Capturing carbon pools and fluxes across the Baltic-North Sea continuum: seasonality, inter-annual variability and sensitivity to perturbations in forcing ...

• Main Authors: Cahill, Bronwyn, Neumann, Thomas, Graewe, Ulf, Paetsch, Johannes, Lettmann, Karsten, Thomas, Helmuth
• Format: Conference Object
• Language: unknown
• Published: GFZ German Research Centre for Geosciences 2023
• Subjects: North Atlantic
• Online Access: https://dx.doi.org/10.57757/iugg23-1977; https://gfzpublic.gfz-potsdam.de/pubman/item/item_5017562

<!--!introduction!--> The Baltic Sea and North Sea are two highly productive, connected marginal seas in Northern Europe. Both are strongly influenced by inputs of terrestrial carbon but differ fundamentally in character. The Baltic Sea is a wind-driven, brackish water system that is almost completely enclosed by land and has residence times on the order of decades. In contrast, the North Sea is a tidally-driven, marine system, on the edge of the North Atlantic with residence times on the order of months. Episodic deep inflows of salty, oxygenated North Sea water penetrate the deep basins of the Baltic Sea, providing temporary oxygen supply to otherwise persistent hypoxic zones, while brackish, surface Baltic Sea water drains into the North Sea carrying with it a net export of carbon. Both systems have densely populated and intensively used coastlines, exposed to climate change and ever-increasing anthropogenic pressures. To understand the net carbon uptake behaviour of the coupled system, and how this ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ...