l factors to explore the ecological role of marine mammals in the Arctic Ocean. Data stem from the interdisciplinary Arctic FRAM ocean observatory, which provides a unique opportunity to gain insight into [...] distribution patterns of marine mammals in polar seas. During my PhD I am analyzing polar ocean (Southern Ocean and Arctic Ocean) passive acoustic monitoring data to investigate the influence of the three soundscape [...] into these interrelationships. I strongly believe that a holistic understanding of the Arctic Ocean ecosystem is essential in view of future management and conservation strategies to preserve this unique

station. Antarctic To be filled! Text is missing Arctic Ocean (Central Arctic) FS Polarstern MOSAiC (Photo: M. Gutsche) The polar oceans in the Arctic and around Antarctica, characterized by their seasonal [...] expedition The Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) was a major year-long campaign in the Central Arctic Sea ice, using the research icebreaker Polarstern . MOSAiC was [...] 400 scientists and experts from 20 nations, who studied a full annual cycle of the Arctic Atmosphere, Sea ice, Ocean, Biogeochemistry and Ecosystem. Further information and scientific publications can

Climate Research
The Arctic Ocean in summer will very likely be ice free before 2050, at least temporally. The efficacy of climate-protection measures will determine how often and for how long. These

Gelatinous zooplankton from the Fram Strait region, Arctic Ocean (Photo: Mario Hoppmann/AWI) Gelatinous zooplankton, comprising cnidarians, ctenophores and tunicates, are known to be major drivers of ecosystem [...] the consequences of range shifts of Atlantic and Arctic jellyfish. A better understanding of jellies´ trophic role is crucial for the rapidly changing Arctic and surrounding shelf seas, responsible for 10% [...] topics currently addressed by ARJEL: How diverse are gelatinous zooplankton communities in the Arctic Ocean? Since gelatinous zooplankton are fragile and easily fragmented, there are some biases associated

will end and a new westward journey will begin. © European Union / Copernicus En route in the Arctic Ocean 10. September 2025 A major goal of this expedition aboard Polarstern is to study the origin of [...] of the East Greenland Current—one of the main pathways by which freshwater flows from the Arctic Ocean into the North Atlantic—and to map the marine ecosystem along Greenland’s northeast coast. Achieving [...] Saturday night into Sunday, we began one of the expedition’s key transects: crossing from the open Arctic Ocean toward the Greenland shelf. Along the way, we are collecting a rapid sequence of measurements

expedition to the Arctic Ocean. Over the next two months, an international research team will analyse the feedback effects between global warming and sea ice retreat in the Arctic Ocean. How climate change [...] change is altering the Arctic Ocean On 29 May 2025, the Polarstern research vessel set sail from Bremerhaven for the Arctic. The destination is the AWI Hausgarten long-term observatory situated between Svalbard [...] Svalbard and Greenland, where the scientists will investigate how the ecosystems of the Arctic deep sea are reacting to changing environmental conditions as a result of rapid climate change. Polarstern

(17/18 Sep 18). A new week begins - fog, calm sea, ice free. Nothing reminds us that we are in the Arctic Ocean (but this may change soon when are steaming northwards end of this week!).

changing ocean in climate change, the Arctic Ocean. This research is continued as part of my PhD project, where I am investigating new arising habitats and carbon pathways in the future Arctic Ocean. Tanvi [...] in physics and ocean technology to pursue a PhD in Indian ocean carbon dynamics to analyse the changes in atmospheric CO 2 and associated ocean carbon chemistry in the North Indian Ocean using observation-based [...] examined the decadal variability of the carbon cycle in the Indian Ocean region. For the Ph.D. I am doing Ocean Biogeochemical Modeling for Ocean Alkalinity Enhancement in deep and bottom water formation regions

m at Gakkel Ridge of the Central Arctic. Such integrated studies of ultraslow oceanic spreading zones are rare, because the most extensive of these systems, the Arctic Gakkel Ridge and the Southwest Indian

y in the Arctic Ocean may transition from being predominantly light-controlled to being more nutrient-controlled. Also, the phenomenon of ocean acidification is most pronounced in the Arctic due to the [...] temporal scales of phyoplankton activity (Graphic: Phytochange) Focus – The Arctic is warming faster than any other oceanic region of the planet and its sea-ice cover is declining faster than models predict [...] e Lüdeling) FRAM - Our Work group is also involved in the context of the Arctic long-term observatory FRAM (Frontiers of Arctic Monitoring) . Based on innovative developments as well as approved technologies