g. in the opal skeleton of diatoms). The special thing about this is that the geochemical fingerprint of both substances differs depending on the environmental conditions that prevailed when the diatoms [...] example, the air temperature that prevailed at the time of formation," says AWI climate researcher Dr Hanno Meyer. He heads the ISOLAB Stable Isotope Facility at the AWI Potsdam, where some of the world's most [...] Temperature data of the last 200,000 years The EPICA DML ice core had a length of 2.892 metres. In order to find out what temperature data is stored in the various ice layers of the core, the scientists took

iceberg hit the underwater cable so that the communication to the underwater part of the observatory started to become critical. With the help of the AWIPEV station personal, the REMOS part of the underwater [...] overhaul of the underwater part of the installation, including the replacement of the concrete fundament. The April dive-expedition 2018 to Svalbard was therefore dedicated almost exclusively to the renewal [...] hammered into the sediment. Then, the divers filled the steel frame with additional 72 concrete plates each of it with a weight if 18,4 kg so that the desired final weight of the entire construction of 1.8 tons

play the conditions and the base of the ice for the speedy ice streams and did they change their behaviour in the past? Where can we find the oldest ice, with which we can reconstruct the climate of the [...] and ends with the composition of the subsurface below the ice, both of which govern flow behaviour of ice. In the end, we hope to make conclusions about how ice masses will change in the decades to come [...] million years ago? For all of these questions observations on site are essential. This begins with the determination of the ice thickness, continues with the inference of the crystal orientation fabric

Development (ESD) of the Federal Ministry of Education and Research and the German UNESCO Commission. The klimafit core team includes: at AWI: Dr. Renate Treffeisen, Dr. Klaus Grosfeld, at the WWF Germany: [...] Hartmut Heinrich Award The unexpected discovery of Hartmut Heinrich has an enormous influence on the work of the section Paleoclimate Dynamics . Deep-sea sediment cores recovered from the Northeast Atlantic [...] insolation forces meltwater discharge from the ice sheets into the polar seas which subsequently enhances formation of sea ice during the winter. In the second case, growth of continental ice enhances iceberg

in the Pacific Southern Ocean since the Mid-Pleistocene Transition The Southern Ocean plays a critical role in the Earth system, both for the uptake of anthropogenic carbon and for the exchange of heat [...] inspired the concept of the Arcwatch expeditions. The SNAC-cluster now aims at providing a synoptic view of the changing CAO. The “PaRaThA” project is based on the time-integrated information from the natural [...] sedimentation rate and the spatial distribution of the controlling environmental parameters in order to: to quantify the content of organic carbon (OC) in the sediments of the Baltic Sea, assess their OC a

and paleo-current models of the continental rise and shelf of the Pacific margin of West Antarctica The results call for an urgent case of scientific drilling, in particular in the Amundsen Sea Embayment [...] reconstruction of the dynamic history of Antarctic Ice Sheet expansion and retreat since the onset of Southern Hemisphere glaciation improves our understanding of ice sheet growth and melting processes and [...] that exceed those of any other Antarctic outlet glacier outside the Antarctic Peninsula. The incursion of warm Circum-Polar Deep-Water into the deeply incised glacial troughs of the shelves has been recognized

comparison to the area of permafrost? What is the extend of these elements of the cryosphere – also in relation to the country of Germany? The back of the wooden tiles are revealing the result and some [...] A survey at the beginning of the event showed that the topic was new to most participants but of great interest, and also that not all of them were located in the area of Berlin (one even in Luxembourg [...] them to relate to. With the help of the resources provided by the Ralf Dahrendorf Prize, we will overcome that distance by showing interested members of the general public the broad landmasses that are

clicking on the flag symbol. At the end of the training, you will be asked 15 multiple-choice questions about the content of the training, which you have to answer correctly (see also information in the instruction [...] Training "Environmental Protection in Antarctica" The provisions of the German "Law for the Implementation of the Environmental Protection Protocol to the Antarctic Treaty" (see www.gesetze-im-internet [...] traveling to the Antarctic Treaty area (south of 60°S) with a German permit must have sufficient knowledge of environmental protection in Antarctica and the provisions of the law. For this reason, the Alfred

research topics or explore the conflict of interests of different Arctic stakeholders. Lesson Plan Permafrost in the Arctic Living in the wild North The Permafrost Risk The Ocean Race Summit Dr. Rebecca [...] and thematic perspectives. Different questions discuss the situation in the High North: What characterizes the Arctic environment? What changed in the Arctic over the last decades? What is permafrost? How [...] Outreach Lesson Plan "Permafrost in the Arctic" The lesson plan “Permafrost in the Arctic” explores the subject of degrading permafrost and its effects on men and environment from different spatial and

Marine Protected Area The Weddell Sea lies in the Atlantic sector of the Antarctic, to the east of the Antarctic Peninsula. It is one of the few remaining marine regions in the world that are largely untouched [...] Protected Areas? With an area of 2.2 million square kilometres, the Weddell Sea MPA ( area west of the Prime Meridian ) would be the largest MPA in the world. The declared goal of the United Nations is to protect [...] exploration of the southern continent and its waters for all time. To define more precisely how the living resources of Antarctic waters could be used, the Convention on the Conservation of Antarctic Marine