Northernmost hot springs of the earth discovered

field on Earth here – only around 300 kilometers from the North Pole. This discovery suggests that research into hydrothermal activity in the deep sea needs to be rethought. The results were published in the [...] There is a greater variety of hydrothermal systems in the deep sea than previously assumed. This is the result of a recent study lead by MARUM – Center for Marine Environmental Sciences and the Faculty

Circulation in the Arctic Ocean and the Nordic Seas

and the Nordic Seas The Arctic Ocean and the Nordic Seas are integral parts of the Atlantic meridional overturning circulation, and hence key regions for the global climate. The perennial sea ice cover makes [...] glacier which is the main outlet glacier onto the shelf east of Greenland. The Shelf Seas The Shelf Seas Shallow shelf seas occupy ~40% of the Arctic Ocean’s area. The shelves’ current systems convey the [...] shape the circulation and water masses of both the Arctic Ocean and the Nordic Seas, which form the Arctic Mediterranean north of the Greenland Scotland Ridge. The reduction of the Arctic ice cover in the

DEPAS

Recovery of DEPAS OBS in the Indian Ocean Recovery of DEPAS OBS in the Caribbean Sea Deployment of DEPAS OBS in the North Atlantic Recovery of a DEPAS OBS with an ROV Further information: DEPAS home Application

Ocean-Ice Shelf Interaction

an ice shelf is born. Meteoric ice floats on sea water because of its density being smaller (910 kilograms per cubic meter) compared to the density of sea water (1028 kilograms per cubic meter). An ice [...] part of an ice sheet and floats on the ocean, but it rests on the sea floor at its fringes and on embedded islands. Contact with the sea floor slows down the seaward movement of shelf ice and thus the ice [...] formed by intensive sea ice formation in coastal polynyas (large ice-free area near the coast) flushes the ice shelf cavity (Fig. 2), causing melt rates less than 1 meter per year. Sea water at the surface

Wadden Sea Station

Wadden Sea Station Sylt The AWI`s Wadden Sea Station in List on the island of Sylt is the northernmost research center in Germany. Located within walking distance of the Wadden Sea, it offers the ideal [...] more AWI North Sea Office Communicators of scientific contents Find out more Events Public lectures Open Day Girls`Day Find out more List Oyster Trail Oyster fishing and oyster research in the North Frisian [...] understanding of the Wadden Sea ecosystem. The station is also home to the NF-POGO Centre of Excellence. Emerged from a small field station for Oyster Research founded in 1924 the Wadden Sea Station Sylt can look

ARCGATE

Ocean and its neighboring oceans. The unique geometry of the Arctic—surrounded by the land masses of North America, Greenland and Siberia—has encouraged researchers to make a joint effort to enclose the Arctic [...] calculated to better understand the Arctic Ocean’s role on the carbonate system. Figure 2: Net oceanic and sea ice FW transport (m3s-1) time series. The transport estimate during 2004-2010 will be quantified under [...] Fram Strait, respectively; the Institute of Marine Research (IMR) in Bergen, Norway for the Barents Sea Opening (BSO); and the University of Alaska Fairbanks (UAF) in the US and Arctic and Antarctic Research

Southern Ocean - Overturning Circulation

rotating gyres of the Ross and Weddell Seas. Heat losses to the atmosphere, interactions with the adjacent ice shelves, and salt enrichment by brine ejected from freezing sea ice result in very dense water masses [...] mean wind field. The deep water masses upwelling in the Antarctic Divergence, sucked in from their North Atlantic source regions, are partly driven northward near the surface towards the northern flank of [...] masses which run down the continental slope towards the deep sea floor. The newly formed and well ventilated bottom water underrides, steered by bottom topography, the ACC to fill the deep basins of the

UDASH

Although today the Arctic is a hotspot of climate change, data sampling is still sparse due to the large sea ice cover. Yet both the historical and the modern observational data are important for long-term climate [...] database contains almost 290.000 quality checked oceanographic profiles for the Arctic Mediterranean north of 65°N in the time period 1980-2015. It thus represents a unique tool to study long-term changes

Publications

Koldunov, D. Sein, and T. Jung, 2022: Assessment of the Finite-VolumE Sea ice–Ocean Model (FESOM2.0) – Part 2: Partial bottom cells, embedded sea ice and vertical mixing library CVMix. Geosci. Model Dev. , 15 [...] e.adq7280 . Wang, Q., S. Danilov, and T. Jung, 2024: Arctic freshwater anomaly transiting to the North Atlantic delayed within a buffer zone. Nature Geosci ., 17 , 1218–1221, doi.org/10.1038/s41561-024-01592-1 [...] Goessling, H.H. Hellmer, D.V. Sein, T. Semmler, D. Sidorenko and T. Jung, 2022: Delayed Antarctic sea-ice decline in high-resolution climate change simulations. Nature Comm. , 13 , 637, doi.org/10

CranGo

known as sand shrimp or brown shrimp, is a popular, high-priced and regional product of the German north sea coasts. The current fishing methods are causing considerable damage to the seabed and destroying [...] Contact: Mail to Isabela , Mirko or Kai Duration: 3.2024 – 3.2025 Funding: AWI-Innovationsfond A young North Sea shrimp from the mudflats (Photo: M. Bögner Alfred-Wegener-Institut) Not a typical mudflat dweller