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News from GFZ

21.07.2017 | Ancient Saharan dust reveals new insights into the history of the desert

The Sahara is the largest dry desert of the world and therewith the globally most intense producer of dust. This dust fertilizes the oceans and has an impact on climate evolution and terrestrial ecosystems. An international team of scientists led by the University of Leipzig and with the participation of the GFZ now reconstructed the evolutionary history of the Sahara based on dust sediments from a Moroccan lake.

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21.07.2017 | Bericht | Schweres Erdbeben und kleiner Tsunami in der Ägäis

In der Nacht zum Freitag um 1:31 Uhr (MESZ) gab es ein schweres Erdbeben mit der Magnitude 6,6 in der Ägäis. Der Erdbebenherd lag in 11 Kilometern Tiefe nahe der türkischen Küste. Medienberichten zufolge wurden zwei Menschen getötet, es gab zahlreiche Verletzte, etliche Gebäude wurden beschädigt. Nördlich des Epizentrums in Bodrum wurde ein kleiner lokaler Tsunami von 20 Zentimetern Höhe gemessen.

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20.07.2017 | Report | The future of GPS – ADVANTAGE summer school on Telegrafenberg

Within the last years satellite navigation GPS became common property. Car drivers are guided by the navigation system, GPS controlled farm machineries work accurate to the centimeter and scientific applications are improving weather forecast. In the frame of the project "Advanced Technologies for Navigation and Geodesy – ADVANTAGE“, about 35 scientists met on Telegrafenberg on 18 and 19 July to discuss new technologies in the field.

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20.07.2017 | Weighing changes in the water storage of landscapes

System Earth is highly complex. It consists of multiple interconnected cycles. Measuring the balance of energy and mass fluxes in the environment is therefore a highly demanding task in sciences. Researchers from the GFZ section Hydrology, together with colleagues from the Senate of the City of Berlin, the German Federal Agency for Cartography and Geodesy, and the University of Potsdam now showed that they are able to “weigh” the balance of water.

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19.07.2017 | Thawing permafrost releases old greenhouse gas

The thawing permafrost soils in the Arctic regions might contribute to the greenhouse effect in two ways: On the one hand rising temperatures lead to higher microbial methane production close to the surface. On the other hand deeper thawing opens new pathways for old, geologic methane. This is shown in a study in the Mackenzie Delta (Canada), conducted by scientists from the German Research Centre for Geosciences GFZ, the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) and partners in the US. The study is published in the journal Scientific Reports.

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18.07.2017 | Highest rating for climate research and data project AtmoSat by German Science Council

AtmoSat aims at investigating the impact of chemical and physical processes in the middle atmosphere between five and hundred kilometres on regional and global climates. The joint operation of the Karlsruher Instituts für Technologie (KIT) and the Forschungszentrums Jülich (FZJ), with the participation of the GFZ, combines a satellite observation system and a related data infrastructure. The project now received the highest rating by a committee of the German Science Council. The Science Council advises the German Government on the development of science and research.

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10.07.2017 | Report | “Good luck” for ProSalz – A safe use of salt deposits for resource mining and underground energy storage

In Germany, salt deposits play a major economic role, not only in resource mining but, less known, also for energy storage. Salt is characterized by an impermeable structure and therefore is a preferred storage medium for various liquids and gases. Technical caverns in salt can serve as a storage medium for example for natural gas, hydrogen or mineral oil. It secures a reliable energy supply even during peak of demand. Cavernous structures are also naturally formed and occasionally found in active salt mines. Within such an active salt mine the project „ProSalt - process understanding, scalability and transferability of reactive multiphase transport in salt deposits“ investigates the processes acting between salt, gas, and water in the transition zone between cavern and solid rock.

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