production. In addition, ocean warming is leading to changes in the winter mixed layer in the North Atlantic, which has reduced the amount of silica entering the Arctic Ocean in recent decades. This will [...] the consequences of silica decline for the Arctic marine ecosystem and the mechanisms responsible. To understand how climate change affects the Arctic Ocean, we will combine novel and classical approaches [...] Group Silicic acid Decline Effect on Marine Arctic Ecosystems SideEFFECT (Graphic: Mar Fernández-Méndez) Human-induced climate change is altering the ocean on a previously unimaginable scale. One of the

the Arctic environment? What changed in the Arctic over the last decades? What is permafrost? How does thawing permafrost affect the Arctic environment? How does thawing permafrost affect Arctic infr [...] explore the conflict of interests of different Arctic stakeholders. Lesson Plan Permafrost in the Arctic Living in the wild North The Permafrost Risk The Ocean Race Summit Dr. Rebecca Rolph was an invited [...] all-hands-on-deck meeting at the Ocean’s Race, an organization holds sailing races around the world. The Ocean’s Race has a growing interest in promoting sustainability and ocean conservation practices, and

German Arctic Office The Arctic has become a key area where changes may raise complex sociopolitical issues of global importance. The development of the Arctic will affect Germany, Europe and the whole [...] working in the Arctic for more than 30 years. It is one of the few institutions worldwide with long-term interdisciplinary scientific research the northern polar region and the Arctic Ocean - from the seabed [...] in the Arctic Region, and informs German stakeholders from science, politics and industry with consitent information from the global Arctic research community. Forums and Events The German Arctic Office

matter within the rivers and oceans would allow to better assess the export, transformation and fate of tDOM (the largest fraction of dissolved carbon in the Arctic) in the ocean. Colored or chromophoric dissolved [...] supplied by Arctic rivers, which account for more than 10% of the total riverine and terrestrial organic carbon into the global ocean waters (Opshal et al., 1999; Benner et al., 2004). Most of the Arctic outflow [...] outflow and, as a consequence, the total carbon mobilized into the Arctic Ocean, leave the Arctic basin via the Fram Srait, following the East Greenland Current (EGC) and through the Davis Strait within the

more dynamic Arctic sea ice and larger open ocean areas increase the complexity of accurately predicting the transport pathways and impacts of various pollutants in the Arctic environment. These pollutants [...] project we will simulate the oceanic advection of pollutants from their sources with a global version of the sea-ice-ocean model FESOM2 with about 7 km spatial resolution in the Arctic and Nordic Seas. Atmospheric [...] relevant to Arctic ecosystems. . The sea ice-ocean model FESOM2 will be coupled with the atmospheric chemistry transport model DEHM (Danish Eulerian Hemispheric Model), thus connecting the ocean and atmospheric

Changes in the circulation freshwater between Arctic Ocean and subpolar North Atlantic In RACE we study the variability of the freshwater storage in the Arctic Ocean and the subpolar North Atlantic. We use [...] observations and model simulations of the ocean and the sea ice to understand the underlying processes. Here you find the project website . Contact: Dr. Benjamin Rabe (Phys. Oceanography) Prof. Dr. Rüdiger

biogeochemical processes within the Arctic Ocean, as well as how these are linked to the Atlantic Ocean. AWI scientists are developing the world’s first multi- resolution Ocean General Circulation Biogeochemical [...] built up. Data assimilation into coupled ecosystem- ocean-ice models will enable the identification of phytoplankton variability and trends of surface-ocean processes and their bio-physical coupling. Remote [...] Sensing (Graphic: Alfred-Wegener-Institut) Modelling To predict upcoming changes in global ocean circulation, ocean productivity, and the consequences for the global climate system, it is crucial to improve

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. The investigations [...] ons will focus on the differences in the melting of various sea ice types – representing the Arctic of the past decades, the present and the future. A parallel airborne campaign will complement the me

sheet Svalbard Germany in Arctic research The collaborative framework of AWI’s Antarctic research Marine Protected Area in the Weddell Sea Arctic Council Shipping in the Arctic Arctic and Antarctic – more [...] similarities? Arctic Governance Tourismus in Polar Regions EU Engagement in the Arctic Environmental Protection in the Polar Regions Knowledge on fish and their ecology in the Arctic Ocean The Greenland

2025 Zeising 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 [...] pigments in the changing Arctic Ocean, Ph.D. thesis, University of Bremen, DOI: 10.26092/elib/6052. 2021 Oelker J. (2021) Suitability of atmospheric satellite sensors for ocean applicaitons . PhD Thesis [...] (2024) Marine Big Data-driven Machine Learning Based Monitoring of Phytoplankton Groups in the Arctic Ocean . Department of Physics and Engineering, University Bremen, Bremen, Germany, Bremen, 12 Sep 2024