Changeset 3004


Ignore:
Timestamp:
May 29, 2006, 12:48:22 PM (19 years ago)
Author:
sexton
Message:

updates

Location:
production/onslow_2006/report
Files:
4 edited

Legend:

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  • production/onslow_2006/report/computational_setup.tex

    r2983 r3004  
    99boundary of the study area is placed approximately around the 100m contour
    1010line.
    11 The resultant computational mesh is then seen in \ref{fig:mesh_onslow}.
     11The resultant computational mesh is then seen in figure \ref{fig:mesh_onslow}.
    1212
    1313\begin{figure}[hbt]
    … …  
    4444those regions where complex behaviour will occur, such as the inter-tidal
    4545zone and estuaries.
    46 
    47 The following subsections detail the time series at select locations
    48 for high, low and zero tide conditions. These locations have
    49 been chosen to assist in describing the features of the tsunami wave
    50 and the resultant impact ashore. It is evident from \ref{fig:ic_high}
    51 that the DEM ...
    52 
    53 \begin{figure}[hbt]
    54 
    55   %\centerline{ \includegraphics[width=100mm, height=75mm]{../report_figures/.png}}
    56 
    57   \caption{Initial condition for mean sea level.}
    58   \label{fig:ic_zero}
    59 \end{figure}
    60 
    61 \begin{figure}[hbt]
    62 
    63   %\centerline{ \includegraphics[width=100mm, height=75mm]{../report_figures/.png}}
    64 
    65   \caption{Initial condition for lowest astronomical tide.}
    66   \label{fig:ic_low}
    67 \end{figure}
    68 
    69 \begin{figure}[hbt]
    70 
    71   %\centerline{ \includegraphics[width=100mm, height=75mm]{../report_figures/.png}}
    72 
    73   \caption{Initial condition for highest astronomical tide.}
    74   \label{fig:ic_high}
    75 \end{figure}
    76 
    77 
    78 What are the features of the tsunami wave?
    79 direction? multiple waves? amplitude offshore?
    80 
    81 It is evident for each simulation that the sand dunes west of Onslow
    82 are very effective in halting the tsunami wave. The height of these
    83 sand dunes are approximately 10m which is more than enough to halt
    84 the largest of the tsunami waves which occurs for the
    85 high tide simulation. There is inundation between the sand dunes at high
    86 tide, however, this water penetrated from the north east (via
    87 Onslow town cetnre) rather than seaward.
    88 The same feature is evident for the sand dunes east of Onslow which
    89 rise to 15m in height. Currently, ANUGA can not model changes
    90 to the bathymetry or topography due to effects of the water flow.
    91 Therefore, we do not know whether these sand dunes would withstand the
    92 transmitted energy of the tsunami wave.
    93 
    94 The wave penetrates the river east of Onslow with increasingly
    95 greater inundation as the tide changes from LAT to HAT.
    96 
    97 As expected, there is greater inundation at high tide. The major road
    98 into Onslow, the Onslow Mount Stuart Rd, remains free of inundation for
    99 all tidal scenarios. Beadon Creek Rd which services the wharf in the
    100 river becomes increasingly inundated as the tide rises. Only the
    101 entry to the wharf on Beadon Creek Rd is sufficiently inundated at LAT
    102 to stop traffic. At HAT however, essentially the entire road
    103 would be impassable.
    104 
    105 There is significant inundation of at
    106 least 2m on the foreshore of Onslow for zero and high tide.
    107 The inundation extent increases as the tide rises, pushing the edges
    108 of the majority of the road infrastructure in the Onslow town centre.

  • production/onslow_2006/report/damage.tex

    r2974 r3004  
    1818Impact on indigeneous communities are important considerations when determining
    1919tsunami impact, especially as a number of communities exist in coastal regions.
    20 These communities are typcially not included in national residential databases and
    21 would be therefore overlooked in damage model estimates.
     20These communities are typcially not included in national residential databases
     21and would be therefore overlooked in damage model estimates.
    2222There is one indigeneous community located in this study area as seen
    23 in \ref{fig:communities}. The population of the Bindibindi community is 140 and is
    24 situated in a potentially vulnerable location.
     23in figure
     24\ref{fig:communities}. The population of the Bindibindi community is 140
     25and is situated in a potentially vulnerable location.
    2526
    2627\begin{figure}[hbt]

  • production/onslow_2006/report/interpretation.tex

    r2997 r3004  
    1 The following subsections detail the time series at select locations
     1%\clearpage
     2The following subsections detail the time series at the locations
     3described in the previous table
     4%table \ref{table:gaugelocations}
    25for Highest Astronomical Tide (HAT), Lowest Astronomical Tide (LAT) and
    36Mean Sea Level (MSL) conditions. These locations
    … …  
    1114simulations.
    1215
     16\begin{table}
     17\label{table:speed_examples}
     18\caption{Examples of a range of velocities.}
    1319\begin{center}
    14 \begin{tabular}{|c|c|}\hline
     20\begin{tabular}{|l|l|}\hline
    1521Velocity (m/s) & Example \\ \hline
    16 1 & \\ \hline
    17 2 & \\ \hline
    18 5 & \\ \hline
    19 10 & \\ \hline
     221 & leisurely stroll pace\\ \hline
     231.5 & average walking pace \\ \hline
     242 & 100m Olympic male freestyle \\ \hline
     253 & mackeral \\ \hline
     264 & average person maintain for 1000m \\ \hline
     275 & blue whale \\ \hline
     2810 & 100m Olympic male sprinter \\ \hline
     2916 & car travelling in urban zones (60 km/hr) \\ \hline
    2030\end{tabular}
    2131\end{center}
     32\end{table}
    2233
    2334In simulating different tidal conditions, we assume that the
    … …  
    3950Onslow map? If so, does that place AHD 0 at MHWS?
    4051
    41 It is evident from \ref{fig:ic_high}
     52It is evident from figure \ref{fig:ic_high}
    4253that much of Onslow would be inundated at Highest Astronomical Tide (HAT)
    4354(1.5m above MSL).
    … …  
    5364provide a
    5465qualitative discussion on the changes to the inundation at HAT and LAT. 
    55 
    56 %Depending on what the following figures look like, we may need to use the
    57 %other data rather than the DTED.
    5866
    5967\begin{figure}[hbt]
    … …  
    108116event propagate towards the shore.
    109117
    110 
    111118%At some gauge locations, these
    112119%subsequent waves cause significantly increased inundation than that of
    … …  
    114121%West of Groyne and Beadon Creek locations.
    115122
    116 
    117 (\bf{Note, these words are assuming that the current simulations are OK,
     123({\bf Note, these words are assuming that the current simulations are OK,
    118124and will have to be updated once we have more information about
    119125the tides etc}).

  • production/onslow_2006/report/onslow_2006_report.tex

    r2983 r3004  
    6262     \label{sec:results}
    6363     \input{computational_setup}
     64
     65\begin{table}
     66\label{table:gaugelocations}
     67\caption{Defined gauge locations for Onslow study area.}
    6468     
    6569\begin{center}
    … …  
    8084Beadon Bay west & 305311.01 & 7606557.16 \\ \hline
    8185Beadon Bay east & 307989.36 & 7606591.95 \\ \hline
    82 \end{tabular}
    83  \end{center}
    84  
     86
     87\end{tabular}
     88\end{center}
     89 \end{table}
     90
    8591\input{interpretation}
    8692\subsection{Lowest Astronomical Tide}
    … …  
    102108
    103109   \section{Damage modelling}
     110    \label{sec:damage}
    104111     \input{damage}
    105112\subsection{Lowest Astronomical Tide}
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