A Transdimensional Map of Australian Moho Earthquake of the Week Thomas Bodin 28 Oct 2011

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  • Slide 1
  • A Transdimensional Map of Australian Moho Earthquake of the Week Thomas Bodin 28 Oct 2011
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  • The Moho
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  • Different Types of Measures Reflection Refraction (no point measures along lines) Broadband Receiver Functions High Frequency Receiver Functions Tomography Historical seismicity Gravity
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  • AusMoho Different issues 1.Levels of noise ? 2. Irregular distribution of data 3. Moho depth varibility is variable 4. Sharp discontinuities may be have been smoothed Surface fitting with Splines
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  • A Transdimensional Ensemble Solution
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  • A Probabilistic Formulation Moho Depth P(Moho Depth |data)
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  • Expected values Average MapMap of Sdt Deviation
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  • Different Ways to Look at the Solution Average Map
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  • Different Ways to Look at the Solution Arithmetic Mean Harmonic Mean Median Maximum
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  • Inferred levels of Data Uncertainties
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  • Skewness (3 rd Order Moment)
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  • Kurtosis (4 th order moment) Log(Kurtosis)
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  • Map of correlation between one pixel and all the other pixels
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  • Limits of Non-linear Bayesian Inference. Example with weather forecast
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  • Limits of Non-linear Bayesian Inference.