Measuring buoy of the MOSAiC expedition resurfaced | Polarjournal
On 26 September 2019, Marcel Nicolaus from the Alfred Wegener Institute deployed the first buoy of the “Distributed Network” of the MOSAiC expedition on an ice floe. She drifted on the floe and at sea for over two years. Along the way, she used GPS to get her position data to show the drift of the sea ice she was drifting on. (Photo: Marcel Nicolaus)

On September 26th, 2019, Marcel Nicolaus, marine physicist at the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI), placed an ice buoy on a floe during the passage of the Polarstern to the Central Arctic. It was the first buoy to be sent off during the MOSAiC expedition. It was part of the “Distributed Network,” a large buoy network that drifted around Polarstern at distances of up to 50 kilometers and continuously and precisely monitored this area. For almost two years, the buoy was on its way until its journey now ended near Tromsø.

After almost two years, the first ice buoy deployed on the MOSAiC expedition has landed again. Researchers from the Norwegian Polar Institute collected the buoy on a rocky island near Tromsø. (Image: Philipp Assmy, NPI)

Researchers from the Norwegian Polar Institute were able to collect the buoy from a small rocky island. Along the way, the instrument sent its position data via GPS to show the drift of the sea ice on which the buoy was floating. The Polar Research Institute of China had sent it on the MOSAiC expedition.

The ice buoy spent two years travelling from the Central Arctic to Norway. In doing so, she has come a long way. (Graphic: Meereisportal.de)

Source: AWI, Bremerhaven

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