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Science of the Total Environment 633 (2018) 1392–1402 Contents lists available at ScienceDirect Science of the Total Environment journal homepage: www.elsevier.com/locate/scitotenv Transport of sediment borne contaminants in a Mediterranean river during a high flow event Albert Herrero a,b,⁎,JuditVilac, Ethel Eljarrat c, Antoni Ginebreda c, Sergi Sabater a,d, Ramon J. Batalla a,b,e, Damià Barceló a,c a Catalan Institute for Water Research (ICRA), H2O Building, C/Emili Grahit, 101, 17003 Girona, Spain b Fluvial Dynamics Research Group (RIUS), University of Lleida, Lleida, Catalonia, (Spain) c Water and Soil Quality Research Group, Dept. of Environmental Chemistry, IDAEA-CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain d GRECO, Institute of Aquatic Ecology, University of Girona, Girona, Spain e Facultad de Ciencias Forestales y Recursos Naturales, Universidad Austral de Chile, Valdivia, Chile HIGHLIGHTS GRAPHICAL ABSTRACT • An analysis was performed during a flood event to study the dynamics of sediment borne contaminants in the River Cinca • Focus was set on substances tradition- ally used in chemical industries of the area and identified in previous studies • Sediment transport showed a clockwise hysteresis during the flood event • The flood mobilized high amounts of PCBs and PFRs • There is apparently a re-location of the focus of contaminated sediment from the middle to the low reaches of the river article info abstract Article history: Pollutants' dynamics in rivers flowing through industrial areas is linked to the entrainment and transport of con- Received 17 January 2018 taminants attached to solid particles. The transport of sediment is mainly associated to high discharges and flood Received in revised form 16 March 2018 episodes, and these events constitute one of the main factors causing fluxes of buried pollutants in rivers.
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