All Related Apply Refine results Type Features Article Blog Post Categories Climate Weather Tags Polarstern RV-polarstern Polar Date 2019 Date October SHOW ALL 2 results Features RV Polarstern, a truly unique ship The second blog from the students tracking the MOSAiC expedition is here. Features Arctic sea ice minimum 2019 – how did it fare this year An annual occurrence when the area/volume of Arctic ice has reached its smallest after the “summer melt season”.