wind-driven current systems in the ocean have steadily shifted toward the poles. Experts at the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI), came to this conclusion after

for isotope analysis. Sample preparation (Photo: Alfred-Wegener-Institut, Levent Vorpahl) Ceramic tube furnace (Carbolite GmbH) (Photo: Alfred-Wegener-Institut, Levent Vorpahl) For measuring stable oxygen [...] e oxygen– Rapid Communicatons in Mass Spectrometry 24: 2655–2664. Laser fluorination (Photo: Alfred-Wegener-Institut, Levent Vorpahl) Dehydrated samples are then combusted under BrF5 atmosphere by means [...] opal to O2 and SiF4 (this process is called laser fluorination). PDZ Europa 2020 IRMS (Photo: Alfred-Wegener-Institut, Levent Vorpahl) Polar Terrestrial Environmental Systems: <link en science geosciences

and 3 show the distribution of deployed buoys since 2012. Map 2 (Graphic: Alfred-Wegener-Institut) Map 3 (Graphic: Alfred-Wegener-Institut)

(Graphic: Alfred-Wegener-Institut) Fig. 3b (Graphic: Alfred-Wegener-Institut) Fig. 3c (Graphic: Alfred-Wegener-Institut) Figure 1: Surface circulation of the Arctic Ocean (Graphic: Alfred-Wegener-Institut) [...] which mark the Atlantic origin waters (Karcher et al, 2012) (Graphic: Alfred-Wegener-Institut) Fig. 3d (Graphic: Alfred-Wegener-Institut) Figure 3: Concentration of 129 Iodine [10 7 at/l] at 240m depth [...] sea ice) freshwater content (integrated in the area in blue on the map) (Graphic: T. Kovacz, Alfred-Wegener-Institut) The Arctic Ocean receives freshwater by run-off from Asia north of the Himalaya. Large

investigate the temporal variability of processes acting on the ice cover Ice Track Plot (Graphic: Alfred-Wegener-Institut) Example application of how IceTrack can support campaign planning: Here IceTrack was [...] (ULS) location in the Laptev Sea: comparison between observed and simulated draft. (Graphic: Alfred-Wegener-Institut) A novel sea ice model framework, based on the single-column sea ice model Icepack ( [...] expedition . Validation sequence for the forecasting system for the years 2018 and 2019. (Graphic: Alfred-Wegener-Institut) The figure shows a forecast of the likelihood of encountering an ice concentration

(RSF) have selected six further Joint Research Groups, including one with participation of the Alfred Wegener Institute.

collect and analyse samples from the mudflats. The children were supported by a small team from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI).

currently being carried out in the circumpolar regions of the world. ICRSS-2006 group shot (Photo: Alfred-Wegener-Institut) 10th ICRSS 2008 (Whitehorse, Yukon, Canada) The 10 th International Circumpolar Remote [...] being carried out in the circumpolar regions and elsewhere. ICRSS-2008 conference photo (Photo: Alfred-Wegener-Institut) 11th ICRSS 2010 (Cambridge, United Kingdom) The 11th International Circumpolar Remote [...] of work currently being carried out in the circumpolar regions. ICRSS-2010 group photo (Photo: Alfred-Wegener-Institut) 12th ICRSS 2012 (Levi, Finland) The theme of the 12 th CRSS symposium, May 14-18 2012

Climate History
An international team of researchers led by geoscientists from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, have now provided a new and unprecedented

the MOSAiC ice camp – with this image Esther Horvath, a photographer and photo editor at the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI), won the World Press Photo Award