Chart of the Oceans (GEBCO) , the International Bathymetric Chart of the Arctic Ocean (IBCAO) ,the International Bathymetric Chart of the Southern Ocean (IBCSO) , and the Southwest Indian Ocean Bathymetric [...] world’s oceans by 2030, and hosts the Seabed 2030 Southern Ocean Regional Center (SORC) . SORC’s and IBCSO’ s responsibility is to produce the best possible authoritative map of the Southern Ocean, the South [...] Global and regional bathymetric models IBSCO (International Bathymetric Chart of the Southern Ocean) (Graphic: Alfred-Wegener-Institut / IBSCO v2, Dorschel et al., 2022) IBSCO v2 Datenabdeckung (Graphic:

icebreaker Polarstern will drift through the Arctic Ocean for an entire year. During the MOSAiC expedition, experts from 17 nations will investigate the Central Arctic throughout the year. They will overwinter [...] willing to become trapped in the ice of the Arctic Ocean for an entire year? No other region of the Earth has warmed as rapidly over the past few decades as the Arctic; in essence, it is the epicentre of global [...] climate system. What do you hope to accomplish? The Arctic is closely linked to the weather in our latitudes. We can already see climate changes in the Arctic that are shaping our weather and climate. And at

Markus Rex led the MOSAiC-Expedition , the largest Arctic research expedition of our time, during which the research vessel “Polarstern” was frozen in the Arctic ice for a year to study the effects of climate [...] climate change. Scientists from 20 nations collected valuable data about the Arctic, which is crucial for understanding the future climate change. In the SR3 podcast “Aus dem Leben”, Markus Rex reports on his [...] findings of this unique mission. The data obtained provides important insights into the dynamics of the Arctic climate and its global impact. SR3 Podcast: Die größte Arktis-Mission aller Zeiten Christian Haas

Grant Changes of water isotopes in Arctic Sea ice, Ocean, and atMosphere (CiASOM) (2021-2024) The main goal of the Changes of water isotopes in Arctic Sea ice, Ocean, and atMosphere (CiASOM) project is [...] this end, caves and permafrost exposure will be studied in East Siberia along a transect from the Arctic Ocean to the Lake Baikal. The objectives of the project are to: (i) Reconstruct (a) mean interglacial [...] to provide a comprehensive description of the present-day Arctic water cycle and related key exchange processes between the atmosphere, ocean, and sea ice, using both instrumental data and climate simulations

change. The towed high resolution camera system OFOS (Ocean Floor Observing System) is used to index megafauna and plastic litter on the Arctic sea floor. ROV To observe the sea-ice system from below [...] Light is important for the surface energy budget and the biological activity in the ice & the upper ocean. Radiation stations determine the fraction of incident light which is reflected by the surface or [...] novelty in under-ice robotics. BioOptical Platform Sinking particles control CO2 transport to the deep ocean. AWI and MARUM researchers developed the BioOptical Platform BOP, which combines a camera system and

on past ocean and climate conditions. The aim is to reconstruct ocean-atmosphere-cryosphere interactions, quantify their effects on atmospheric CO 2 levels and decipher the high-latitude oceans’ role in [...] Effect in the Arctic Ecosystem - is to assess the consequences of the decline in silicic acid concentrations in the inflow of North Atlantic water into the Eurasian Arctic on the Arctic marine ecosystem [...] and biogeochemical processes in the ocean from surface to depth are essential to understand these interactions. Key parameters in this complex system comprise oceanic pH, carbonate ion chemistry, as well

on past ocean and climate conditions. The aim is to reconstruct ocean-atmosphere-cryosphere interactions, quantify their effects on atmospheric CO 2 levels and decipher the high-latitude oceans’ role in [...] Effect in the Arctic Ecosystem - is to assess the consequences of the decline in silicic acid concentrations in the inflow of North Atlantic water into the Eurasian Arctic on the Arctic marine ecosystem [...] and biogeochemical processes in the ocean from surface to depth are essential to understand these interactions. Key parameters in this complex system comprise oceanic pH, carbonate ion chemistry, as well

this region, ocean currents from lower latitudes impact the sea water temperature, and the ocean is a heat storage affecting the local climate. Although Ny-Ålesund is situated in the high Arctic (78.9°N, 11 [...] Long Term Observations Surface Meteorology in the Arctic (AWIPEV Research Base in Ny-Ålesund, Spitsbergen) Ny-Ålesund from above. (Photo: Alfred Wegener Institut) Ny-Ålesund is located on a fjord at the [...] risen by 1.1° C per decade, while the strongest warming is observed during the winter season. The 'Arctic Amplification' of global warming is analysed under various aspects by measurements and model simulations

Consistency and Challenges in the Ocean Carbon Sink Estimate for the Global Carbon Budget. Front. Mar. Sci. 7, 571720. doi.org/10.3389/fmars.2020.571720 •[Arctic high-resolution] Schourup-Kristensen [...] nsen, V., Wekerle, C., Wolf-Gladrow, D., Völker, C. (2018): Arctic Ocean biogeochemistry in the high resolution FESOM 1.4-REcoM2 model, Progress in Oceanography, 168, 65-81, doi:10.1016/j.pocean.2018.09 [...] macrozooplankton, Karakuş et al., 2022 ), and to include the sensitivity of phytoplankton growth to ocean acidification ( Seifert et al., 2022 ). Main REcoM references (chronological order): •[3 phytoplankton

/ghgemissions/gases/ch4.html. 21 The Arctic Ocean: the variability of the deep and bottom waters Senam Tsei, Ursula Schauer, Wilken-Jon von Appen The Arctic Ocean is one of the Mediterranean seas bordered [...] bordered by the North America, Europe and Russia. The Arctic Ocean is connected to the Atlantic Ocean (through the sides of Greenland) and the Pacific Ocean via the Bering Strait (Talley et al., 2011). This [...] the German Bight Senam Kofi Tsei: The Arctic Ocean: the variability of the deep waters 5 6 7 Inhalt Molecular species delimitation and distribution of Southern Ocean mysids in the Western Antarctic. ...