change? How is climate change affecting fishing in the Southern Ocean? To FAQ element How can fish survive in the frigid waters of the Southern Ocean? Due to its high salinity, the Southern Ocean’s [...] native to the Southern Ocean, only the Antarctic fur seal and southern elephant seal breed on land; the crabeater seal, Ross seal, leopard seal and Weddell seal [...] of meltwater, containing a wealth of fine sediments, into the ocean. Although this fertilises the ocean with iron, which is important for algal growth and chronically in short supply in the region,

permafrost erosion, organic carbon and nutrient release to the arctic nearshore zone (COPER) Permafrost Erosion Arctic permafrost coasts account for 34% of the coasts of the Earth and are extremely [...] are instantly washed away by incoming waves. With warming in the Arctic expected to be roughly two to four times as high as the global mean, sea ice extent is expected to decline dramatically and induce [...] studies are therefore necessary to understand the response of Arctic coasts to environmental forcing and to better quantify the amount of sediment and organic matter released by coastal erosion. The

An entire year trapped in the Arctic ice MOSAiC - Multidisciplinary drifting Observatory for the Study of Arctic Climate It is the largest-scale Arctic research expedition [...] , the German research icebreaker Polarstern drifted through the Arctic Ocean, trapped in the ice. Participants from institutions from more than 20 countries studied the Arctic over the course of the year [...] for miles. Hardly any other region has warmed as much as the Arctic in recent decades. Therefore, the MOSAiC project's goal was to reach a better understanding of the influence that the Arctic has on

, we aim to improve current predictions about the fate of the Arctic Ocean in times of climate change Link to project webpage ARJEL To better understand the role of jellyfish in Arctic seas, the [...] for future sustainable ecosystem management in the Central Arctic. Link to project webpage SO-ASE The Helmholtz Investigators Group “Southern Ocean & Antarctic Sea ice Evolution (SO-ASE)” is looking [...] system. Link to project webpage SO-CLIM Linkt to project webpage oceanPeak ERC Starting Grant OceanPeak COLDSPOT The project investigates where and why Arctic soils act as sinks for methane and nitrous

on short and long time scales. Research focuses on areas in the Arctic and sub-Arctic, the Arctic Ocean, the Southern Ocean and Antarctica. The studies include reconstructions of ice sheet dynamics, oceanic circulation and tectonic processes that influenced longterm climate development. We investigate the interaction of tectonic and

in various research areas: Climate and Geoscience (atmosphere, ocean, ice and land), Coastal and Shelf Sea Systems, Terrestrial Arctic Ecosystems and Permafrost, Marine and Polar Life, Aquaculture,

Double-Trouble Resilience and vulnerability of the central Arctic Ocean food web to cumulative stress by warming and anthropogenic pollution. Head of Group Dr. Doreen Kohlbach Further members of [...] Previous research suggests that pelagic food webs in the Central Arctic Ocean (CAO) are highly dependent on ice-associated food sources (Fig. 1), but how prevailing trophic structures will change with [...] traffic will bring more anthropogenic pollutants, even to remote Arctic regions, where they are entrained in water and sea ice, and transferred along the marine food chain. Figure 1. Carbon flow in polar

Observatory to investigate the effects of global warming on the Arctic deep sea. Since 2012, she has been focusing on plastic pollution in the oceans. She has published the reference book 'Marine

A. (2025) Assessment of transparent exopolymer particles in the Arctic Ocean implemented into the coupled ocean-sea ice-biogeochemistry model FESOM2.1-REcOM. Geoscientific Model Development (GMD) https [...] A survey of carbon monoxide and non-methane hydrocarbons in the Arctic Ocean during summer 2010: assessment of the role of phytoplankton, Biogeosciences Discuss., 9, 4727-4792, doi:10.5194/bgd-9-4727- [...] Heft 6, 81. Cherkasheva, A., Bracher, A., Melsheimer, C. (2010). Arctic marine primary production with respect to changes in sea ice cover., Proceedings “Oceans from Space” Venice (Italy), 26-30 April

Insights into Water Mass Circulation and rigins in the Central Arctic Ocean from in-situ Dissolved Organic Matter Fluorescence. JGR Oceans; JGRC24631: doi 10.1029/2021JC017407 Von Appen W.J., Waite A. [...] (2018) Underway spectrophotometry in the Fram Strait (European Arctic Ocean): a highly resolved chlorophyll a data source for complementing satellite ocean color. Optics Express 26(14): A678-A698; https [...] Schewe, I. , Klages, M. and Boetius, A. (2013) FRAM - FRontiers in Arctic marine Monitoring: Permanent Observations in a Gateway to the Arctic Ocean. OCEANS - Bergen, 2013 MTS/IEEE. doi: 10.1109/OCEANS-Bergen