with modeling studies, this information will be used to attribute the relative importance of anthropogenic activity and natural phenomena on the marine ecosystem and biogeochemical cycling of the Southern

centimetres – and in the future, it will continue to do so, and more quickly. This is chiefly due to anthropogenic climate change. The warmer atmosphere is heating the ocean, causing seawater to expand. In addition [...] replaced thermal expansion as the main cause. What the future looks like will above all depend on anthropogenic greenhouse-gas emissions. According to the IPCC’s climate projections, if emissions can be cut

prominent and frequent hydroclimate extremes and whether there is a difference between natural and anthropogenic impact on Siberian hydrology by comparison of early Holocene and recent warming phases. To answer [...] from the Early Holocene with a similar temporal resolution, if achievable, to disentangle the anthropogenic and natural contribution. For investigations, primarily diatom-δ18O will be used to establish

investigate both the natural processes that influence seafloor morphology and sediment dynamics and anthropogenic influences, such as the use of bottom-contact fishing gear. Acoustic methods further allow us

Antarctic natural resources is currently (still) prohibited under the Antarctic Treaty. Hence few anthropogenic acoustic sources exist in this region while the sea ice cover absorps sound more efficiently than [...] reducing ambient sound levels further. Spectrogram of 20060829-2207_PALAOA (Photo: OZA AWI) Anthropogenic sound Ship noise Polarstern in sea ice (Photo: AWI) Twice a year, the German research vessel

and classification tasks in marine passive acoustic data, both for biological sounds as well as anthropogenic sounds. www.researchgate.net/profile/Elena_Schall Elke Burkhardt I am a marine biologist with [...] I aim to identify large-scale migratory patterns and assess how environmental variability and anthropogenic noise influence their presence and habitat use. Ramona Mattmueller I am a marine biologist and [...] marine mammal diversity via their acoustic behavior. I am particularly interested in the impact of anthropogenic noise on polar ocean soundscapes and its impact on the soundscape and (acoustic) ecology of marine

important implications for Southern Ocean phytoplankton ecology. By the year 2100, the ongoing anthropogenic emissions of carbon dioxide (CO2) will likely have increased atmospheric CO2 concentrations from

Quéric, N.-V., Schewe, I., Wlodarska-Kowalczuk, M., Klages, M. (2016). Natural variability or anthropogenically-induced variation? Insights from 15 years of multidisciplinary observations at the arctic marine

changes are also studied in such experiments. Large scale circulation changes as captured by anthropogenic tracers Contact: Michael Karcher The Arctic Ocean surface circulation is characterized by the [...] mark specific water masses on their paths through the Arctic. Such a tracer is 129 Iodine, an anthropogenic radionuclide which is dumped as waste into the Irish Sea and the North Sea by nuclear reprocessing

prominent and frequent hydroclimate extremes and whether there is a difference between natural and anthropogenic impact on Siberian hydrology by comparison of early Holocene and recent warming phases. To answer [...] from the Early Holocene with a similar temporal resolution, if achievable, to disentangle the anthropogenic and natural contribution. For investigations, primarily diatom-δ18O will be used to establish