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|Título:||Evaluating Tsunami Impact on the Gulf of Cadiz Coast (Northeast Atlantic).|
Baptista, Maria Ana Carvalho Viana
Miranda, J. M.
Gulf of Cadiz
1755 Lisbon Tsunami
|Editora:||Birkhauser Verlag AG|
|Citação:||Omira R, Baptista M A, Miranda J M. Evaluating Tsunami Impact on the Gulf of Cadiz Coast (Northeast Atlantic). Pure and Applied Geophysics. 2011; Volume: 168, Issue: 6-7, Pages: 1033-1043.|
|Relatório da Série N.º:||168;|
|Resumo:||The Gulf of Cadiz coasts are exposed to tsunamis. Emergency planning tools are now taking into account this fact, especially because a series of historical occurrences were strikingly significant, having left strong evidence behind, in the mareographic records, the geological evidence or simply the memory of the populations. The study area is a strip along the Algarve coast, south Portugal, an area known to have been heavily impacted by the 1 November 1755 event. In this study we use two different tsunami scenarios generated by the rupture of two thrust faults identified in the area, corresponding to 8.1-8.3 magnitude earthquakes. Tsunami propagation and inundation computation is performed using a non-linear shallow water code with bottom friction. Numerical modeling results are presented in terms of flow depth and current velocity with maximum values of 7 m and 8 m/s for inundation depth and flow speed, respectively. These results constitute a valuable tool for local authorities, emergency and decision planners to define the priority zones where tsunami mitigation measures must be implemented and to develop tsunami-resilient communities.|
|Aparece nas colecções:||ISEL - Eng. Civil - Artigos|
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|Evaluating Tsunami Impact on the Gulf of Cadiz Coast (Northeast Atlantic).rep.pdf||54,89 kB||Adobe PDF||Ver/Abrir|
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