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| Titel |
Design of a Sea-level Tsunami Detection Network for the Gulf of Cadiz |
| VerfasserIn |
R. Omira, M. A. Baptista, L. Matias, J. M. Miranda, C. Catita, F. Carrilho, E. Toto |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1561-8633
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| Digitales Dokument |
URL |
| Erschienen |
In: Natural Hazards and Earth System Science ; 9, no. 4 ; Nr. 9, no. 4 (2009-07-31), S.1327-1338 |
| Datensatznummer |
250006895
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| Publikation (Nr.) |
 copernicus.org/nhess-9-1327-2009.pdf |
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| Zusammenfassung |
| The devastating impact of the Sumatra tsunami of 26 December 2004,
raised the question for scientists of how to forecast a tsunami threat. In
2005, the IOC-UNESCO XXIII assembly decided to implement a global tsunami
warning system to cover the regions that were not yet protected, namely the
Indian Ocean, the Caribbean and the North East Atlantic, the Mediterranean
and connected seas (the NEAM region). Within NEAM, the Gulf of Cadiz is the
more sensitive area, with an important record of devastating historical
events. The objective of this paper is to present a preliminary design for a
reliable tsunami detection network for the Gulf of Cadiz, based on a network
of sea-level observatories. The tsunamigenic potential of this region has
been revised in order to define the active tectonic structures. Tsunami
hydrodynamic modeling and GIS technology have been used to identify the
appropriate locations for the minimum number of sea-level stations. Results
show that 3 tsunameters are required as the minimum number of stations
necessary to assure an acceptable protection to the large coastal population
in the Gulf of Cadiz. In addition, 29 tide gauge stations could be necessary
to fully assess the effects of a tsunami along the affected coasts of
Portugal, Spain and Morocco. |
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