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In the course of the past 40 years, the major wind-driven current systems in the ocean have steadily shifted toward the poles. Experts at the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) came to this conclusion.
An international team of researchers has now determined that rapid thaw processes of permafrost landscapes have a significant influence on the amount and types of gases released but were not considered in permafrost emission estimates so far. As they report in the journal Nature Geoscience, abrupt thaw processes, which are possible in ca. five percent of all Arctic permafrost landscapes, could potentially increase total emissions by 40 percent – a factor that has yet to be considered in current climate models.
The Federal Ministry of Education and Research (BMBF) today cancelled the Europe-wide call for tenders for the procurement of a new polar research vessel, Polarstern II, for legal reasons.
The Greenland Ice Sheet is melting faster today than it did only a few years ago. The reason: it’s not just melting on the surface – but underwater, too.
This week, an international team of researchers determined the final drilling coordinates for the oldest ice core in Antarctica, and began setting up camp on the Antarctic Plateau. When the time came to choose exactly where the drill should be used, the researchers relied on high-resolution data from a newly developed ice radar system, which they had used for the first time earlier this month in the target zone ‘Little Dome C’.
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