record levels found in Arctic sea ice Find out more > BBC | 24.04.2018 Record concentration of microplastics found in Arctic Find out more > Dialogue & Lectures Policy advice Arctic Monitoring & Assessment [...] in the oceans is a current and growing problem, since every year several million metric tons of plastic find their way from the land to the water. Plastic particles are broken down in the ocean by sunlight [...] Climate change is especially putting the polar regions under pressure. Environmental changes in the Arctic result primarily from the decline in the area of sea ice and the decrease in its thickness, since

Arctic sea ice: a chain reaction Dr Thomas Krumpen, sea ice physicist and expert for satellite analyses at the Alfred Wegener Institute. Sea ice Application of satellite data Arctic Ocean IceBird For the [...] AWI are exploring the thickness and surface conditions of Arctic sea ice. We measure both properties in several key regions of the Arctic Ocean with autonomous buoys, on helicopter and aircraft measurement [...] important reference data set on the development of Arctic sea-ice cover worldwide. Those surveys indicate that the thickness of sea ice leaving the Arctic Ocean towards the North Atlantic has steadily decreased

Flores, marine biologist at the Alfred Wegener Institute. Biodiversity Arctic Ocean Life in the Polar Sea The sea-ice regions of the Arctic and Antarctic are among the most rapidly changing habitats on Earth [...] Understand the Warming Arctic Find out more > Dialogue & Lectures Webinar | 28.05.2020 ARICE, The Ice and The Fish: An Arctic Expedition APECS, ARICE Science Lecture | 31.01.2020 Arctic Sea Ice Ecology MOSAiC [...] Circumpolar Biodiversity Monitoring Program (CBMP) of the Conservation of Arctic Flora and Fauna (CAFF) initiative of the Arctic Council National representative

environmental conditions for marine life. She has participated in expeditions to the Arctic and Antarctic alike, and coupled ocean and Earth system models are now her primary research tool. She is a member of [...] carbon budget and ocean carbon research. With regard to the annual carbon budgets prepared by the Global Carbon Project, she is responsible for coordinating and analysing estimates the ocean carbon sink. Dr [...] dissertation on the marine sciences for her doctoral thesis, entitled “Processes in the Southern Ocean carbon cycle: Dissolution of car- bonate sediments and inter-annual variability of carbon fluxes”

attention to the impacts of climate change on ocean life, and from 2015 to 2017 worked on a major project funded by the federal govern- ment to investigate ocean acidification (BioAcid). When this project [...] concerning the ecology and composition of communities living on the floor of the North Sea and Southern Ocean, conducted by the Comparative Ecosystem Research Section of the Alfred Wegener Institute (AWI) in [...] 2000 and 2015 she participated in several expeditions to the North Sea, as well as the Antarctic and Arctic, most of which were ship-based. In 2014 and 2015 she worked with researchers at the University of

the impact of the Arctic on global climate. In addition to this major campaign, numerous field work activities take place every year in the mainland Arctic and in the adjacent Arctic Ocean. The coast plays [...] drifting Observatory for the Study of Arctic Climate ). From fall 2019 to fall 2020, the German research icebreaker POLARSTERN drifted frozen through the Arctic Ocean. The data collected will be valuable [...] Ecological processes in the terrestrial Arctic: Prof. Dr. Ulrike Herzschuh • Permafrost processes in the Arctic: Prof. Dr. Guido Grosse • Atmospheric processes in the Arctic: Prof. Dr. Markus Rex AWI Research

are molecules once formed by plants or animals, which can still be found today in sediments on the ocean floor. Mollenhauer was born in Frankfurt am Main in 1972, and from 1993 to 1999 studied Geology and [...] Mollenhauer has taken part in numerous expe- ditions at sea and to the permafrost regions of the Arctic. Since 2006, she is head of a research group at the Alfred Wegener Institute, in which she and her

analyses is to determine how much carbon the ocean removed from the atmosphere and stored in its depths in the past. The permanently frozen soils of the Arctic store tremendous amounts of carbon in the form [...] not consumed by marine animals, including dead marine microorganisms, material transported to the oceans by rivers –the particles that trickle down are deposited layer by layer at depth. Ultimately, a unique [...] deposited on the seafloor, leaving clues that enable the AWI geoscientists not only to reconstruct the Arctic’s climate history, but also to understand the role of thawing permafrost in past climate changes.

thresholds in the Southern Ocean can lead to an irreversible collapse of the West-Antarctic Ice Sheet. This would result in a sea level rise of several meters, influence the global ocean circulation and would [...] next hundreds of years. To consider the feedback mechanisms between shelf ice, ocean, and atmosphere, coupled ice sheet – ocean – atmosphere simulations are computed for the first time in a high horizontal [...] performed by our section members in the past. NAtMAP Amending North Atlantic Model Biases to Improve Arctic Predictions NAtMAP is an European consortium project under the ERA-Net.RUS funding scheme, with partners

focusing on questions of the impact of climate change on the biogeochemistry and biodiversity of the Arctic Ocean. She has been awarded the ERC Advanced Grant of the European Research Council for her work, as [...] institutes, she established and headed a research group for the study of microbial habitats in the ocean at the Max Planck Institute for Marine Microbiology from 2003 to 2008. Since the end of 2008, she