Shipping emissions in the Iberian Peninsula and the impacts on air quality

Nunes, Rafael A. O.; Alvim-Ferraz, Maria C. M.; Martins, Fernando G.; Calderay-Cayetano, Fátima; Durán-Grados, Vanessa; Moreno-Gutiérrez, Juan; Jalkanen, Jukka-Pekka; Hannuniemi, Hanna; Sousa, Sofia I. V.

Marine traffic has been identified as a relevant source of pollutants, which cause known negative effects on air quality. The Iberian Peninsula is a central point in the connection of shipping traffic between the Americas, Africa, and the rest of Europe. To estimate the effects of shipping emissions inland and around the Iberian Peninsula, the EMEP/MSC-W model was run considering and not considering shipping emissions (obtained with STEAM3). Total estimated emissions of CO, inline-formulaCO2, inline-formulaSOx, inline-formulaNOx, and particulate matter (subdivided into elementary carbon – EC, organic carbon – OC, sulfate, and ash) for the study domain in 2015 were respectively 49, 30 000, 360, 710, 4.5, 11, 32, and 3.3 kt yrinline-formula−1. Shipping emissions increased inline-formulaSO2 and inline-formulaNO2 concentrations, especially near port areas, and also increased the inline-formulaO3, sulfate, and particulate matter (PMinline-formula2.5 and PMinline-formula10) concentrations over the entire Iberian Peninsula coastline (especially in the south coastal region). Shipping emissions were responsible for exceedances of WHO air quality guidelines for PMinline-formula2.5 in areas far from the coastline, which confirms that shipping emissions can contribute negatively to air quality, both in coastal and inland areas.



Nunes, Rafael A. O. / Alvim-Ferraz, Maria C. M. / Martins, Fernando G. / et al: Shipping emissions in the Iberian Peninsula and the impacts on air quality. 2020. Copernicus Publications.


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