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MOSAiC Expedition

A fortress of ice and snow

MOSAiC expedition begins its ice drift on a floe at 85 degrees north and 137 degrees east

[04. October 2019] 

After only a few days of searching, experts from the MOSAiC expedition have now found a suitable ice floe, where they will set up the research camp for their one-year-long drift through the Arctic Ocean. Consequently, one of the most important milestones in the expedition has been reached ahead of schedule, and before the Polar Night falls. Nevertheless, the search, which involved satellite imagery, two icebreakers, helicopter flights and scouting missions on the surface of the ice, was an enormous challenge – partly because, after the warm summer, there were...


IPCC Special Report

The pressure to take action is enormous

Statements on the IPCC’s new Special Report “The Ocean and Cryosphere in a Changing Climate” from Hans-Otto Pörtner and AWI Director Antje Boetius

[25. September 2019] 

Today, in Monaco, the IPCC will present its new Special Report on the ocean and the Earth’s frozen regions. The report summarises observations of and projections on climate-based changes to ecosystems in the ocean, coastal, polar and alpine regions, describes the likely impacts of these changes for society, and presents a range of options for adaptation. Over the past three years, 104 researchers from 36 countries have contributed to the report. In the statements below, Prof Hans-Otto Pörtner, Co-Chair of the IPCC’s Working Group II, and AWI Director Prof Antje...


Expedition MOSAiC

This Evening Sees the Start of MOSAiC – the Greatest Arctic Research Expedition of All Time

Frozen in the Arctic sea ice, scientists from 17 nations will investigate the epicentre of climate change on board the research icebreaker Polarstern for an entire year.

[20. September 2019] 

After a decade of preparations, it’s finally time: this evening at 8:30 p.m. the German icebreaker Polarstern will depart from the Norwegian port of Tromsø. On board researchers will investigate a region that is virtually inaccessible in winter, and which is crucial for the global climate.


Arctic Sea Ice

Low sea-ice cover in the Arctic

Second-lowest September minimum since observations

[13. September 2019] 

The sea-ice extent in the Arctic is nearing its annual minimum at the end of the melt season in September. Only circa 3.9 million square kilometres of the Arctic Ocean are covered by sea ice any more, according to researchers from the Alfred Wegener Institute and the University of Bremen. This is only the second time that the annual minimum has dropped below four million square kilometres since satellite measurements began in 1979.


Climate Modelling

New Climate Model for the IPCC

AWI climate model part of the basis for the IPCC Assessment Report for the first time

[04. September 2019] 

Researchers from the Alfred Wegener Institute now, for the first time, feed the results from their global models directly into the Intergovernmental Panel on Climate Change database. The data is particularly interesting because the underlying model, developed at the AWI, depicts the sea ice and the oceans with far greater definition than conventional methods. The results are used by climate scientists and stakeholders around the globe to determine the effects of climate change on humans and the environment.


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