Ramana Murthy's Post-Tsunami Model

Ramana Murthy et al (2011) carried out field survey for the 2004 Sumatra tsunami along the Cuddalore coast using RTK GPS. The authors reported that a maximum inundation was about 2 km from the shore in the low lying areas. The authors pointed out that landform such as sand dunes acted as a barrier in the inundation of tsunami and variation of inundation from place to place. A post-tsunami field survey was conducted by Ramana Murthy et al (2012) for the Nagapattinam district, providing a dense sampling of the tsunami run-up and inundation height for Nagapattinam. The methodology closely resembles that of Kumar et al (2008) discussed above, using the RTK GPS for locating the measurement points.

Usha et al (2012) documented the field observations

The equations are solved using splitting method. Agarwal et al (2005) used the Tidal Ocean Atmosphere Surge and Tsunami simulation (TOAST) model for the 2004 Sumatra tsunami using elastic plate movement model for initial tsunami generation. The results are compared with Jason altimeter data. Babeyko and Sobolev (2005) developed a non-linear shallow water model with coriolis and bottom friction parameter in the model. The authors carried out the simulation with explicit finite difference model and reported that degrade in the nearshore region and so an effective fine tuning of the model is necessary. Annunziato and Best (2005) developed a simple model for computing the tsunami travel times and contribute to the early warning system.

The Global Tsunami Model (GTM) was carried out by Kowalik et al (2005) to the Indian, Atlantic and Pacific Oceans with model grid size of 1 min. The authors reported that numerous reflections and quite long ringing of the tsunami oscillations in the coastal regions suggesting local resonance and local trapping of tsunami energy. Sharma et al (2005) carried out the numerical for 1945 Makran earthquake generated tsunami using TUNAMI N2