parts of North America – reaching an ice thickness of more than 3 km, before it finally melted at the end of the ice age. To date, there have been few detailed studies of the evolution of the North American [...] that in particular the snowfall in summer favoured the growth of the ice sheet and influenced the sea level.
glance The Greenland Ice Ice Sheets Sea Ice Influence on Europe's climate Climate change in the Arctic Climate change and the Southern Ocean Climate change and the NorthSea Climate change and the ocean Permafrost [...] Governance The collaborative framework of AWI’s Antarctic research Marine Protected Area in the Weddell Sea Arctic Council Shipping in the Arctic Arctic and Antarctic – more differences than similarities? Arctic
25 September - 1 October 2017 This week started with a disappointment. As a result of very dense sea ice coverage we were unable to recover 3 moorings deployed near the northern edge of the embayment [...] observe the circulation at the transition from Norske Trough in the south to Westwind Trough in the north.
transect, Polarstern bit its way through heavy sea ice, hard as concrete and covered with a thick layer of snow. This altogether slowed down our progress into the north significantly. During our journey in the
Focus Ocean Acidification Sea Ice Permafrost Marine Litter NorthSea Arctic Ocean Polar Prediction Ice Sheets MOSAiC Expedition Highlights “The Litter is a Whole New Dimension” AWI biologist Lars Gutow [...] Gutow shares insights into his expeditions to the NorthSea and Sargasso Sea, where he investigated how marine litter is spreading Now we have the perfect prescription With the aid of our new ultra-wideband [...] Antarctica the sea ice formation in the southern Weddell Sea will decrease – and thus the salt content of the cold water. What then happens is shown by our infographics The new species in the Wadden Sea There are
white wooden motorboat Aade built in 1974 is on the move exclusively in the waters all around the NorthSea island Helgoland. It runs out every single day to take samples for the Helgoland Roads long time [...] module. The Aade is the biggest "Börteboot" of Helgoland – the wooden boats are typical for the NorthSea island. They bring passengers of ferries and holiday ships to the island and they are used also [...] PS (one engine) Range Day tours Max. speed 9 knots Operation area Around Helgoland Crew 2-3 Days on Sea per year (2013) Day tours at stations plans Shipyard Bootswerft H.Hatecke Freiburg/Elbe, Germany Scientists
floe: the sea ice in which the research vessel Polarstern is now drifting through the Arctic was formed off the coast of the archipelago, which separates the East Siberian Sea and the Laptev Sea to the north [...] north of Siberia, in December 2018. Sediments, and even small pebbles and bivalves, were incorporated into the ice during the freezing process, which the on-going melting process has brought to light on
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
hydrography of the North Atlantic. To this end we analyse the impact of oceanic resolution in key regions, such as the Gulf Stream and North Atlantic Current regions, the Labrador Sea, and the Denmark Strait [...] n of the adjacent sea ice. Resolving the eddy field in the Greenland Sea is assessed in terms of reducing the deep thermocline bias. The effects of better resolving the Labrador Sea area on reducing the [...] , allowing the explicit representation of eddies and narrow boundary currents in the North Atlantic and Nordic Seas, can alleviate the common model errors. The impact of increased resolution on the modeled
the NF-POGO Centre of Excellence at AWI, a comprehensive oceanographic training programme on the NorthSea Islands of Helgoland and Sylt. The new participants from the Philippines, Sri Lanka, India, Madagascar