Journal cover Journal topic
Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
Nat. Hazards Earth Syst. Sci., 10, 2259-2268, 2010
http://www.nat-hazards-earth-syst-sci.net/10/2259/2010/
doi:10.5194/nhess-10-2259-2010
© Author(s) 2010. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
12 Nov 2010
Inclusion of landslide tsunamis generation into a depth integrated wave model
C. Cecioni and G. Bellotti University of Roma TRE, Civil Engineering Sciences Department (DSIC), Rome, Italy
Abstract. A numerical model based on the mild slope equation, suitable to reproduce the propagation of small amplitude tsunamis in the far field, is extended to reproduce the generation and the propagation of waves generated by landslides. The wave generation is modeled through a forcing term included in the field equation, which reproduces the effects of the movement of a submerged landslide on the fluid. The measurements of three dimensional laboratory experiments, which simulate tsunamis generated by landslide sliding along the flank of a conical island, are compared with the theoretical calculation results. The present approach is also compared with the similar method of Tinti et al. (2006) used for the generation of these waves in depth integrated model, and the different behavior when using frequency-dispersive and non-dispersive equations is highlighted.

Citation: Cecioni, C. and Bellotti, G.: Inclusion of landslide tsunamis generation into a depth integrated wave model, Nat. Hazards Earth Syst. Sci., 10, 2259-2268, doi:10.5194/nhess-10-2259-2010, 2010.
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