Long-Term Ecological Research in the deep Arctic Ocean The marine Arctic has been an integral part of the history of our planet over the past 130 million years and contributes [...] transition zone between the northern North Atlantic and the central Arctic Ocean, the Alfred Wegener Institute established the LTER (Long-Term Ecological Research) observatory HAUSGARTEN in the Fram Strait [...] ARK-XVIII/1 2001 Polarstern ARK-XVII/2 2001 L'Atalante Arctic Ocean 2001 2000 Polarstern ARK-XVI/2 1999 Polarstern ARK-XV/1

the energy and momentum exchanges across the atmosphere-ice-ocean interfaces and actively contributes to the sea ice mass balance. The Antarctic sea ice is characterized by a year-round snow cover [...] and oceanic processes on the evolution of Antarctic sea ice and its role within the climate system From pole to pole Cross-pole process [...] signatures of snow, sea ice, and surface seawater in the central Arctic Ocean during the MOSAiC expedition, Elementa: Science of the Anthropocene, 12, doi.org/10.1525/elementa.2023.00078 , 2024.

M. B. (2025) Transparent Exopolymer Particles in the Surface Arctic Ocean by Ocean Biogeochemistry Modeling. Department of Physics and Engineering, University Bremen, Bremen, Germany, Bremen, 160 p. [...] Machine Learning Based Monitoring of Phytoplankton Groups in the Arctic Ocean . Department of Physics and Engineering, University Bremen, Bremen, Germany, Bremen, 12 Sep 2024 Di Bella D. (2024) Calculation [...] , V. (2021) Loading of coloured dissolved organic matter in the Arctic Mediterranean Sea and its effects on the ocean heat budget, Ph.D. thesis, University of Bremen, DOI: 10.26092/elib/646. 2016

(2020) Challenges to monitor biogeochemistry from space in the Arctic Ocean and next steps towards its comprehensive monitoring. European Polar Science Week 2020. Virtual Internagtional Conference. 30 [...] Community Structure from Ocean Colour: Methods, Validation, Intercomparisons and Applications”, International Ocean Color Science (IOCS) Meeting, Darmstadt, 8 May [...] , P. P., Heim, B., Bracher, A. (2008). The Eroding Coast, MORSE Arctic Coastal Initiative of the Canadian and European Space Agencies (CSA, ESA), Institute of Ocean Technology, St. John’s, Newfoundland

Sathyendranath, S., Kutser, T., eds. (2020). Colour and Light in the Ocean. Lausanne: Frontiers Media SA. doi: 10.3389/978-2-88963-421-7 2018 Heim B., Juhls B., Abramova E., Bracher A ., Doerffer R., [...] R., hellmann S., Kraberg A., Martynov, Overduin P. (2019) Ocean Colour Remote Sensing in the Laptev Sea. In: Barale V., Gade M. (eds) Remote Sensing of the Asian Seas. Springer, Cham, pp123-138; [...] 4A2, Canada., International Ocean-Colour Coordinating Group, 156 p., ISBN: ISSN: 1098-6030 . 2012 Blum M . Rozanov V., Dinter T., Bracher A. (2012) Evaluation of the

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

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

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

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

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,