US News Mammoth expedition “Mosaic”: end of a spectacular journey

15:35  12 october  2020
15:35  12 october  2020 Source:   pressfrom.com

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MOSAiC - Multidisciplinary drifting Observatory for the Study of Arctic Climate. More than 70 research institutions from 20 countries are involved in the expedition . The mission is spearheaded by the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI).

During the MOSAiC expedition , experts from 17 nations will investigate the Central Arctic throughout the year. We spoke with expedition head Markus Rex from the Alfred Wegener Institute. Mr Rex, why are you Except for Nansen, almost no-one has dared to journey to the Central Arctic in winter

After a year in the Arctic, the research ship “Polarstern” is returning to its home port in Bremerhaven on Monday.

Das deutsche Eisbrecher- und Forschungsschiff Polarstern ankert 2019 in einem Hafen im norwegischen Tromsø. © Rune Stoltz Bertinussen / NTB scanpix / dpa The German icebreaker and research vessel Polarstern is anchored in a port in Tromsø, Norway in 2019.

During the last nautical miles in the Outer Weser it is accompanied by a ship parade. In Bremerhaven's Lloyd shipyard, Federal Research Minister Anja Karliczek (CDU) and the director of the Alfred Wegener Institute (AWI), Antje Boetius, wanted to receive the crew around 11 a.m. according to plan. Expedition leader Markus Rex is also on board. Initial analyzes by Rex, Boetius, Karliczek and Captain Thomas Wunderlich were planned for noon.

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The Multidisciplinary drifting Observatory for the Study of Arctic Climate ( MOSAiC , /ˌməʊˈzɛɪɪk/) expedition is a one-year-long expedition into the Central Arctic, planned to take place from 2019 to 2020.

The goal of the MOSAiC expedition is to take the closest look ever at the Arctic as the epicenter of global warming and to gain fundamental insights that are key to a better understanding of global climate change. Hundreds of researchers from 20 countries are involved in this exceptional endeavour.

The researchers have unearthed a unique treasure trove of data, "from which generations after us will benefit," said Karliczek. "In this way we can refine and reevaluate climate models." The research minister called the Arctic the epicenter of climate change.

For ten months, the “Polarstern” drifted through the Arctic, docked on a huge ice floe. Measuring and documenting the entire ice cycle from freezing to melting - the scientists were able to do this for the first time. They hope that the data will provide important insights into the Arctic Ocean and climate change. There is hardly any other region on earth that can feel this as clearly as the Arctic.

The «Mosaic» expedition was the most expensive and logistically complex in the Arctic Ocean to date. 70 research institutes from 20 countries with over 300 researchers took part. Due to the corona pandemic, there was a threat of cancellation because the crew change by plane could not take place due to travel restrictions. Instead, two research vessels with the new team sailed from Bremerhaven to Spitzbergen. The «Polarstern» briefly interrupted its drift for the exchange.

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