in the world. The Polarstern operates an average of 305 days a year, typically cruising in the Antarctic from November to March and pursuing research in the Arctic during the summer months. In the process [...] Research ice breaker Polarstern An Icon of German Polar Research The Research Vessel Polarstern is the most important resource for German polar research and the flagship of the Alfred Wegener Institute. Commissioned [...] allow the researchers to take measurements and gather data outside of the area influenced by the ship. For example, the helicopters are used for observing whales and deploying equipment like the EM-Bird

societies around the world. Changes in the Southern Ocean may also impact the climate of other regions via atmospheric teleconnections. Antarctic climate variability arises as result of the tightly-coupled [...] ice covers much of the Southern Ocean. Antarctic sea ice plays an important role in strong feedback loops with the ocean and atmosphere. From the beginning of the satellite era in the late 1970s, Antarctic [...] for a large majority of global ocean heat and carbon uptake. Encircling the Antarctic continent, the Southern Ocean drives melt of the Antarctic ice sheet, which contains 60 m of potential global sea level

such as the icebreaker Polarstern , observatories, aircrafts, and satellites to capture the evolving dynamics of the ocean, atmosphere, sea ice, and ice sheets. At the same time, we push the boundaries [...] critical insights into the past, present, and future of our planet. In cooperation with our colleagues in the Bio- and Geosciences, our research extends to investigating the impact of climate change on marine [...] these processes – especially in the rapidly changing polar regions where the changes have far-reaching implications, such as global sea level rise – is at the heart of our research. We strive to understand

Appreciation of 50 Years of the Study of Oceans and Lakes. Bangor 18-22 March 2002 Talk - Hamm, C. (2002): Geometry and Material Properties of the Silicified Cell Walls of Planktonic Algae: The Technical [...] Design of Radial Framework Structures: The Case of Asterolampra. In: Block, P., Boller, G., DeWolf, C., Pauli, J., & Kaufmann, W. Eds.: Proceedings of the IASS 2024 Symposium; Redefining the Art of Structural [...] Decouple Ocean Carbon and Silicon Cycles in the Iron-limited Antarctic Circumpolar Current . Proceedings of the National Academy of Sciences of the United States of America . 110 (51). 20633-20638 Paper -

forms the basis for protecting the ice world at the southern end of the planet. And in 1991, the signatories ratified the Protocol on Environmental Protection to the Antarctic Treaty. It prohibits the commercial [...] (Photo: AWI/MARUM; University of Bremen) The unique fauna of the Antarctic From the emperor penguin to the Antarctic sear urchin, to the Antarctic krill – the deep south of our planet is home to many native [...] emperor penguins even brood their eggs on the ice. Further, the nursery of one of the most ecologically important fish species in the Southern Ocean is below the ice: the Antarctic silverfish, a staple for many

scientific attention in the past. Today, the water column structure of the SO largely prevents pronounced melting of the EAIS. This state may change if the position and strength of the Antarctic Circumpolar [...] focuses on recording the history of the position of the ACC and major SO fronts, the status of Antarctic Bottom Water (AABW) formation today and in the past, as well as a range of additional hydrographic [...] series of 3D-distributions in the water column of the Arctic Ocean. The selected stations are based on locations and variables that have been observed in the past. The quasi-synoptic survey of the CAO and

flow velocities of 5-10 cm s -1 for optimal nutrient and CO 2 exchange on the surface of the thalli, as well as for the reduction of growth of epiphyts. In strong currents, the thalli of macroalgae become [...] prolongs the on-growing by 4-8 months compared to the production of D. labrax in cages in the Mediterranean. Turbot The turbot, Scophthalmus maximus , is one of the most valuable food fish of the Northeast [...] escape through the mesh or other materials. Cod is one of the species with the highest rate of the escapees, which can have a negative impact on the wild population by cross-breeding. The extreme temperature

process understanding in the vertical snow column by using snow models Antarctic sea ice mass budget Quantification of the influence of the snowpack and its internal properties on the Antarctic sea ice mass [...] ( A friend or foe for the f uture Anta rctic s ea i c e mass budget? ). fAntasie aims to better understand the temporal and spatial variability of the different components of the Antarctic sea ice mass [...] Azerbaijan | At the UN Climate Change Conference, Stefanie Arndt provided insights into the current development of sea ice - with a particular focus on the drastic changes in the Southern Ocean. Find out

possible due to the harsh water current at the wreck site another attempt was conducted at HE607 with the help of a ROV of the ICBM. During HE607 it is planned to visit the again the wreck site of the submarine [...] Bremerhaven – Bremerhaven The aims of the cruise HE635 are cross disciplinary investigations of munition dumping sites in the southern German Bight and the test of new underwater crawler for munition monitoring [...] (e.g., patterns of coastal runoff) and chemistry to reveal terrestrial and marine sources of nutrients, OM, freshwater, and the distribution of greenhouse gases of the PCES. The effect of local flux patterns

thermal environment of the mother has a strong influence on the fitness of the offspring in a matching environment. Mechanistically the plastic adaptation is linked to higher efficiency of the mitochondrial [...] between environment of the parents and of the offspring exists, it can be a selective advantage to transfer information about phenotypically plastic traits to the offspring. We investigate the epigenetic mechanisms [...] mechanisms of transgenerational plasticity (TGP) in the context of ocean warming and performance in a marine population of the threespine stickleback (Gasterosteus aculeatus), and could show that the thermal