Vulnerability of the Atlantic Patagonian coast to tsunamis generated by submarine earthquakes located in the Scotia Arc region. Some numerical experiments

The Scotia Arc is one of two regions in the Atlantic Ocean with greater potential for tsunami generation from seismic and volcanic sources. A numerical modeling study was undertaken to determine tsunami generation from postulated sources along the Arc and tsunami wave amplification or attenuation al...

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Autores principales: Dragani, Walter César, Rovere, Elizabeth Ivonne
Publicado: 2009
Materias:
Argentinean continental shelf
Numerical simulation
Oceanography
Scotia Arc
Tsunami
bathymetry
continental shelf
earthquake mechanism
numerical model
seismic source
tsunami
vulnerability
wave attenuation
wave generation
wave propagation
Antarctica
Argentina
Atlantic Ocean
Buenos Aires [Argentina]
Burdwood Bank
Mar del Plata
Patagonian Shelf
South America
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0921030X_v49_n3_p437_Dragani
http://hdl.handle.net/20.500.12110/paper_0921030X_v49_n3_p437_Dragani
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_0921030X_v49_n3_p437_Dragani
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spelling paper:paper_0921030X_v49_n3_p437_Dragani2023-06-08T15:50:15Z Vulnerability of the Atlantic Patagonian coast to tsunamis generated by submarine earthquakes located in the Scotia Arc region. Some numerical experiments Dragani, Walter César Rovere, Elizabeth Ivonne Argentinean continental shelf Numerical simulation Oceanography Scotia Arc Tsunami bathymetry continental shelf earthquake mechanism numerical model seismic source tsunami vulnerability wave attenuation wave generation wave propagation Antarctica Argentina Atlantic Ocean Buenos Aires [Argentina] Burdwood Bank Mar del Plata Patagonian Shelf Scotia Arc South America The Scotia Arc is one of two regions in the Atlantic Ocean with greater potential for tsunami generation from seismic and volcanic sources. A numerical modeling study was undertaken to determine tsunami generation from postulated sources along the Arc and tsunami wave amplification or attenuation along the Patagonian continental shelf. Sea level oscillation represented by a simple sinusoidal wave function applied at the boundary of the numerical grid, which simulated the tsunami entering the computational domain, was implemented as forcing. The validation of this model was carried out by comparing the maximum amplitudes recorded and simulated at Santa Teresita and Mar del Plata (Buenos Aires province) after the occurrence of earthquake and subsequent tsunami in Sumatra (December 2004). From numerical simulations it can be seen that the tsunami propagation is highly affected by bathymetric refraction on the Patagonian continental shelf and the wave amplitude is significantly attenuated on the inner continental shelf. Maximum amplifications were obtained around Malvinas (Falkland) Islands and Burdwood bank because the wave propagates almost without refracting and the shoaling effect is highly significant there. © Springer Science+Business Media B.V. 2008. Fil:Dragani, W.C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Rovere, E.I. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2009 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0921030X_v49_n3_p437_Dragani http://hdl.handle.net/20.500.12110/paper_0921030X_v49_n3_p437_Dragani
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Argentinean continental shelf
Numerical simulation
Oceanography
Scotia Arc
Tsunami
bathymetry
continental shelf
earthquake mechanism
numerical model
seismic source
tsunami
vulnerability
wave attenuation
wave generation
wave propagation
Antarctica
Argentina
Atlantic Ocean
Buenos Aires [Argentina]
Burdwood Bank
Mar del Plata
Patagonian Shelf
Scotia Arc
South America
spellingShingle Argentinean continental shelf
Numerical simulation
Oceanography
Scotia Arc
Tsunami
bathymetry
continental shelf
earthquake mechanism
numerical model
seismic source
tsunami
vulnerability
wave attenuation
wave generation
wave propagation
Antarctica
Argentina
Atlantic Ocean
Buenos Aires [Argentina]
Burdwood Bank
Mar del Plata
Patagonian Shelf
Scotia Arc
South America
Dragani, Walter César
Rovere, Elizabeth Ivonne
Vulnerability of the Atlantic Patagonian coast to tsunamis generated by submarine earthquakes located in the Scotia Arc region. Some numerical experiments
topic_facet Argentinean continental shelf
Numerical simulation
Oceanography
Scotia Arc
Tsunami
bathymetry
continental shelf
earthquake mechanism
numerical model
seismic source
tsunami
vulnerability
wave attenuation
wave generation
wave propagation
Antarctica
Argentina
Atlantic Ocean
Buenos Aires [Argentina]
Burdwood Bank
Mar del Plata
Patagonian Shelf
Scotia Arc
South America
description The Scotia Arc is one of two regions in the Atlantic Ocean with greater potential for tsunami generation from seismic and volcanic sources. A numerical modeling study was undertaken to determine tsunami generation from postulated sources along the Arc and tsunami wave amplification or attenuation along the Patagonian continental shelf. Sea level oscillation represented by a simple sinusoidal wave function applied at the boundary of the numerical grid, which simulated the tsunami entering the computational domain, was implemented as forcing. The validation of this model was carried out by comparing the maximum amplitudes recorded and simulated at Santa Teresita and Mar del Plata (Buenos Aires province) after the occurrence of earthquake and subsequent tsunami in Sumatra (December 2004). From numerical simulations it can be seen that the tsunami propagation is highly affected by bathymetric refraction on the Patagonian continental shelf and the wave amplitude is significantly attenuated on the inner continental shelf. Maximum amplifications were obtained around Malvinas (Falkland) Islands and Burdwood bank because the wave propagates almost without refracting and the shoaling effect is highly significant there. © Springer Science+Business Media B.V. 2008.
author Dragani, Walter César
Rovere, Elizabeth Ivonne
author_facet Dragani, Walter César
Rovere, Elizabeth Ivonne
author_sort Dragani, Walter César
title Vulnerability of the Atlantic Patagonian coast to tsunamis generated by submarine earthquakes located in the Scotia Arc region. Some numerical experiments
title_short Vulnerability of the Atlantic Patagonian coast to tsunamis generated by submarine earthquakes located in the Scotia Arc region. Some numerical experiments
title_full Vulnerability of the Atlantic Patagonian coast to tsunamis generated by submarine earthquakes located in the Scotia Arc region. Some numerical experiments
title_fullStr Vulnerability of the Atlantic Patagonian coast to tsunamis generated by submarine earthquakes located in the Scotia Arc region. Some numerical experiments
title_full_unstemmed Vulnerability of the Atlantic Patagonian coast to tsunamis generated by submarine earthquakes located in the Scotia Arc region. Some numerical experiments
title_sort vulnerability of the atlantic patagonian coast to tsunamis generated by submarine earthquakes located in the scotia arc region. some numerical experiments
publishDate 2009
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0921030X_v49_n3_p437_Dragani
http://hdl.handle.net/20.500.12110/paper_0921030X_v49_n3_p437_Dragani
work_keys_str_mv AT draganiwaltercesar vulnerabilityoftheatlanticpatagoniancoasttotsunamisgeneratedbysubmarineearthquakeslocatedinthescotiaarcregionsomenumericalexperiments
AT rovereelizabethivonne vulnerabilityoftheatlanticpatagoniancoasttotsunamisgeneratedbysubmarineearthquakeslocatedinthescotiaarcregionsomenumericalexperiments
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