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 from [...] Roberts Project are also maintained by the AWI repository. Lacustrine sediments cored from lakes in the Arctic and Antarctic are archived by the section Polar Terrestrial Environmental Systems at AWI Potsdam

"Hausgarten" area - a long-term deep sea station in the Arctic Ocean ..................... 11 La "Hausgarten" - observatoire a long terme de l'ocean profond Arctique ........................ 11 Effects of [...] Programmes The "Hausgarten" area - a long-term deep sea station in the Arctic Ocean La "Hausgarten" - observatoire a long terme de l'ocean profond Arctique Effects of micro-scale environmental heterogeneity [...] extend an existing data set On living and dead benthic foraminifera from the marginal and central Arctic Ocean towards the south. Benthic foraminifera are sensitive to changing environmental conditions. Fauna

(5600 m), Fram Strait, Arctic Ocean, Vie et milieu-life and environment, 53-1 (2003) 1-14. F.T. Thwaites, A.J. Williams 3rd, Development of a Modular Acoustic Velocity Sensor, Oceans 96 (1996) 607-612. - [...] ..................36 3.1 Small-scale environmental heterogeneity and biodiversity in the deep Arctic Ocean ............................................................................................. [...] environmental changes in a the transition zone between the northern North Atlantic and the central Arctic Ocean, and to determine experimentally the factors controlling deep-sea biodiversity, the Alfred- Wegener-

consequences for the internal Arctic Ocean circulation and influences ice and atmosphere. The outflow from the Arctic Ocean to the Nordic Seas and further to the Atlantic Ocean forms a contribution of the [...] circulation of Atlantic Water through the Arctic Ocean. A large part flows through the Fram Strait which is the only deep connection between the Arctic and the World Ocean. From the North Atlantic warm and saline [...] consists of the circulation of Atlantic Water through the Arctic Ocean. From the North Atlantic warm and saline water flows to the Arctic Ocean where it is modified by cooling, freezing and melting and

induced large-scale environmental changes on the Arctic marine ecosystem in the transition zone between the northern North Atlantic and the central Arctic Ocean, and to determine experimentally the factors [...] deep-sea, long-term observatory in the Arctic Ocean, Oceanography, 18(3): 46-61. Wulff, U. & Wulff, T. (2014). Correcting navigation data of shallow-diving AUV in Arctic. Sea Technology, in press Wulff, T [...] an Autonomous Underwater Vehicle: Payload structure and arctic operations. In OCEANS-Bergen, 2013 MTS/IEEE (pp. 1-10). IEEE. DOI 10.1109/OCEANS-Bergen.2013.6608043 Wulff, T., Lehmenhecker, S. & Hoge, U

Changing Arctic Ocean) focusses on the plankton community and the microbial processes relevant for biogeochemical cycles of the Arctic Ocean. This research focus is acknowledging that the Arctic Ocean has gained [...] Package 4 (Arctic sea ice and its interaction with ocean and ecosystems) of the PACES- II programme, aim at assessing and quantifying ecosystem changes from surface waters to the deep ocean in response [...] elemental cycling in the surface ocean will alter due to ocean acidification. These environmental changes will have consequences for the biogeochemistry and ecology of the Arctic pelagic system. The effects

understand that the ocean system does not act as one body. The upper ocean (> 700 m depth) and the deeper ocean ( 3800 0.79 – 1.7 34.7 – 34.8 27.85 In the previous section, changes in ocean heat content and [...] 00 Objectives Ocean and shelf seas are pivotal to the future of humankind. Currently oceans provide roughly 20 % of the protein consumed by humans. The world GDP is mainly based on ocean economical aspects [...] than ever in order to secure earths´ future oceans as a sustainable resource. We aim to train ocean experts to address the sustainability of our global ocean, promoting excellence and moral sounding. In

climate state. doi: 10.1038/NGEO2974 . How the Arctic Ocean became saline FS Heincke in Spitsbergen (Photo: Alfred-Wegener-Institut) [06 June 2017] The Arctic Ocean was once a gigantic freshwater lake. Only [...] Atlantic-Arctic Ocean circulation controlled by the subsidence of the Greenland-Scotland Ridge. Nature Communications. doi: 10.1038/NCOMMS15681 . 2016 Intensification and poleward shift of oceanic boundary [...] present the ocean surface net heat flux. Positive values mean that the ocean release heat to the atmosphere, and [28 June 2016] Global warming results in fundamental changes to important ocean currents.

SAR mapping of young sea ice in the marginal ice zone from ocean gravity wave attenuation On the SAR mapping of young sea ice in the MIZ from ocean gravity wave attenuation Giacomo De Carolis1, Francesca [...] ons is still very large. The specific role of GPI in the energy exchanges between atmosphere and ocean has not yet fully understood, there is interest in improving observational capabilities to effectively [...] common form of ice in the freezing period in the MIZ. They are produced more often than before in the Arctic as a result of the sea ice cover decline, and are thought to be the primary source of sea ice fringing

matter within the rivers and oceans would allow to better assess the export, transformation and fate of tDOM (the largest fraction of dissolved carbon in the Arctic) in the ocean. Colored or chromophoric dissolved [...] supplied by Arctic rivers, which account for more than 10% of the total riverine and terrestrial organic carbon into the global ocean waters (Opshal et al., 1999; Benner et al., 2004). Most of the Arctic outflow [...] outflow and, as a consequence, the total carbon mobilized into the Arctic Ocean, leave the Arctic basin via the Fram Srait, following the East Greenland Current (EGC) and through the Davis Strait within the