Bremerhaven (dpa) - The end of an adventure: after a year in the Arctic, the research ship “Polarstern” will return to its home port in Bremerhaven on Monday (October 12).

During the last nautical miles it is accompanied by a fleet of ships, including the MS “Geestemünde” and the three-master “Atlantis”.

Federal Research Minister Anja Karliczek (CDU) and the director of the Alfred Wegener Institute (AWI), Antje Boetius, want to receive the crew in Bremerhaven.

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.

In the Arctic, the “Polarstern” had drifted with an ice floe so that the scientists on board could take measurements in the ocean, in the ice and in the atmosphere.

The researchers hope to gain new insights into the Earth's climate system.

According to the AWI, the "Mosaic" expedition was the most expensive and logistically complex in the Arctic Ocean to date.

Over 70 research institutes from 20 countries with over 300 researchers were involved.

Due to the corona pandemic, there was now a threat of cancellation.

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