Modelling the impact of present and future maritime transport on marine pollution at an environmentally sensitive coastal ecosystem (Saronikos gulf, eastern Mediterranean)
2025
Kolovoyiannis, Vassilis | Mazioti, Aikaterini Anna | Potiris, Manos | Mamoutos, Ioannis | Majamäki, Elisa | Hänninen, Risto | Krasakopoulou, Evangelia | Tragou, Elina | Zervakis, Vassilis | Sofiev, Mikhail | Fridell, Erik | Kukkonen, Jaakko | Jalkanen, Jukka-Pekka | Ilmatieteen laitos | Finnish Meteorological Institute | 0000-0002-1470-555X | 0000-0001-8931-1726 | 0000-0001-9542-5746 | 0000-0002-5943-7069 | 0000-0001-8454-4109
The impact of shipping on concentration levels of selected heavy metals and PAH compounds in a busy Eastern Mediterranean coastal marine environment (Saronikos Gulf) is assessed, employing state-of-the art modelling tools that quantify both shipping direct discharges and atmospheric emissions, simulate atmospheric transport, transformation and deposition on the sea surface, and model the fate of these compounds in the water column. Spatial and temporal variability of pollution from shipping is determined and its relative contribution to total pollution loads is estimated for 2018 (present conditions). The impact of shipping was found to be <1 % of the total pollution loads for all considered substances. The projected pollution levels for 2050 under two scenarios of ship traffic development, fuel type and use of marine scrubbers are compared with levels of 2018. Scrubber effluent is shown to be capable of increasing pollutant concentrations in the marine ecosystem of the study area.
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