removed from the data set. In-situ data Radiometric data were collected from 11 May to 9 June 2018 on Polarstern expedition PS113, crossing the Atlantic from Punta Arenas, Chile, to Bremerhaven, Germany. Kd 86

Arctic Clouds Map of the areas for aircraft operation illustration the coordination activities at Polarstern and Ny Alesund (Photo: Alfred-Wegener-Institut) ACLOUD and AFLUX are 2 joint aircraft campaigns

somewhat older models, like the Polarstern, which has been traversing the icy waters of the high north and deep south since 1982. On an average of 300 days a year, the Polarstern can be found forging her way [...] deliver a better eco-balance than other forms of transportation, but also because on board the Polarstern, the available resources are used as sparingly as possible. For example, the 118-metre-long ship [...] dioxide. Moreover, the ship doesn’t run on fuel oil, but diesel, a significantly cleaner choice. “The Polarstern bunkers the cleanest variant available, DMA, which is nearly as good as the diesel used in commercial

North American plate drift apart by a few millimetres every year. Using the research icebreaker “POLARSTERN” scientists study this system of ridges and investigate the effects of the mechanisms involved

precession magnetometers that can be set up to measure continuously for days or weeks unattended. On Polarstern, two fluxgate three-component magnetometers are mounted on the crow's nest where they continuously [...] software after completing precise circular manouevres at various points during a science cruise. Polarstern also acts as a base for two helicopters, either of which can be set up to tow a Scintrex Caesium

ported the expedition. RV Polarstern Akademik Fedorov Kapitan Dranitsyn Admiral Makarov RV Maria S. Merian RV Sonne Akademik Tryoshnikov 3,400 km: is the distance the Polarstern drifted on a zigzagging course [...] course, covering a distance of 1,923 km in the process Polarstern was up to 1,500 km from the nearest human settle- ment. Record: during the drift Polarstern reaches 88°36‘ North, just 156 km from the North [...] several metres thick, was ca. 1.5 metres thick. 337 scientists and experts and 105 crewmembers of Polarstern were part of MOSAiC. In addition, there were hundreds of people on the supply vessels and on land

and snow program of the MOSAiC expedition. During the one-year drift of the research icebreaker Polarstern, he himself spent five months on board of the vessel. Marcel Nicolaus is heavily involved in training

Expedition
After half a year in the Southern Hemisphere, the research icebreaker Polarstern will soon return to her homeport, Bremerhaven. Following a season of work focusing on sea ice, the icebreaker

the past couple weeks we have reached South Africa and shut down the hydroacoustics, as well as Polarsterns underway measurements. Underway CTD casts of two times per day have also ended. This was the last

expected. Scientists participating in the international MOSAiC expedition with research icebreaker Polarstern have found fish and squid in deep water in the middle of the Arctic Ocean. The results from Stockholm