benthos. The Fram Strait essentially forms a connection between Arctic and Antlantic waters and due to the Fram Straits importance for global ocean circulation, it is vital to understand the physical but also [...] connectivity within the Arctic. Particular attention will be placed on assessing the contribution of small cells, imperceptible with traditional techniques, to export processes in the Arctic. [...] Hausgarten/FRAM (Frontiers in Arctic Marine Monitoring) Sampling stations in the Hausgarten observatory: Experimental sites (red circles), mooring sites (black triangles) The Hausgarten deep sea observatory

of sea ice retreat on the entire ocean system from the surface to the deep sea. Eleven years ago, Antje Boetius was part of the largest ever sea ice minumum in the Arctic and its consequences for life in [...] the North Pole. For two months, a good fifty scientific expedition participants will explore the Arctic in transition as sea ice extent reaches its annual minimum in September. They will explore the biology [...] in the deep sea. Now she is returning with her team to compare the state of the Arctic today - also with the data from the MOSAiC expedition 2019/20.

ut) The Arctic boundary has been observed over many years to better understand and monitor the exchanges between the Arctic Ocean and its neighboring oceans. The unique geometry of the Arctic—surrounded [...] the Arctic Ocean with hydrographic observation lines (Figure 1). A method to treat the Arctic as a single box bounded by hydrographic lines and land has been developed recent years. This pan-Arctic approach [...] monitor the major oceanic heat and FW exchanges between the Arctic Ocean and surrounding Oceans? (2) Where is the most efficient place to add additional instruments to increase the accuracy of measurements?

ARCGATE The Arctic boundary has been observed over many years to better understand and monitor the exchanges between the Arctic Ocean and its neighboring oceans. The unique geometry of the Arctic—surrounded [...] Polarstern set sail from Tromsø to drift in the Arctic Ocean for a year—trapped in the ice. The goal of the MOSAiC expedition was to study the Arctic, the epicenter of global warming, more closely than… [...] Since the early 20th century hydrographic measurements have been carried out in the Arctic Ocean. Although today the Arctic is a hotspot of climate change, data sampling is still sparse due to the large sea

Siberian river systems into the central Arctic and the North Atlantic. This material affects Arctic biogeochemistry and ecosystems, while the fresh water itself alters ocean circulation. The Alfred Wegener Institute [...] suspended matter from the Siberian shelves across the central Arctic towards the Fram Strait channel, which connects to the Nordic Seas. This cross-Arctic flow influences the delivery of both natural substances [...] known as the Transpolar Draft, operates. It also uncovers the various factors controlling this major Arctic surface current, including warmer temperatures which could increase the spread of human-made pollutants

AWIPEV Arctic Research Base Research Without Borders in the Arctic The Svalbard archipelago is located east of Greenland in the Arctic Ocean. The archipelago is home to Ny-Ålesund, one of the northernmost [...] 120 people from all over the world live together here. The small town is a hotspot of international Arctic research - eleven countries operate stations and research laboratories here. France and Germany maintain [...] from both countries have been conducting joint research on the effects of climate change in the Arctic as part of the Ny-Ålesund Research Station coordinated by Norway. The main task of the AWIPEV research

Institute and Professor at the University of Bremen. Ocean currents Ocean topography of polar regions Ocean-ice sheet interaction Sea level Ocean currents play various important roles in the climate and in ecosystems [...] the two polar regions makes the Arctic and Southern Oceans key regions in the context of ocean circulation. At the AWI, we investigate the characteristics and role of ocean currents through interdisciplinary [...] mid-latitudes to the Arctic and Antarctic. Once there, this heat can delay the formation of sea ice or cause the floes to melt more rapidly. This applies to the ice covering the Arctic Ocean, as well as to the

Projects AFIN: Antarctic Fast Ice Network Changing Arctic Ocean SIN'XS-Sea Ice thickness INtercomparison eXerciSe Arctic Passion Tara Polar Station ESA: Climate Change Initiative MOSAiC S3MPC-Sentinel-3 [...] -3 Altimetry Mission Performance ArcSolution SNOWflAke IceBird Transdrift: Arctic Ice-Ocean-Interaction CONTRASTS

Observing System ( ArcticROOS ) working with ocean observation and modelling systems for the Arctic Ocean and adjacent seas has been established within the EuroGOOS initiative. ArcticROOS will promote, develop [...] only open-ocean LTER site. LTER-D is a member in the international LTER umbrella organisation ILTER and in the European regional network LTER-Europe. Contact: T. Soltwedel ArcticROOS (Arctic Regional Ocean [...] Ocean Observing System) Project within the GOOS/EuroGOOS initiative Since 2006 Coordinator: Stein Sandven, Nansen Environmental and Remote Sensing Center (NERSC), Norway An Arctic Regional Ocean Observing

mixing in the warming Arctic. The current, relatively weak mixing processes in the interior Arctic Ocean are the life insurance for its sea ice: The waters entering the Arctic Ocean from the Atlantic are [...] to shed light on the various feedback processes between Arctic internal waves and sea ice and the ramifications for ocean dynamics in the Arctic and beyond. Climate models do not resolve the small and [...] d in a physics-based way in the Arctic. We will close this research gap and thereby contribute to improving climate projections. News How waves stir up the Arctic Ocean - new Emmy Noether Group… Waves