Report of TRANSSIZ cruise available online

The report of the ART-initiated TRANSSIZ cruise into the Arctic Ocean onboard RV Polarstern has been  published online

To better understand the TRansitions in the Arctic Seasonal Sea Ice Zone was the objective of the so-called TRANSSIZ cruise that took place from  May 19 to June 28, 2015 onboard the German research icebreaker RV Polarstern. Scientists from eleven countries with various backgrounds of Arctic research travelled for six weeks in the European part of the Arctic Ocean in order to carry out scientific measurements reaching from the deepest ocean to the atmospheric surface layers. The cruise was initiated by the Arctic in Rapid Transition network in order to link past with present sea-ice transitions in the Arctic Ocean. The report can be downloaded here. The Polarstern blog, containing reports by the expedition participants, can be accessed here.

Photo: Kirstin Werner

Publications related to the TRANSSIZ cruise:

Werner K, Fritz M, Morata N, Keil K, Pavlov A, Peeken I, Nikolopoulos A, Findlay HS, Kedra M, Majaneva S, Renner A, Hendricks S, Jacquot M, Nicolaus M, O’Regan M, Sampei M, Wegner C (2015) Arctic in Rapid Transition: Priorities for the future of marine and coastal research in the Arctic. Polar Sci 10:364–373

Randelhoff A, Fer I, Sundfjord A, Tremblay J-É, Reigstad M (2016) Vertical fluxes of nitrate in the seasonal nitracline of the Atlantic sector of the Arctic Ocean. J Geophys Res Oceans 121:5282-5295, doi:10.1002/2016JC011779

TRANSSIZ (Transitions in the Arctic Seasonal Sea Ice Zone) Cruise: Spring 2015

Linking past and present sea ice transitions in the European Arctic: Ecological and biogeochemical early spring process studies

Cruise participants aboard the R/V Polarstern cruise participants will address questions about:
  • the cryo-pelagic-benthic coupling from shelf to basin to develop, validate, and compare proxies for sea-ice;
  • the environmental preconditions (e.g. nutrients, stratification) for productivity patterns and a shelf to basin transects to identify the potential annual primary production in a future ice-free ocean; and
  • the transition of winter to spring on ecosystem functioning and biogeochemical cycles as well as transitions across the last glacial cycle.