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UP: Fachverband Umweltphysik
UP 5: Postersession
UP 5.9: Poster
Dienstag, 14. März 2017, 16:40–18:10, GW2 B3010
Monitoring shipping emissions in the German Bight using MAX-DOAS measurements — •André Seyler1, Folkard Wittrock1, Lisa Kattner1,2, Barbara Mathieu-Üffing1,2, Enno Peters1, Andreas Richter1, Stefan Schmolke2, and John P. Burrows1 — 1Institute of Environmental Physics (IUP), University of Bremen — 2German Federal Maritime and Hydrographic Agency (BSH), Hamburg
Shipping emissions contribute substantially to air pollution in coastal areas and harbor towns. The North Sea has one of the highest ship densities in the world.
A three-year time series of ground-based MAX-DOAS measurements of NO2 and SO2 on the island Neuwerk in the German Bight has been analyzed for contributions from shipping emissions. Measurements of individual ship plumes as well as of background pollution are possible from this location, a few kilometers away from the shipping lane towards the port of Hamburg. More than 2000 individual ship emission plumes have been identified in the data and analyzed for the emission ratio of SO2 to NO2. Contributions of ships and land-based sources to coastal air pollution levels have been estimated. Since January 2015, much lower fuel sulfur content limits of 0.1% (before: 1.0%) apply in the North Sea Emission Control Area (ECA). The impact of this change in regulations on the coastal SO2 levels has been investigated.
This study is part of the project MeSMarT (www.mesmart.de), a cooperation between the University of Bremen and the German Federal Maritime and Hydrographic Agency (BSH).