are the impressions and outcomes that an international research team is now bringing back from a Polarstern expedition to the Central Arctic. After a four-month-long Arctic season, the Alfred Wegener Institute’s

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

Weekly Report No. 1 | 18 July - 24y July 2016
In the evening of 18 July the research ice breaker Polarstern left the port of Tromsö (Norway) in cloudy and windy conditions to start its 100th expedition.

Polarstern Core Repository The section Marine Geology curates and archives sediment cores from both polar oceans which were taken by RV Polarstern since 1983. The collection comprises more than 4000 cores

expensive, development discontinued. ANT 23.2 Polarstern Nov 2005 - Dec 2005 Use of same cameras facing strictly forward, but mounted under roof of Polarstern's crow's nest and passively gimballed against [...] impeding automatic whale detections. Polarstern PS115/1 Aug - Sep 2018 ~60 TByte data collected Ship based operation of FIRST-Navy infrared imager on RV Polarstern for marine mammal mitigation during seismic [...] occasion, ship's antennas cause frequent false positives. Polarstern MOSAiC Ship based operation of FIRST-Navy infrared imager on RV Polarstern for polar bear surveillance. PS128 765 h operational FIRST-Navy

PS106/2 - Weekly Report No. 7 | 2 - 9 July 2017
During our northward transect, Polarstern bit its way through heavy sea ice, hard as concrete and covered with a thick layer of snow. This altogether

2019
About a week ago, in the evening hours of August 10 in Bremerhaven, it was “lines off” for Polarstern, as she set course through the initially calm sea towards the long-term observatory area Hausgarten

Marine Litter
On the current Polarstern expedition, scientists from the Alfred Wegener Institute have deployed a multicopter with a high-resolution camera to quantify marine litter floating on the sea

Weekly Report No. 5 | 6 - 12 March 2017
A world of gigantic icebergs made the scenery which Polarstern passed through on its track from Pine Island Bay to the western Amundsen Sea Embayment. The icebergs

Award
Caught in the glare of Polarstern’s spotlights, a curious mother polar bear and her cub explore the MOSAiC ice camp – with this image Esther Horvath, a photographer and photo editor at the Alfred