micropollutants such as Polybrominated diphenyl ethers (PBDEs) was investigated in three sites downstream and upstream of Paris between February and November 2010. The mean concentrations of Σ tri-hepta BDE observed at Marnay-Sur-Seine (upstream Paris) are 2.7 times lower than those measured at Bougival-Sur-Seine (downstream Paris), while this ratio is equal to 1.8 for BDE-209. Besides, close concentrations are observed at both downstream sites. The concentration gradient was also observed for PBDE concentrations in sediments collected with particle traps. The PBDE temporal evolution was related to particulate organic matter content which is controlled by river flow variations between February to November. The variation in fluxes of these pollutants seems to result from a regular contribution (case of Bougival and Triel-Sur-Seine) and of a diffuse contribution, case of Marnay-Sur-Seine.< Réduire

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Downstream

Fluxes

PBDEs

Seine River

Upstream

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Organohalogenated Micropollutants: Polybrominated Disphenyl Ether (PBDE) Contamination Gradient of the Seine River in France

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