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Antartic

Depths of the Weddell Sea are warming five times faster than elsewhere

The warming of the polar depths is chiefly due to changed winds and currents above and in the Southern Ocean.

[19. October 2020] 

AWI long-term time series shows: due to changed winds and currents in the Southern Ocean, more heat is transported from the Antarctic Circumpolar Current to the depths of the Weddell Sea.


Antarctica

The future of krill

Experts recommend new management strategies

[15. October 2020] 

So far, the main objective of the krill fishery rules is to protect krill eaters. However, too little attention has been paid to possible risks for the krill stocks themselves. CCAMLR has therefore decided to develop a new krill management system.


MOSAiC Expedition

The grand finale to the expedition of a century

After 389 days, the largest Arctic research expedition of all time comes to a successful end in Bremerhaven

[12. October 2020] 

After more than a year in the Central Arctic, this Monday, 12 October, the research icebreaker Polarstern returned to her homeport in Bremerhaven. Accompanied by a ‘welcome committee’ of ships that came to greet, the ship entered the North Lock with the morning high tide, at ca. 9:00 am.


Climate Change

Enhanced warming subtropical ocean is expanding the tropics

[23. September 2020] 

The alarming expansion of the tropics is not caused by processes in the atmosphere, but quite simply by warming subtropical ocean. AWI scientists have found out.


Arctic Ocean

Arctic sea ice shrinks to second-lowest summer extent since the beginning of satellite observation

Remaining ice cover on the Arctic Ocean measures just 3.8 million square kilometres – warm air and warm seawater have produced widespread melting

[17. September 2020] 

This summer the sea-ice cover on the Arctic Ocean shrank to the second-smallest extent since the beginning of satellite observation in 1979. By mid-September it covered only 3.8 million square kilometres, 0.5 million km² above the all-time low in 2012. 


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