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“80 questions about the southern tip of the world” – The international Antarctic community formulates tomorrow’s challenges to research

[06. August 2014] 

Appearing online today in the scientific journal Nature is a forward-looking article by 75 leading Antarctic researchers and science managers from 22 countries. The so-called “SCAR Horizon Scan” catalogues the 80 most pressing questions to be pursued during the next 20 years of research in the Antarctic and the Southern Ocean. In this interdisciplinary exchange of ideas, three scientists from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research contributed to working out the topics that now establish the thrust of Antarctic research.


Press release

Megascale icebergs run aground: Finding the deepest iceberg scours to date provides new insights into the Arctic’s glacial past

[05. August 2014] 

Scientists from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI), have found between Greenland and Spitsbergen the scours left behind on the sea bed by gigantic icebergs. The five lineaments, at a depth of 1,200 metres, are the lowest-lying iceberg scours yet to be found on the Arctic sea floor. This finding provides new understanding of the dynamics of the Ice Age and the extent of the Arctic ice sheet thousands of years ago. In addition, the researchers could draw conclusions about the export of fresh water from the Arctic into the North Atlantic. The AWI scientists have published their findings in the online portal of the scientific journal Geophysical Research Letters.


Press release

Milestone on the way to construction of new vessel as successor to research icebreaker Polarstern: Reederei F. Laeisz as partner

[22. July 2014] 

This spring Reederei F. Laeisz G.m.b.H. received the contract award for consulting services concerning design and construction of a future German research icebreaker. Today, Tuesday, 22 July 2014, representatives of the shipping company and the Alfred Wegener Institute additionally signed a contract for ship management in Bremerhaven.


Press release

Surprising climate balance: In the long term lakes in permafrost areas have sequestered more greenhouse gas from the atmosphere than they released during their formation

[16. July 2014] 

Since the last glacial period so-called thermokarst lakes in Arctic permafrost areas have sequestered more greenhouse gases from the atmosphere than they ever previously emitted during their formation. An international team of scientists presents this surprising research result today in an online publication by the journal Nature. The researchers had examined up to 10,000-year-old soil deposits from northern Siberian lakes and calculated for the first time the total carbon balance for several hundred thousand bodies of water.


Press release

The simpler, the more heat-resistant – scientists uncover the key to adaptation limits of ocean dwellers

[26. June 2014] 

The simpler a marine organism is structured, the better it is suited for survival during climate change. Scientists of the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, discovered this in a new meta-study, which appears today in the research journal Global Change Biology. For the first time biologists studied the relationship between the complexity of life forms and the ultimate limits of their adaptation to a warmer climate. While unicellular bacteria and archaea are able to live even in hot, oxygen-deficient water, marine creatures with a more complex structure, such as animals and plants, reach their growth limits at a water temperature of 41 degrees Celsius. This temperature threshold seems to be insurmountable for their highly developed...


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