Dr. Leonie Barghorn from the Leibniz Institute for Baltic Sea Research Warnemünde (IOW), Rostock, Germany, will talk about her current scientifc work.
Online via Zoom on Monday 1 December 2025
15:00 cet (Rostock, Stockholm time zone);
16:00 eet (Helsinki, Tallinn time zone)
Please register via the link at the bottom (just name and e-mail address) to get the participation link.
Sea surface temperature variability of the Baltic Sea and its links to the North Atlantic
Dr. Leonie Barghorn,
Leibniz Institute for Baltic Sea Research Warnemünde (IOW), Rostock, Germany. Her title is:
Abstract:
During the last decades, the Baltic Sea has been among the strongest warming seas worldwide. In past studies, this was partly attributed to remote effects from sea surface temperature (SST) variations in the North Atlantic, but it did not become clear whether this connection was part of the internal climate variability or externally forced. In our study, we use Single-Model Initial-condition Large Ensembles (SMILEs) to thoroughly separate internal climate variability and responses to external forcing. As the name suggests, a SMILE is an ensemble of many (global) model runs that are similar except for their initial conditions. Hence, each run exhibits distinct internal climate variability but all runs share the same response to external forcing. We find that the presumed impact of the North Atlantic SSTs on the Baltic SSTs is rather a coherent large-scale response to external forcing while the internal variability of the Baltic SSTs is predominantly linked to atmospheric variability in the North Atlantic region.
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