European coastline. The project belongs to the EU Mission Restore our Ocean and Waters, and is a member of the Lighthouse for the Arctic and Atlantic Basin. Innovative solutions for marine restoration will [...] will be demonstrated in five different environments across a latitudinal gradient, from the high-Arctic Svalbard at 79°N to the Madeira archipelago at 33°N. CLIMAREST will be developed on a latitudinal gradient

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

is to characterize the key processes that determine the observed sea ice, ocean, and ecosystem changes in the Central Arctic Ocean during meltseason. The process studies and continuous observations of CONTRASTS [...] (Graphic: Alfred-Wegener-Institut) Regime 1: Future Arctic (Photo: Marcel Nicolaus) Regime 2: Present Arctic (Photo: Marcel Nicolaus) Regime 3: Past Arctic (Photo: Marcel Nicolaus) Objectives The overall objective [...] is to characterize the key processes that determine the observed sea ice, ocean, and ecosystem changes in the Central Arctic Ocean during melt season. We will investigate the causes and consequences of

Projects AFIN: Antarctic Fast Ice Network Changing Arctic Ocean SIN'XS-Sea Ice thickness INtercomparison eXerciSe Arctic Passion Tara Polar Station ESA: Climate Change Initiative MOSAiC S3MPC-Sentinel-3 [...] -3 Altimetry Mission Performance ArcSolution SNOWflAke IceBird Transdrift: Arctic Ice-Ocean-Interaction CONTRASTS

On 29 May 2025, the Polarstern research vessel set sail from Bremerhaven for the Arctic. The destination of the 95 expedition participants, led by the Alfred Wegener Institute, is the AWI Hausgarten, a [...] y situated between Svalbard and Greenland. There they will investigate how the ecosystems of the Arctic deep sea are reacting to changing environmental conditions as a result of rapid climate change. The [...] June, will focus on benthic and plankton communities in the open water and physical changes in the ocean.

melt events on stable oxygen isotope records from the Arctic. Due to rising temperatures over recent decades, the frequency of melt events in Arctic regions has increased. However, current models describing [...] Resolution in the harbour of Fremantle before International Ocean Discovery Program Exp. 356 (Photo: Jeroen Groeneveld) Reconstructing past ocean water conditions using geochemistry in foraminifera I am a [...] e structure of climate change) and the RECORDER research unit of the cluster of excellence: “The Ocean Floor – Earth’s Uncharted Interface”. It is joint effort of the Earth System Diagnostics group of

unique and fragile ecosystems Observe Arctic fish stocks and the impact of the arrival of more temperate species Life in a frozen ocean: analogues to other ocean planets and bioprospecting with new potential [...] drift expeditions between 2025 and 2045. During these 20 years, 10 year-long drift studies in the Arctic Ocean are planned. The work is based on the collaboration of an international and interdisciplinary [...] Station was baptized in Lorient, France, in April 2025 and will realize the first drift in the Arctic Ocean starting in summer 2026. Before this, different test campaigns are planned, including a shorter

look beyond the moorings and the Hausgarten into the Norwegian Sea and the Arctic Ocean. The Fram Strait connects the Arctic Ocean and the North Atlantic. Unlike the shallow water conjunction to the Pacific [...] Arctic long-term observatory FRAM 5,000 metres seawater plus ice separate the seafloor from boisterous life in the upper water layers of the Arctic Ocean. Additionally there is a strong change between [...] deep and thus the main region for exchange of water between the Arctic and the global oceans. Due to its importance for the global ocean circulation the Fram Strait has long since been a focus area of

fluxes in ice covered oceans (Photo: Stefanie Arndt, AWI) The radiation budget of sea ice dominates the sea-ice energy balance and the exchange of energy between the atmosphere and the ocean in ice-covered regions [...] comprehensive data sets from remote regions of the Arctic and Antarctic. Contact: Dr. Marcel Nicolaus Dr. Ran Tao Surface albedo of ice-covered regions in the Arctic and Antarctic mostly depends on the thickness [...] to the atmosphere (albedo), that is absorbed by snow and sea ice, ant that is transmitted into the ocean (transmittance). We perform various radiation measurements during our field campaigns using Polarstern

Siberian river systems into the central Arctic and the North Atlantic. This material affects Arctic biogeochemistry and ecosystems, while the fresh water itself alters ocean circulation. The Alfred Wegener Institute [...] suspended matter from the Siberian shelves across the central Arctic towards the Fram Strait channel, which connects to the Nordic Seas. This cross-Arctic flow influences the delivery of both natural substances [...] known as the Transpolar Draft, operates. It also uncovers the various factors controlling this major Arctic surface current, including warmer temperatures which could increase the spread of human-made pollutants