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Numerical modeling of tsunamis and tsunami vulnerability analysis for Heraklion, Crete

Flouri Evaggelia, Dougalis, Vassilios A, Synolakis Kostas

Απλή Εγγραφή


URIhttp://purl.tuc.gr/dl/dias/0CB1BB7E-4F50-4795-B6EC-1318443ABB17-
Αναγνωριστικόhttps://doi.org/10.1002/mma.4134-
Αναγνωριστικόhttps://onlinelibrary.wiley.com/doi/full/10.1002/mma.4134-
Γλώσσαen-
Μέγεθος6 pagesen
ΤίτλοςNumerical modeling of tsunamis and tsunami vulnerability analysis for Heraklion, Creteen
ΔημιουργόςFlouri Evaggeliaen
ΔημιουργόςΦλουρη Ευαγγελιαel
ΔημιουργόςDougalis, Vassilios Aen
ΔημιουργόςSynolakis Kostasen
ΔημιουργόςΣυνολακης Κωσταςel
ΕκδότηςJohn Wiley and Sonsen
ΠερίληψηTsunamis are rare events compared with other extreme natural hazards, but the growth of population along coastlines has increased their potential impact. Tsunamis are most often generated by earthquake-induced dislocations of the seafloor, which displace large water masses. They can be simulated effectively as long waves whose propagation is modeled by the nonlinear shallow water equations. In this note, we present a brief assessment of earthquake-generated tsunami hazards for the city of Heraklion, Crete. We employ numerical hydrodynamic simulations, including inundation computations with the model MOST, and use high-resolution bathymetry and topography data for the area of interest. MOST implements a splitting method in space to reduce the system of shallow water equations in two successive systems, one for each spatial variable, and it uses a dispersive, Godunov-type finite difference method to solve the equations in characteristic form. We perform probabilistic analysis to assess the effects of the earthquake epicenter location on the tsunami, for time windows of 100, 500, and 1000years. The tsunami hazard is assessed through computed values of the maximum inundation range and maximum flow depth. Finally, we present a brief vulnerability analysis for the city of Heraklion, Crete. The data needed to identify tsunami-vulnerable areas are obtained by combining remote sensing techniques and geographic information system technology with surveyed observations and estimates of population data.en
ΤύποςPeer-Reviewed Journal Publicationen
ΤύποςΔημοσίευση σε Περιοδικό με Κριτέςel
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2019-10-01-
Ημερομηνία Δημοσίευσης2018-
Θεματική Κατηγορία76M20en
Θεματική Κατηγορία86A15en
Θεματική ΚατηγορίαShallow water equationsen
Θεματική ΚατηγορίαSubclass 76B15en
Θεματική ΚατηγορίαTsunamien
Θεματική ΚατηγορίαTsunami vulnerability of Heraklionen
Βιβλιογραφική ΑναφοράE.T. Flouri, V.A. Dougalis and C.E. Synolakis, "Numerical modeling of tsunamis and tsunami vulnerability analysis for Heraklion, Crete," Math. Method Appl. Sci., vol. 41, no. 3, pp. 1068-1073, Feb. 2018. doi: 10.1002/mma.4134en

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