rview.html Arctic Ocean Science Board : The Board supports large-scale multinational and interdisciplinary Arctic research projects. www.aosb.org Arctic ROOS : Arctic Regional Ocean Observing System [...] hic Information System (OBIS). www.iobis.org Ocean Colour Data Portal . oceanographicdata.org/REASoN_OceanColorDataPortal.html OceanSITES : A global network of deap sea reference stations [...] for the study of atmosphere-ocean interactions in the tropical Atlantic. www.pmel.noaa.gov/pirata/ POGO: Partnership for observation of the global ocean. www.ocean-partners.org/ PISCO : long-term

multidisciplinary investigations in the atmosphere, the water column and at the seafloor of the Arctic Ocean.
[...] the early evening on the 13th June 2016 we set sail for the long passage from Bremerhaven to the Arctic. We, that is 45 crew members and a total of 51 scientists, engineers, technicians and students with

fluxes in ice covered oceans (Photo: Stefanie Arndt, AWI) The radiation budget of sea ice dominates the sea-ice energy balance and the exchange of energy between the atmosphere and the ocean in ice-covered regions [...] sets from remote regions of the Arctic and Antarctic. Contact: Dr. Marcel Nicolaus Dr. Christian Katlein Dr. Gerit Birnbaum Surface albedo of ice-covered regions in the Arctic and Antarctic mostly depends [...] to the atmosphere (albedo), that is absorbed by snow and sea ice, ant that is transmitted into the ocean (transmittance). We perform various radiation measurements during our field campaigns using Polarstern

l factors to explore the ecological role of marine mammals in the Arctic Ocean. Data stem from the interdisciplinary Arctic FRAM ocean observatory, which provides a unique opportunity to gain insight into [...] distribution patterns of marine mammals in polar seas. During my PhD I am analyzing polar ocean (Southern Ocean and Arctic Ocean) passive acoustic monitoring data to investigate the influence of the three soundscape [...] into these interrelationships. I strongly believe that a holistic understanding of the Arctic Ocean ecosystem is essential in view of future management and conservation strategies to preserve this unique

region? Svalbard is a key region of climate change in the Arctic. On the one hand it is close to the Atlantic water inflow to the Central Arctic Ocean, and on the other hand it is located along the North Atlantic [...] by other stations in the Ny-Ålesund Atmosphere Flagship Program , and with Arctic wide observations in the International Arctic Systems for Observing the Atmosphere (IASOA) . Major activities are related [...] Changes observed in this region with increased heat advection can be seen as a precursor for the future Arctic climate. The section “Atmospheric Physics” is operating a large part of the atmospheric observations

parameters in the water column of the Arctic Ocean on a regular basis to better understand the impact of a variable environment on ecological processes in the Arctic ocean. ICES Working Group on Plankton and [...] such as Pseudnitzschia sp. , or different species of the genus Alexandrium sp . FRAM (Frontiers in Arctic Marine Monitoring) The development of a standardized molecular observation strategy for marine eukaryotic [...] microbial observatory that aims to monitor and understand how ongoing environmental changes affect Arctic marine prokaryotic and eukaryotic microbial communities and how these changes will alter their role

Research Meltwater pools on the Arctic Ocean. The polar regions and oceans are central drivers of climate-related processes. (Photo: Stefan Hendricks, Alfred-Wegener-Institut) Oceans cover seventy percent of [...] by their fascinating diversity, they hold resources essential to humanity’s survival. Not only do oceans and their ecosystems fulfil a key role in the control of global environmental processes; they are [...] cities and claims to usage rights are often concentrated, the vast and unpopulated regions in the Arctic and Antarctic are also transforming. Not only are the polar regions highly sensitive to climatic

atmosphere-ocean interactions Atmosphere-ocean interactions at high latitudes are thought to play a key role in past atmospheric CO2 variability by controlling the sea-ice field, upper ocean physical parameters [...] in the Arctic, Topic: ERC-2018-COG AGENSI, an ERC Horizon 2020 project led by Stijn de Schepper (Bergen University, Norway), takes an innovative approach to generate essential knowledge on Arctic sea ice [...] the Arctic and global climate state. If greenhouse gas emissions remain unchecked and further increase, summer sea ice loss may pass a critical threshold that could drastically transform the Arctic as we

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.

m at Gakkel Ridge of the Central Arctic. Such integrated studies of ultraslow oceanic spreading zones are rare, because the most extensive of these systems, the Arctic Gakkel Ridge and the Southwest Indian