Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Atmospheric Contamination of Coastal Cities by the Exhaust Emissions of Docked Marine Vessels: The Case of Tromsø

Version 1 : Received: 3 August 2021 / Approved: 4 August 2021 / Online: 4 August 2021 (13:12:08 CEST)

A peer-reviewed article of this Preprint also exists.

Zubiaga, A.; Madsen, S.; Khawaja, H.; Boiger, G. Atmospheric Contamination of Coastal Cities by the Exhaust Emissions of Docked Marine Vessels: The Case of Tromsø. Environments 2021, 8, 88. Zubiaga, A.; Madsen, S.; Khawaja, H.; Boiger, G. Atmospheric Contamination of Coastal Cities by the Exhaust Emissions of Docked Marine Vessels: The Case of Tromsø. Environments 2021, 8, 88.

Journal reference: Environments 2021, 8, 88
DOI: 10.3390/environments8090088

Abstract

Docked ships are a source of contamination for the city while they keep their engine working. Plumes emissions from large boats can carry a number of pollutants to the nearby cities causing a detrimental effect on the life quality and health of local citizens and ecosystems. A computational fluid dynamics model of the harbour area of Tromsø has been built in order to model the deposition of CO2 gas emitted by docked vessels within the city. The ground level distribution of the emitted gas has been obtained and the influence of the wind speed and direction, vessel chimney height, ambient temperature and exhaust gas temperature has been studied. The deposition range is found to be the largest when the wind speed is low. At high wind speeds, the deposition of pollutants along the wind direction is enhanced and spots of high pollutant concentration can be created. The simulation model is intended for the detailed study of the contamination in cities near the coast or an industrial pollutant source of any type of gas pollutants and can easily be extended for the study of particulate matter.

Keywords

computational fluid dynamics; OpenFOAM; docked vessel; gas pollutants

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