Archive of News and Press Releases
25 years of the Arctic Station in Svalbard
25 years ago, the German Arctic Station in Svalbard was officially opened by the former directors of the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI), Prof. Gotthilf Hempel and Dr Rainer Paulenz, as well as the BMBF State Secretary, Mr. Bernd Neumann.
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Questions about climate change
After having reached the northernmost point of the expedition at the end of last week, we moved southeastward across the East Greenland Current toward the continental shelf of Northeast Greenland, that we reached at the outlet of Westwind Trough.
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Turbulent recirculation
Meanwhile R/V Polarstern has reached the northernmost location planned for the GRIFF expedition. The last week was characterized by intense station work both in the West Spitsbergen Current and in central Fram Strait.
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The 100th expedition
In the evening of 18 July the research ice breaker Polarstern left the port of Tromsö (Norway) in cloudy and windy conditions to start its 100th expedition. On board there are scientists from 13 nations who cover the range from physical oceanography, geochemistry, geodesy, geology, geophysics, seismology, marine biology, biochemistry and mechanical engineering.
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Pathogenic bacteria hitchhiking to North and Baltic Seas?
With increasing water temperatures comes an increasing likelihood of potentially pathogenic bacteria appearing in the North and Baltic Seas. AWI scientists have now proven that a group of such bacteria known as vibrios can survive on microplastic particles. In the future, they want to investigate in greater detail the role of these particles on the accumulation and possible distribution of these bacteria.
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Long-awaited breakthrough in the reconstruction of warm climate phases
Scientists from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) have overcome a seeming weakness of global climate models. They had previously not been able to simulate the extreme warm period of the Eocene. One aspect of this era that particularly draws interests to climatologists: It was the only phase in recent history when greenhouse gas concentration was as high as researchers predict it to be for the future. The AWI scientists have now found that the apparent model weakness is due to a misinterpretation of the…
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“Groundwork”
As already announced in the last weekly report, today we will provide details about the work of the biogeochemists and biologists during “Polarstern” expedition PS99.2. Their goal is to investigate organisms and processes at the deep seafloor.
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One year alone in the deep sea of the Arctic
Far from any controls, an underwater robot has been working for the past few days in 2,500 metres of water on the seabed of the Arctic, after the completion of a successful test run. Researchers and engineers of the Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research (AWI) have deployed the deep-sea crawler Tramper for a year-round, fully autonomous mission for the first time. The mobile underwater robot, which has been developed within the Helmholtz Alliance Robotic Exploration of Extreme Environments (ROBEX), will now perform weekly…
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Minister of Environment visits AWIPEV station
Germans Federal Minister of Environment Barbara Hendricks visits Svalbard to get first hand information on climate change. Together with Karin Lochte and scientists from the Alfred Wegener Institute Helmholtz Centre for Polar and Marine research (AWI) she discusses global warming, which affects the Arctic particularly fast and heavily.
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Researchers simulate the emergence of leads in sea ice
Scientists from the Alfred-Wegener-Institute (AWI) and the University of Hamburg have succeeded in realistically simulating the emergence of large channels in the Artic sea ice in a computer model. Two approaches were decisive for this success: On the one hand, the researchers had increased the spatial resolution of the FESOM AWI sea-ice ocean model. On the other hand, they were able to improve the numerical solution to the equation so that the simulation of the lead formation holds up well when compared to real sea-ice satellite data. They reported this…
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