Rasmussen, M, & Szesciorka, A (2026, Februar 23). From Concept to Collaboration: The Arctic Acoustic Observing Network. Arctic Observing Summit (AOS), Aarhus, Denmark. doi.org/10.5281/zenodo.18748965 [...] The Perennial Acoustic Observatory in the Antarctic Ocean—Real-Time Eavesdropping on the Antarctic Underwater Soundscape. In: Listening in the Ocean, edited by W. W. L. Au and M. O. Lammers, pp. 207-219 [...] JL, Van Opzeeland IC, Van Parijs SM, Jones J (2016). Pinniped Sounds in the Polar Oceans. In: Listening in the Ocean, edited by W. W. L. Au and M. O. Lammers, pp. 257-308, Springer New York, New York

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 [...] 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 [...] n in expeditions to the Arctic and Antarctic as a member of the oceanographic mooring team. Current PhD Students Laura Gutiérrez I came from Chile to pursue my PhD in the Ocean Acoustics Lab. I am a marine

Grant Changes of water isotopes in Arctic Sea ice, Ocean, and atMosphere (CiASOM) (2021-2024) The main goal of the Changes of water isotopes in Arctic Sea ice, Ocean, and atMosphere (CiASOM) project is [...] this end, caves and permafrost exposure will be studied in East Siberia along a transect from the Arctic Ocean to the Lake Baikal. The objectives of the project are to: (i) Reconstruct (a) mean interglacial [...] to provide a comprehensive description of the present-day Arctic water cycle and related key exchange processes between the atmosphere, ocean, and sea ice, using both instrumental data and climate simulations

Climate Change assesses the state of the oceans with Prof. Dr. Björn Rost Storing heat, absorbing CO₂, and providing habitats for countless species - yet our oceans and coastal ecosystems are increasingly [...] reveal about the state of the oceans? And how are these scientific assessments actually derived? Prof. Dr. Björn Rost, one of the lead authors of the IPCC chapter on oceans and coastal ecosystems, discusses [...] Times' reports! Arctic climate change and the consequences for microalgae Contribution to the scientific expert reports section on the website of Scientific Year 2016/17 Resistant Arctic microalgae (De

marine biogeochemical model REcoM. When embedded into a large-scale ocean circulation model, we can project the future of the oceanic carbon sink, the conditions for marine life, and put a specific focus [...] preserved in biological archives such as foraminiferal shells or Arctic coralline algae, the group works to recover information about past ocean and climate conditions. In close collaboration with palaeoclimate [...] the three principal AWI divisions: Bio, Geo and Climate. Phytoplankton Ecophysiology Proxy Research Ocean Biogeochemical Modelling

Eurasian Basin of the Arctic Ocean using Imaging Flow Cytometry and PDMPO Judith Matz, M.Sc. Thesis title: Investigation of new and regenerated primary production during summer in Arctic Fjords using 13C and [...] Research Tatiana M. Torres (Photo: Gine Maccanti) Tatiana M. Torres, J.D./D.C.L/M.Sc. Project Manager of Ocean Gardens Technicians Erika Allhusen Lorenz Eckardt (Photo: Lorenz Eckardt) Lorenz Eckardt lorenzjohann [...] Antonia Thielecke, M.Sc. Antonia Thielecke (Photo: Ruben Schulte-Hillen) Thesis Title: Response of Arctic phytoplankton to declining silicic acid Project: SiDe-EFFECT Katharina (Katha) Paetz, M.Sc. Katha

you have a window into ocean temperature at a moment in the past. Another example is the isotopic composition of boron, which reflects the pH of ancient seawater – a measure of ocean acidity that is closely [...] process by which warmer, saltier water masses from the Atlantic are pushing further north into the Arctic Ocean through the Fram Strait. This is a recent and ongoing phenomenon, and understanding its pace and [...] reconstruct those past episodes – how fast things changed, what forces drove them, how ice sheets and oceans responded – we would gain something invaluable: a longer perspective on what is possible. But how

nutrients and carbonate chemistry parameters in the Fram Strait and the Central Arctic Ocean. To monitor such parameters in the ocean, it is common practice to analyze discrete water samples obtained e.g. by [...] productivity, strength of the biological carbon pump) are linked in the present-day and future Arctic ocean, as well as to which extent this relationship is driven by differences between functional groups [...] and where nutrients and CO 2 are distributed in the ocean, which has implications for primary and bacterial production and CO 2 uptake by the ocean. In order to understand how such biogeochemical cycles

factors such as warming, nutrient deficiency or ocean acidification, by focusing on one of the most sensitive areas on Earth, the subarctic and Arctic Ocean. Thereby, we contribute to the Helmholtz research [...] greenhouse gas, rising CO 2 causes ocean warming: temperatures of the surface waters have already increased by 1.1°C on average, while some regions like the Arctic Ocean changing fastest (IPCC 2022). The [...] anthropogenic CO 2 is taken up by the ocean, concentrations of CO2 and bicarbonate increase while the concentration of carbonate ions and the pH decrease, also known as 'Ocean Acidification'. Just like warming

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