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

environmental changes in a the transition zone between the northern North Atlantic and the central Arctic Ocean, and to determine the factors controlling deep-sea biodiversity, the Alfred Wegener Institute [...] knowledge about biodiversity in the deep sea has started to increase and today we know that the deep ocean on planet Earth hosts an enormous diverse deep-seabed life. Biodiversity in the deep sea depends among [...] strong seasonal forcing, the accelerating rate of recent climate change challenges the resilience of Arctic life. The entire system is likely to be severely affected by changing ice and water conditions, varying

within the Arctic affect processes beyond, like deep-water formation and overturning in the (North) Atlantic Ocean. Friederike Pollmann | Ekaterina Bagaeva | Gabriela Amaral Wasielsky Arctic Gates The ARCTIC [...] ARCTIC GATES project investigates whether reducing the export of sea ice through key Arctic gateways, particularly the Fram and Nares Straits, could slow the loss of Arctic sea ice. Using state-of-the-art [...] Alfred-Wegener-Institut) OceanSOS OceanSOS is a transdisciplinary Horizon Europe research programme striving to advance European leadership in global efforts to maintain ocean integrity and health in an

the improved physical representation of polar air-sea ice-ocean interaction on the variability and changes of Arctic atmospheric circulation, Arctic sea ice and mid-latitude atmospheric circulation. Therefore [...] regions Arctic and Russia. Our project will strongly enhance the climate models capability to represent Arctic processes that are known to be critical for simulating linkages between the Arctic and mid [...] navigability of Northern sea route over the Arctic Ocean, wildfires and changes in vegetation characteristics over Russia. Milestone M4.1 Implementation of improved ocean wave-ice interaction model Milestone

in the Arctic and Antarctic, monitoring ocean currents at our deep-sea moorings in the Fram Strait and the Weddell Sea, and the data from our sea-ice buoys drifting through the Antarctic and Arctic Oceans [...] planet’s hotspots As polar researchers, we have the privilege of working in unique habitats. The Arctic can be breathtaking: where else can you see the rugged glacial fjords of Greenland and Spitsbergen [...] striding across ice floes, or the stark contrasts produced by warm waters from the subtropics and Arctic cold fronts? Antarctic expeditions on board the research icebreaker Polarstern take us to the stormy

(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!).

atmosphere and the ocean. The climate of the Arctic is subject to visible changes and the sea-ice albedo feedback mechanism acts as an amplifier of climate change. The observed decrease of Arctic summer sea ice [...] coupled ice-ocean-atmosphere system and a growing radiative forcing associated with rising concentrations of atmospheric greenhouse gases. The attribution of ongoing changes in the Arctic and Antarctic [...] of key processes in the Arctic and Antarctic climate system. Major gaps and uncertainties exist in the knowledge of processes governing e .g. the build-up of aerosols in the Arctic and its role for climate

Earth System Models We simulate Arctic sea ice for the past, current and possible future climates, with regional sea ice-ocean and Earth System Models. Regional ocean-sea ice models have the advantage [...] al., 2014 ). We test those parameterizations in regional sea ice ocean models such as NAOSIM ( Köberle and Gerdes, 2003 ) and an Arctic model set-up of the MITgcm ( Castro-Morales et al., 2014 ). After [...] usually much coarser spatially resolved but have the advantage of simulating the atmosphere model, the ocean and the sea-ice simultaneously. Earth System Models (ESMs) additionally include vegetation and chemistry

Nordic Seas Southern Ocean - Overturning Circulation Ocean-Ice Shelf Interaction Southern Ocean climate interactions (SO-Klim) Ocean Acoustics Group - AWI OZA Projects - AWI OZA Acoustic Ecology - AWI OZA Infrared [...] Focus Synera Arctic Pulse Antarctica InSync MOSAiC Expedition UN Decade of Ocean Science UN Plastics Treaty UN Ocean Treaty UN Climate Change Conference Expedition Ships Research Vessel and Icebreaker [...] LTER Observatory HAUSGARTEN FRAM Ocean Observing System Publications Data Geosciences Geophysics Research Focus Formation of the Arctic Basin Ultraslow spreading mid-ocean ridges OBS studies Hydrothermal

in different Arctic environments. Contact: A. Boetius, C. Bienhold, M. Wietz Literature: Cardozo Mino, M., Fadeev, E., Salman-Carvalho, V., Boetius, A. (2021). Spatial Distribution of Arctic Bacterioplankton [...] Effects of Ice-Algal Aggregate Export on the Connectivity of Bacterial Communities in the Central Arctic Ocean. Frontiers in Microbiology 9. doi: 10.3389/fmicb.2018.01035 Hoffmann, K., Hassenrück, C., Sal [...] Boetius, A. (2014): Composition, Buoyancy Regulation and Fate of Ice Algal Aggregates in the Central Arctic Ocean. PLOS One 9(9): e107452. doi:10.1371/journal.pone.0107452 Jacob, M., Soltwedel, T., Boetius, A