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Research around the North Pole
Date:10/20/2008

ludes Jokat.

Oceanographers regularly collect data on water temperature, density and salinity from the ship. Additionally, they brought out buoys on ice floes which autonomously conduct these measurements over one or two years. The oceanographers can thereby better understand how the water masses circulate in the Arctic Ocean. Integrated into long-term measurements, they can describe changing water temperatures and sea ice cover regarding climate change.

Biologists on board investigated the occurrence and distribution of the copepod Oithona similis in the Arctic Ocean. This small crab is an important part of the food web. It feeds, among other things, on small algae and animals and serves on its part as food for fish larvae. Another biological programme is aimed at collecting data on the distribution of birds, seals, whales and polar bears along the route. An almost continuous measurement of the seafloor and a programme for water probes rounded off the interdisciplinary scientific programme.

The measurements contribute to research within the framework of the International Polar Year, the European project DAMOCLES and the North Atlantic project of the German Federal Ministry of Education and Research. After the usual maintenance and repair work, Polarstern will leave on October 31st with the destination Cape town. There begins the Antarctic season 2008/09.


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Contact: Dr. Wilfried Jokat
Wilfried.Jokat@awi.de
49-471-483-11211
Helmholtz Association of German Research Centres
Source:Eurekalert  

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Research around the North Pole
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