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. 2021 Sep 10;68(6):860–881. doi: 10.1007/s00267-021-01534-2

Fig. 7.

Fig. 7

Baltic Sea: a emissions of cigarette butts and filters from urban sources (untreated wastewater, stormwater and sewer overflow water) to the Baltic Sea assuming no retention in rivers; b accumulation of these items at Baltic Sea shores based on simulations with a 3D hydrodynamic model