Polynias

away from the coast (offshore). They have a strong influence on the heat and energy exchange between ocean and atmosphere since they are a gap in the insulating ice cover. In the polynias, water is cooled [...] regions Sea Ice Drift and Deformation Drift and deformation von sea ices Permafrost Charting the Arctic Tundra Ice Shelves and Icebergs Mass loss of the antarctic ice sheet Snow Accumulation Retrieval [...] and analysis of data from different satellite sensors as a contribution to polynia research in the Arctic and Antarctic) is funded by the Federal Ministry for Economic Affairs and Energy.

Shelf Ice and Icebergs

calved from an ice shelf or glacier, it drifted, mainly forced by the wind and the ocean currents, through the ocean – sometimes surrounded by open water, sometimes surrounded by sea ice. The automated [...] polar regions Sea Ice Drift and Deformation Drift and deformation of sea ice Permafrost Charting the Arctic Tundra Polynias Observation of coastal polynias Snow Accumulation Retrieval of snow accumulation

Research Focus

Formation of the Arctic Basin Polarstern for geophysics in the Arctic Ocean Research projects on the formation of the Arctic Ocean Connection of the Arctic Ocean to the World Oceans What have we learned [...] learned about the connection of the Arctic Ocean to the other oceans? Development of the North Atlantic Deepwater and its precursors What do we know about the development of North Atlantic Deepwater and its [...] its precursors? Follow this link Gateways of the Southern Ocean What was the effect of the opening of the gateways of the Southern Ocean? Lakes as a climate archives Old lake-level terraces at the current

Forecast of sea ice properties

well as ocean observations (sea-surface temperature) to optimize the initial state of the sea ice-ocean system for short-term (up to 6 days) forecasts. ICEDAS was build around the sea ice-ocean model NAOSIM [...] predict the Arctic summer minimum sea-ice extent in September from the beginning of the melting season in May/June on. AWI is participating in the SIO since 2008 by using a coupled sea-ice ocean model (NAOSIM) [...] However, this approach neglects all feedback of the sea ice-ocean system onto the atmosphere. This year (2015) the initial state of the sea ice-ocean model has been constrained by sea-ice observations in a

Ocean_and_Climate_Change_12Oct2020.pdf

shifted location • Arctic Ocean: • Increased coastline erosion – e.g. village relocation • Cultural change – subsistence lifestyle facing problems Changes in the ocean impact people Arctic Ocean and extreme [...] weather Impacts on people J. Francis What’s happening in the Arctic Ocean? • Warmer air reduces air column density, shifting wind fields Arctic Ocean and extreme mid-latitude weather Impacts on people J. Francis [...] PowerPoint Presentation Ocean and climate change Dr. Rebecca Rolph Alfred Wegener Institute for Polar and Marine Research Potsdam, Germany • How the ocean regulates climate • Changes in the ocean • What these changes

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Lesson_Plan_Permafrost_in_the_Arctic_Nov2020.pdf

North. Arctic Council https://arctic-council.org/en/ The Arctic Council is the leading intergovernmental forum promoting cooperation, coordination and interaction among the Arctic States, Arctic Indigenous [...] the Arctic play in the Earth system? What characterizes the Arctic environment? What changed in the Arctic over the last decades? What is permafrost? How does thawing permafrost affect the Arctic environment [...] permafrost connects to the Arctic climate explain how the Arctic residents and economy depend on the Arctic environment the relationship between the Arctic environment and especially permafrost assess the

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Angelika_Humbert_AWI-Expert_UK.pdf

slides, and how lakes form on and beneath the ice sheets. She also participates in expeditions to the Arctic and Antarctic. For her research she uses the AWI’s two polar research planes, the data from which [...] mechanical properties, which have to be included in models, but above all because its direct ties to the ocean and the atmosphere result in a multitude of interactions. Professor Angelika Humbert T: +49 (471)

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DOM

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

PPR_Arctic

remote sensing data alone, as the satellite ocean color algorithms are known to perform poorly at polar latitudes even if developed explicitly for the Arctic waters. Gaps in satellite data, which occur [...] for satellite applications. Ocean Science, 9 (2), pp. 431-445. doi: 10.5194/os-9-431-2013 , hdl:10013/epic.41331 Other references: Antoine, D. and A. Morel (1996). Oceanic primary production: I. Adaptation [...] PhD Thesis Alexandra Cherkasheva 2009-2014 Arctic phytoplankton today deserve special attention as they are already living in waters with most prominent climate change effect, which are shifting towards

Detaillierte Beschreibung

each day for 1 year) - self contained vehicel (internal data storage to avoid problems with ice in arctic regions) - measure C,T and p with precision high enough to indicate convective events in polar regions [...] is placed onto the vehicle at the time a cast shall start, and it is removed when it reaches the ocean bottom. The vehicle itself is balanced to posess some buoyancy and to swim up by itself, finally reaching