transfer in Arctic Marginal Ice Zones: ( www.mare-incognitum.no/index.php/cleopatra-ii ) Transdrift: The transpolar system of the Arctic Ocean: ( www.transdrift.info ) Fram: Frontiers in Arctic Monitoring [...] warming, the inflow of Atlantic water into the Arctic increases, and this may lead to a shift in the dominant species which may have severe consequences for the Arctic food web. Copepod (Photo: T. Scherzinger) [...] physiological responses of dominant species to climate chance to predict their role in the future Arctic Ocean. Feeding biology and trophic interactions of key species Who feeds who“ is one of the major factors

Underway spectrophotometry in the Fram Strait (European Arctic Ocean): a highly resolved chlorophyll a data source for complementing satellite ocean color. Optics Express Other references: 1. T.F. Stocker [...] “Amplified Arctic warming by phytoplankton under greenhouse warming,” Proc. Natl. Acad. Sci. 112 (19), 5921-5926 (2015). 3. K.R. Arrigo and G.L. van Dijken, “Continued increases in Arctic Ocean primary [...] atmospheric and oceanic DMS levels to particle nucleation events in the Canadian Arctic,” J. Geophys. Res. Atmos. 116 (D17), D00S03 (2011). 7. P. Tunved, J. Ström, and R. Krejci, “Arctic aerosol life cycle:

part of projects such as FRAM, LTER HAUSGARTEN, PEBCAO in different regions of the Arctic Ocean. The main goal of our arctic research is to understand and follow seasonal and interannual fluctuations of particle [...] , Angelina Kraft, Gordon Lax, Eva-Maria Nöthig Research The Arctcic Ocean reacts more sensitive to Gloabal Change than other oceans. Sea ice strongly decraeses, temperatures rise at least twice as much [...] months. While in FRAM strait and on the arctic shelves, a relatively high proportion of biomass was being observed, the proportion of biomass in central Arctic, sea ice covered waters is relatively low

Arctic Ocean
This summer the sea-ice cover on the Arctic Ocean shrank to the second-smallest extent since the beginning of satellite observation in 1979. By mid-September it covered only 3.8 million [...] formed in Russia’s marginal seas, and soon melted again when the spring came. Secondly, this year the Arctic has seen extremely high air and water temperatures. Accordingly, heat gnawed away at the ice from

study of Arctic Ocean surface sediments (Fig. 2; Xiao et al., 2015 ). During the last years, a large number of IP 25 /PIP 25 studies have been carried out to reconstruct the late Quaternary Arctic sea-ice [...] Polar sea ice variability - Arctic Our ability to quantitatively reconstruct Arctic paleo-sea-ice distributions has been greatly improved by a novel biomarker approach which is based on the determination [...] SeaIce4). In order to fully establish the IP 25 approach as key proxy for the reconstruction of past Arctic Ocean sea-ice conditions, however, more ground-truth data related to the synthesis, diagenesis, and

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

improve the understanding of polar atmospheric processes and their interactions with sea ice and ocean in the global context. We combine long term observations from ground stations and innovative measurements [...] improving the representation of polar processes in regional to global scale climate models. We run the Arctic research station AWIPEV on Svalbard and the meteorological and atmospheric observatory at the Antarctic

(AWS) In addition to the long-term measurements in Antarctica, ( Neumayer_III ), in the Arctic (AWIPEV ) and on the oceans ( Polarstern ) automatic weather stations (AWS) are in use. The numbers of the AWS-systems

in various ways for many similar types of sensors utilized in ocean sciences, including a drogue to make the surface unit drift with the ocean currents and less with the wind. Our main application is to [...] platforms to obtain time series data throughout all seasons from the very remote regions in the Arctic and Antarctic. Our autonomous platforms, or more generally speaking ‘ice tethered platforms’, are [...] airborne campaigns and leave them behind to continue monitoring the atmosphere, snow, sea ice, and upper ocean. Often, we simply call them ‘buoys’ although most of these systems are not able to float and depend

Press release