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  • Presentation | OS13C: General Topics in Oceanography II Poster
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  • OS13C-0985: Understanding Immediate Impacts of Major Baltic Inflow Events on Manganese Cycling
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  • Board 0985‚ Hall EFG (Poster Hall)
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Author(s):
Mary McGrory, University of Pittsburgh (First Author, Presenting Author)
Jennifer Necker, Woods Hole Oceanographic Institution
Eric Ryberg, University of Connecticut
Timothy Ferdelman, Max Planck Institute for Marine Microbiology
Christian Burmeister, Leibniz-Institute for Baltic Sea Research
Scott Wankel, Woods Hole Oceanographic Institution
Heide Schulz-Vogt, Leibniz-Institute for Baltic Sea Research
Maren Voss, Leibniz-Institute for Baltic Sea Research
Volker Mohrholz, Leibniz-Institute for Baltic Sea Research
Colleen Hansel, Woods Hole Oceanographic Institution


CTD and empirical analysis of multiple sites along the path of the January 2024 Major Baltic Inflow (MBI) depict the formation of fleeting, distinct lateral oxygenated and reduced microenvironments. Using primarily Mn speciation data, and oxygen, turbidity, and salinity profiles, this study documents a rare “snapshot” of water column disruption during the early stages of the inflow’s approach of the deep northern basins. By comparing across sampling stations, a gradual dilution of the inflow’s oxygen saturation and relative strength may be inferred. More broadly, this study bears relevance for examining past inflow strength and building in situ understanding of the immediate chemical impacts of similar marine perturbations.



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