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- Sep 22, 2009, 2:57:56 PM (15 years ago)
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anuga_work/publications/boxing_day_validation_2008/data.tex
r7499 r7521 124 124 125 125 The sub-sampling of larger grids was performed by using \textsc{resample}, 126 a Generic Mapping Tools (\textsc{GMT}) program (\cite{wessel98}).126 a Generic Mapping Tools (\textsc{GMT}) program \cite{wessel98}. 127 127 128 128 … … 161 161 contour lines) and a tsunami inundation survey map from the 162 162 Coordinating Committee Co-ordinating Committee for Geoscience 163 Programmes in East and Southeast Asia (CCOP) (\cite{szczucinski06})163 Programmes in East and Southeast Asia (CCOP) \cite{szczucinski06} 164 164 was obtained to validate model inundation. See also acknowledgements 165 165 at the end of this paper. In this section we also present eye-witness … … 168 168 169 169 \subsubsection{Topography Data} 170 A 1 170 A 1~second grid comprising the onshore topography and the nearshore 171 171 bathymetry for Patong Beach was created from the Thai Navy charts 172 (described in Section \ref{sec:bathymetry data}) and from 1 m and 10 m 173 elevation contours provided by the CCOP (see Section 174 \ref{sec:inundation data} for details). The 1 second terrain model 172 (described in Section \ref{sec:bathymetry data}) and from 1~m and 10~m 173 elevation contours provided by the CCOP. The 1~second terrain model 175 174 for the and community as shown in Figure~\ref{fig:patong_bathymetry}. 176 175 177 Two 1/3 176 Two 1/3~second grids were created: One for the saddle point covering 178 177 Merlin and Tri Trang Beaches and one for Patong City and its immediate 179 shore area. These grids were based on the same data used for the 1180 second data grid. The Patong city grid was further modified based on178 shore area. These grids were based on the same data used for 179 the 1~second data grid. The Patong city grid was further modified based on 181 180 satellite imagery to include the river and lakes towards the south of 182 181 Patong City which were not part of the provided elevation data. 183 The depth of the river and lake system was set uniformly to a depth of 1 182 The depth of the river and lake system was set uniformly to a depth of 1~m. 184 183 185 184 … … 189 188 \end{center} 190 189 191 \caption{3D visualisation of the elevation data set used for the nearshore propagation and andinundation in Patong Bay showing190 \caption{3D visualisation of the elevation data set used for the nearshore propagation and inundation in Patong Bay showing 192 191 digitised data points and contours as well as rivers and roads 193 192 draped over the data model.} … … 235 234 report that many people at Patong Beach observed an initial 236 235 retreat (trough or draw down) of 237 the shoreline of more than 100 236 the shoreline of more than 100~m followed a few minutes later by a 238 237 strong wave (crest). Another less powerful wave arrived another five 239 238 or ten minutes later. Eyewitness statements place the arrival time of 240 the first wave between 9:55 am and 10:05 am local time or about 2hours239 the first wave between 9:55~am and 10:05~am local time or about 2~hours 241 240 after the source rupture. 242 241
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