Bonus Projects

Sources & Sinks: A Tale of Coastal Biogeochemistry - BONUS COCOA

Insights into the biogeochemistry work of the COCOA project: from the water column to the sediment, from the field to the lab. Secrets of the coastal filter and a life in aquatic sciences.
11.06.2018 21:38

New COCOA publication!

Dana Hellemann

A new study from BONUS COCOA is out:

Ines Bartl (Institute for Baltic Sea Research Warnemuende) and co-workers wanted to know whether river plume and bottom boundary layer in the coastal zone are potential hotspots for nitrification, due to their favorable characteristics. Nitrification is a key process in the coastal nitrogen cycle: the produced nitrate can either be substrate for primary production whereby nitrogen stays in the coastal system, or for denitrification whereby nitrogen is removed from the coastal system.

They found that neither river plume nor BBL of the Vistula Estuary in the southern Baltic Sea are hotspots for nitrification. Instead, short term changes such as sediment re-suspension during a storm event or oxygenation of anoxic water can significantly enhance nitrification.


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Read the full story here:

Bartl I, Liskow I, Schulz K, Umlauf L, Voss M (2018) River plume and bottom boundary layer – Hotspots for nitrification in a coastal bay? Estuarine, Coastal and Shelf Science 208:70-82. https://doi.org/10.1016/j.ecss.2018.04.023


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