A1 Refereed original research article in a scientific journal
Assessing the costs and environmental benefits of IMO regulations of ship-originated SOx and NOx emissions in the Baltic Sea
Authors: Repka Sari, Erkkilä-Välimäki Anne, Jonson Jan Eiof, Posch Maximilian, Törrönen Janne, Jalkanen Jukka Pekka
Publisher: Springer
Publication year: 2021
Journal: AMBIO: A Journal of the Human Environment
Journal acronym: Ambio
Volume: 50
Issue: 9
First page : 1718
Last page: 1730
eISSN: 1654-7209
DOI: https://doi.org/10.1007/s13280-021-01500-6
Web address : https://link.springer.com/article/10.1007/s13280-021-01500-6
Self-archived copy’s web address: https://research.utu.fi/converis/portal/detail/Publication/53329744
To assess the value of the environmental benefits of the Sulphur
Emission regulation (SECA) that came into force in 2015, changes in
depositions of SOx and NOx from ship exhaust gas emissions were modelled
and monetized for the Baltic Sea region for the years 2014 and 2016.
During this period, the total deposition of SOx in the study area
decreased by 7.3%. The decrease in ship-originated SOx deposition from
38 kt to 3.4 kt (by over 88%) was translated into a monetary value for
the ecosystem impacts of nearly 130 million USD, according to the
EcoValue08 model. This is less than the modelled health benefits, but it
is not insignificant. For NOx, there was no decreasing trend. The
exceedance of the critical loads of SOx and NOx was also estimated. The
effect of Baltic shipping on the exceedance of critical loads of
acidification after SECA is very small, but Baltic shipping still has a
considerable effect on the exceedance of critical loads for
eutrophication.
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