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 [...] climate studies in the Arctic Ocean. Many of the collected data are publicly available, but scattered across different electronic archives. Consequently, scientists working on Arctic climate change have to [...] awi.de The „Unified Database for Arctic and Subarctic Hydrography“ (UDASH) is an attempt to gather all publicly available temperature and salinity data for the Arctic Ocean and to provide them on a high quality

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?

German Arctic Office The Arctic has become a key area where changes may raise complex sociopolitical issues of global importance. The development of the Arctic will affect Germany, Europe and the whole [...] working in the Arctic for more than 30 years. It is one of the few institutions worldwide with long-term interdisciplinary scientific research the northern polar region and the Arctic Ocean - from the seabed [...] in the Arctic Region, and informs German stakeholders from science, politics and industry with consitent information from the global Arctic research community. Forums and Events The German Arctic Office

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

the Weddell Sea Arctic Council Shipping in the Arctic Arctic and Antarctic – more differences than similarities? Arctic Governance Tourismus in Polar Regions EU Engagement in the Arctic Environmental Protection [...] Climate change in the Arctic Climate change and the Southern Ocean Climate change and the North Sea Climate change and the ocean Permafrost Information on Governance Svalbard Germany in Arctic research The c [...] Protection in the Polar Regions Knowledge on fish and their ecology in the Arctic Ocean Brochures AWI image brochure Brochure FRAM FOCUS on: Climate Research Brochure Coastal Research Brochure Climate 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

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

habitat under the snow and ice cover of the Arctic Ocean. The results of the study now published in the New dataset reveals biological “treasure trove” of Arctic Ocean A major new project will help benchmark [...] in the middle of the Arctic Ocean. The results from Stockholm University, the Alfred Wegener Institute and colleagues in the European Fisheries Inventory in the Central Arctic Ocean (EFICA) Consortium are [...] An entire year trapped in the Arctic ice MOSAiC - Multidisciplinary drifting Observatory for the Study of Arctic Climate It is the largest-scale Arctic research expedition of all time: From autumn 2019

production. In addition, ocean warming is leading to changes in the winter mixed layer in the North Atlantic, which has reduced the amount of silica entering the Arctic Ocean in recent decades. This will [...] the consequences of silica decline for the Arctic marine ecosystem and the mechanisms responsible. To understand how climate change affects the Arctic Ocean, we will combine novel and classical approaches [...] Group Silicic acid Decline Effect on Marine Arctic Ecosystems SideEFFECT (Graphic: Mar Fernández-Méndez) Human-induced climate change is altering the ocean on a previously unimaginable scale. One of the