After completing their simulation component in the German-Indonesian Tsunami Early Warning System (GITEWS), the team for tsunami modelling of the Alfred Wegener Institute for Polar and Marine Research in the Helmholtz Association has presented the currently leading software system for tsunami events with the potential for catastrophe.
It is now being integrated into the Decision Support System (DSS) of the German Aerospace Center in Oberpfaffenhofen. It is to resume its test mode in Indonesia in November.
"Within slightly more than two years, my team has developed, with the help of current software technology, the most modern and flexible simulation system for one of the most dreaded natural disasters of the world", explains Dr Jörn Behrens, Head of the Tsunami Modelling Group of the Alfred Wegener Institute.
"In contrast to other currently available Tsunami Early Warning Systems, it does not only use earthquake data for its ultra-fast situational analysis, but it combines various measurements to a robust, precise, and quick situation report." Next to seismic data (earthquake parameters), also gauge and buoy data (wave heights), and GPS data (deformations of the earth's crust) can be incorporated into the calculations.
All these data run together in the DSS, and the picture of the general situation supports decision-makers - for example after a seaquake - to evaluate more reliably and quicker than before, whether it poses a threat for residents of the bordering coastline in the form of rising water waves. Accordingly, warnings reach affected persons earlier than before, and it leaves more time to take disaster prevention measures.
Furthermore, simulation results from different institutes can seamlessly be integrated into the system. The team from the Alfred Wegener Institute will provide the warning system until November 2008 with already around 1500 high-resolution tsunami scenarios. The newly developed simulation system compares these scenarios with incoming real measurement data in a matter of seconds and deduces its forecast.
The Indonesian partners work on the completion of the database at the same time. Together with colleagues from the Indonesian "Institute of Technology Bandung", a connection to approximately 160.000 local tsunami scenarios they calculated is now being incorporated into the system developed at the Alfred Wegener Institute in Bremerhaven. They allow an essential expansion of the database.
"In regard to the interface to other programs, we adhere to open standards, which control the exchange of data in the world of computers. This way, external scenarios can seamlessly be integrated, and we can adapt the simulation model quickly to other marine areas of the world, for instance the Mediterranean Sea," says Behrens about the perspective for further early warning systems.
The Tsunami Modelling group consists of seven researchers and PhD students, among them one PhD student from Indonesia. It was established at the beginning of 2006, and has developed, next to the simulation system presented here, the simulation software TsunAWI, which is one of the bases for the computation of tsunami scenarios. The software has mastered its practical test: it computed the resulting wave heights precisely, when an earthquake of magnitude 7,9 near Bengkulu/Western Sumatra triggered a tsunami on September 13th 2007.
The aim of GITEWS is to minimize the consequences of natural disasters by means of an early warning system. Nevertheless, a natural phenomenon like the tsunami in the year 2004 cannot be prevented, and catastrophes of this kind will always cause casualties, regardless of a perfectly working alarm system. GITEWS is developed by several scientists and engineers from the Helmholtz Centre Potsdam German Research Centre for Geosciences (GFZ), the Alfred Wegener Institute for Polar and Marine Research in the Helmholtz Association (AWI), the German Aerospace Center (DLR), the Research Centre in Geesthacht (GKSS), the German Marine Research Consortium (KDM), the Leibniz Institute of Marine Sciences (IFM-GEOMAR), the United Nations University (UNU), the Gesellschaft für Technische Zusammenarbeit (GTZ), and the Federal Institute for Geosciences and Natural Resources (BGR), as well as Indonesian and international partners. The project is financed by the Federal Ministry of Education and Research (BMBF).
The Alfred Wegener Institute for Polar and Marine Research (AWI) conducts research in the Arctic, Antarctic and in oceans of mid and high latitudes. The AWI coordinates polar research in Germany, and provides important infrastructure, such as the research icebreaker Polarstern and stations in the Arctic and Antarctic, for international science organisations. The AWI is one of 15 research centres of the 'Helmholtz-Gemeinschaft' (Helmholtz Association), the largest scientific organisation in Germany.
Margarete Pauls | idw
Supercomputing the emergence of material behavior
18.05.2018 | University of Texas at Austin, Texas Advanced Computing Center
Keeping a Close Eye on Ice Loss
18.05.2018 | Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung
There are videos on the internet that can make one marvel at technology. For example, a smartphone is casually bent around the arm or a thin-film display is rolled in all directions and with almost every diameter. From the user's point of view, this looks fantastic. From a professional point of view, however, the question arises: Is that already possible?
At Display Week 2018, scientists from the Fraunhofer Institute for Applied Polymer Research IAP will be demonstrating today’s technological possibilities and...
So-called quantum many-body scars allow quantum systems to stay out of equilibrium much longer, explaining experiment | Study published in Nature Physics
Recently, researchers from Harvard and MIT succeeded in trapping a record 53 atoms and individually controlling their quantum state, realizing what is called a...
The historic first detection of gravitational waves from colliding black holes far outside our galaxy opened a new window to understanding the universe. A...
A team led by Austrian experimental physicist Rainer Blatt has succeeded in characterizing the quantum entanglement of two spatially separated atoms by observing their light emission. This fundamental demonstration could lead to the development of highly sensitive optical gradiometers for the precise measurement of the gravitational field or the earth's magnetic field.
The age of quantum technology has long been heralded. Decades of research into the quantum world have led to the development of methods that make it possible...
Cardiovascular tissue engineering aims to treat heart disease with prostheses that grow and regenerate. Now, researchers from the University of Zurich, the Technical University Eindhoven and the Charité Berlin have successfully implanted regenerative heart valves, designed with the aid of computer simulations, into sheep for the first time.
Producing living tissue or organs based on human cells is one of the main research fields in regenerative medicine. Tissue engineering, which involves growing...
02.05.2018 | Event News
13.04.2018 | Event News
12.04.2018 | Event News
22.05.2018 | Life Sciences
22.05.2018 | Life Sciences
22.05.2018 | Trade Fair News