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1 | This report has described the impact to Onslow from a tsunami |
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2 | generated by a Mw 9 earthquake on the Sunda Arc subduction zone |
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3 | occurring at Mean Sea Level. |
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4 | There is no knowledge of the return period for this event. The |
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5 | modelling methodology, assumptions and data sources which are |
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6 | required to determine the impact to Onslow have also |
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7 | been described. |
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8 | As discussed in Section \ref{sec:issues}, it is imperative |
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9 | that the best available data is used to increase confidence |
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10 | in the inundation maps. It is not yet clear what onshore grid resolution |
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11 | is required. |
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12 | These scenarios will be revisited once the probabilistic models |
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13 | are complete so that a suite of tsunami impact assessments can be made. |
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14 | |
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15 | Future activities to support the impact studies on the North West Shelf |
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16 | include: |
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17 | |
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18 | \begin{itemize} |
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19 | \item Sourcing of data sets |
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20 | \item Investigation of solution sensitivity to cell resolution, |
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21 | bathymetry and tsunami source uncertainties |
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22 | \item Location of boundary for simulation study area |
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23 | \item Investigation of friction coefficients |
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24 | \end{itemize} |
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25 | |
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26 | |
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