The expedition is a part of the research programme GEOTRACES, an international study of the marine biogeochemical cycles of trace element and their isotopes.

The overarching objective of this study is to further improve our understanding of the carbon system in the rapidly changing Arctic Ocean system and its adjacent sub-regions. The researchers aim at improving the understanding of the feedbacks by physical and biogeochemical processes across the boundaries between the Arctic Ocean and the north Atlantic with respect to the distribution of the seawater CO2 system, air-sea CO2 fluxes, transport of anthropogenic CO2, biological oxygen supersaturation, and net community production.

In addition, apart from hydrography, a thorough knowledge of the carbon system is essential for the understanding of the distribution of trace elements and their isotopes in the ocean in terms of their cycling, sources and sinks, supporting the on board GEOTRACES programme.


Adam Ulfsbo
Department of Marine Sciences, University of Gothenburg

Chief Scientist

Torsten Kanzow
Alfred Wegener Institute, Germany