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13.09.2017 | Closing Conference for Carbon Dioxide Storage in the Underground

Pilot project ends after 13 years of research in Ketzin/Havel | After 13 years of successful research work, the Ketzin Project has now come to an end. In this city on the River Havel, the GFZ German Research Centre for Geosciences has investigated whether carbon dioxide (CO2) can be stored safely and permanently in the underground and how it behaves at depth. For this purpose, between 2008 and 2013 more than 67,000 tons of CO2 were pumped, via an injection well, into a so-called storage horizon. There, at a depth of about 630 meters, porous sandstone traversed by salt-bearing groundwater prevails - a "salt aquifer".

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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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04.07.2017 | Safe, not only while on vacation

At the beginning of the main vacation time the GFZ German Research Centre for Geosciences would like to point all holidaymakers and tourists who travel in earthquake- and tsunami-prone areas to its information leaflets "What to do when you experience a strong earthquake" and "Information on Tsunami".

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08.06.2017 | The mysterious bend in the Hawaiian-Emperor chain

The volcanic islands of Hawaii represent the youngest end of a 80 million years old and roughly 6,000 kilometres long mountain chain on the ground of the Pacific Ocean. The so-called Hawaiian-Emperor chain consisting of dozens of volcanoes is well known for its peculiar 60 degrees bend. The cause for this bend has been heavily debated for decades. One explanation is an abrupt change in the motion of the Pacific tectonic plate, the opposite model states southward drift of the mantle plume that has sourced the chain since its beginning 80 million years ago. Apparently both processes play an important role, shows a new study in Nature Communications, published by a group of scientists from the University of Oslo, German Research Centre for Geosciences GFZ Potsdam, and Utrecht University.

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17.05.2017 | From where will the next big earthquake hit the city of Istanbul?

The city of Istanbul is focus of great concern for earthquake researchers. This 15-million metropole is situated very close to the so-called North Anatolian Fault Zone which runs just outside of the city gates below the Marmara Sea. Here in the underground there is a constant build-up of energy which results from an interlocking of the tectonic plates causing plate movement to come to a halt until a great tremor releases this energy. Scientists, therefore, reckon with an earthquake with a magnitude of 7 or greater in this region in the coming years.

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16.05.2017 | Halbzeit für die Ausstellung „Fokus: Erde. Von der Vermessung unserer Welt“

Die Geoforschung hat in Potsdam eine lange Tradition. Insbesondere für die Erdvermessung spielte und spielt die Stadt eine maßgebliche Rolle. Hier lag das Zentrum der preußischen Landvermessung, hier wurden abenteuerliche Forschungsreisen wie die erste deutsche Antarktisexpedition vorbereitet, hier wurde die Schwerkraft mit atemberaubender Präzision bestimmt, hier wurde das Zeitsignal der DDR erzeugt – und hier werden heute Daten der satellitengestützten Schwerfeldmessung zusammengetragen, um weltweit Veränderungen aufzuspüren, die etwa auf Gletscherschwund oder Grundwasserverlust verweisen. All diese Geschichten erzählt die Ausstellung „Fokus: Erde. Von der Vermessung unserer Welt“ im Haus der Brandenburgisch-Preußischen Geschichte in Potsdam.

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15.05.2017 | Natural resource exploration using freely accessible satellite data

Up to now, the search for mineral resources has been a complex and therefore cost-intensive undertaking with great entrepreneurial risk. A new, satellite-based procedure called ReSens+ (Resource Sensing) can contribute significantly to increasing the efficiency and quality of searching and prospecting for these resources. It was developed at the GFZ German Research Centre for Geosciences and will be presented at the international mining trade fair EXPONOR on May 15 to 19 in Chile and at the DMT mining forum on June 1 and 2 in Berlin. ReSens+ is the result of research included in the EnMAP satellite mission (Environmental Mapping and Analysis Program) and is available as a service immediately.

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