• Locations and Facilities

    _________________________ Sylt (North Sea) The island Sylt in the North Sea (Photo: Alfred Wegener Institut) Sylt is the northernmost island of Germany located in the Wadden Sea of Schleswig-Holstein. Scientific [...] Offshore diving in the German Bight and North Sea Research Vessel Heincke (Photo: Alfred Wegener Institut) Dive missions in the German Bight and the North Sea are conducted from the research vessel RV [...] For sientific divers, the rocky island of Helgoland provides a unique biotope in the Southern North Sea (German Bight). Dive sites around Helgoland are typically characterized by hard bottom or sandy

  • HGF-Projects

    Boetius, AWI, Bremerhaven The FRAM Ocean Observing System will be installed in the gateway between the North Atlantic and the Central Arctic, representing a highly climate-sensitive and rapidly changing region [...] Lochte, AWI, Bremerhaven The ROBEX alliance aims to pool expertise gained in lunar expeditions and deep sea investigations to identify, develop, and test technologies that will allow the exploration of highly [...] inaccessible terrain, including areas on earth with extreme environmental conditions, such as the deep sea and Polar Regions, as well as other planets. The alliance will focus on developing a modular, robotic

  • Phycotoxins

    (Photo: Alfred-Wegener-Institut) LC-MS/MS chromatogram of a planktonic field samples from the North Sea containing several phycotoxins. Chemical structures of several phycotoxin classes. Current list

  • Permafrost

    for the polar regions Sea Ice Motion and Deformation Envisat ASAR image of different sea ice types (© ESA / Envisat, 2006) (Photo: Alfred Wegener Institut) Drift and deformation of sea ice Polynias Terra [...] topic is called “ZackSAR”. Here, radar remote sensing data are evaluated for Zackenberg valley in north east Greenland. In 2013 and 2014, expeditions took place in the area. During field work, the environmental

  • REKLIM-Max_en

    sediments are used to reconstruct different climate variables as e.g. past changes in sea surface temperature and sea-ice variability (Uk ' 37 ; IP 25 ) or circulation dynamics (δ 13 C; δ 18 O). Ultra h [...] et al. (2014) Figure 2: Detailed Comparison of sedi-ment proxy records from the subpolar North Pacific and North Atlantic realm from 138 to 70 ka on their established time scales (Max et al., 2014). Source:

  • Southern Hemisphere Westerly-Collins

    how the SHW interacted with past changes in sea surface temperature and how this is linked to changes in Antarctica. We aim to reconstruct precipitation and sea surface temperature on decadal to millennial [...] southern hemisphere westerly wind belt (SHW) encircles Antarctica, tracking the mid-latitude meridional sea surface temperature gradient (e.g. Lamy et al., 2010 ). The SHW is an important component of global [...] understanding of the dynamics of the SHW and temperature evolution. To this end, we investigate a north-south transect of marine and lake sediment cores spanning the range of the SHW (Fig. 1). From these

  • West Antarctic Ice Sheet

    east of the Ross Sea operated in either dextral strike-slip or extensional motion throughout the region to the south and east of the Amundsen Sea Embayment and in the Bellingshausen Sea sector, connecting [...] on the Amundsen Sea shelf: (1) distributed rifting events parallel to the breakup front, (2) the influence of the Bellingshausen Plate motion with a plate boundary through the Amundsen Sea Embayment, and [...] and geothermal heat-flow data to improve our understanding of the role of the Amundsen Sea and Bellingshausen Sea shelves and margins in context of the continental breakup, activities of the West Antarctic

  • Team

    aims are to: Determine submarine permafrost thawing rates on the Bykovsky Peninsula (north Siberia) and Alaska North Slope using a combination of geophysical, sampling, and remote sensing methods Determine [...] permafrost landscape dynamics and Earth System feedbacks Permafrost coring in the Fish Creek Delta, North Alaska (Photo: Alfred Wegener Institut) Arctic permafrost landscapes change rapidly under the influence [...] permafrost thaw processes. Different study sites, such as the Lena Delta in Siberia or the Alaska North Slope, among others, serve as the key study sites for my research. Contact: Ingmar Nitze Keywords:

  • SASKOS

    first move from the Antarctic Peninsula/ northern Weddell Sea southeastwards to a position close to Neumayer Station (70°39’ S, 08°15’ W, ~600 km north of Kohnen Station) and then continue to move to the east [...] Weddell Sea southeastwards to a position close to Neumayer Station and become stationary there. (12% of events). Category IV: Lows which first move from the Antarctic Peninsula/ northern Weddell Sea sout

  • Data Assimilation

    future projection experiments (e.g., sea ice outlook).We have been developed data assimilation system which exploits observed sea ice concentration, ice thickness and sea ice drift obtained from satellite [...] successfully applied to North Atlantic/Arctic Ocean Sea Ice Model (NAOSIM) developed at the Alfred Wegener Institute (AWI). We are currently working to apply the systems to Finite-volumE Sea ice-Ocean Model (FESOM2) [...] fields”, which are a set of ocean and sea ice variables optimally combining observations and a model. The analysis fields are applied for a variety of ocean and sea ice studies in the Arctic Ocean, and