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| Titel |
Tsunami propagation modelling – a sensitivity study |
| VerfasserIn |
M. H. Dao, P. Tkalich |
| 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 ; 7, no. 6 ; Nr. 7, no. 6 (2007-12-03), S.741-754 |
| Datensatznummer |
250004820
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| Publikation (Nr.) |
 copernicus.org/nhess-7-741-2007.pdf |
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| Zusammenfassung |
| Indian Ocean (2004) Tsunami and following tragic consequences demonstrated
lack of relevant experience and preparedness among involved coastal nations.
After the event, scientific and forecasting circles of affected countries
have started a capacity building to tackle similar problems in the future.
Different approaches have been used for tsunami propagation, such as
Boussinesq and Nonlinear Shallow Water Equations (NSWE). These
approximations were obtained assuming different relevant importance of
nonlinear, dispersion and spatial gradient variation phenomena and terms.
The paper describes further development of original TUNAMI-N2 model to take
into account additional phenomena: astronomic tide, sea bottom friction,
dispersion, Coriolis force, and spherical curvature. The code is modified to
be suitable for operational forecasting, and the resulting version
(TUNAMI-N2-NUS) is verified using test cases, results of other models, and
real case scenarios. Using the 2004 Tsunami event as one of the scenarios,
the paper examines sensitivity of numerical solutions to variation of
different phenomena and parameters, and the results are analyzed and ranked
accordingly. |
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