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A method for synergizing the information on sedimentary layer thickness obtained from microtremor measurements with the ‘ground truth’ borehole measurement is proposed for the purpose of seismic hazard reduction in urban areas that... more
A method for synergizing the information on sedimentary layer thickness obtained from microtremor measurements with the ‘ground truth’ borehole measurement is proposed for the purpose of seismic hazard reduction in urban areas that requires high-resolution near-surface geologic information. Traditionally many boreholes are required to obtain detailed information of sediment layers, which is time consuming and costly and in many cases not affordable for the research community. To reduce these constraints geostatistical data fusion of minimal borehole and more accessible microtremor surveys can be utilized to map the sedimentary layers at a high-resolution. Microtremor measurements can be conducted in urban areas whereas traditional methods of explosive and/or vibrating sources would not be acceptable. An existing collection of borehole data is available in Beijing area; nevertheless, it is still not enough to obtain comprehensive, high-resolution sedimentary thickness maps. In the su...
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ABSTRACT
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ABSTRACT