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篇名 |
Shallow Shear-Wave Velocity Structures of Strong-Motion Stations in the Kaohsiung-Pingtung Area Using Receiver Function Analysis
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並列篇名 |
Shallow Shear-Wave Velocity Structures of Strong-Motion Stations in the Kaohsiung-Pingtung Area Using Receiver Function Analysis |
作者 |
林哲民、郭俊翔、黃雋彥、思靜章、溫國樑 |
英文摘要 |
Kaohsiung City and Pingtung County are located in southern Taiwan and are bounded on the west side by several active faults. The shallow velocity structure of the thick alluvium basin in this area should be delineated to understand the seismic site effect of strong ground motion. The receiver function(RF) technique is a conventional method for studying the structure of the crust and the upper mantle beneath a seismometer. However, recently RF analysis of high-frequency acceleration seismograms has proven feasible for estimating shallow structures. This study applied the RF technique to the strong-motion records of almost one hundred TSMIP stations in the Kaohsiung-Pingtung area to estimate the shallow shear-wave velocity structures. The averaged RFs of all stations exhibit obvious variations because of different geologies and site conditions. After the forward modeling of RFs on the basis of a genetic algorithm(GA) search, the shallow shear-wave velocity structures beneath all the strong-motion stations in the Kaohsiung-Pingtung area were estimated to delineate the isovelocity contour maps of the main formation interfaces and produce a preliminary shallow 3D velocity model. |
起訖頁 |
13-16 |
關鍵詞 |
Receiver Function、strong-motion station、shear-wave velocity、Kaohsiung、Pingtung |
刊名 |
NCREE Research Programs and Accomplishments |
期數 |
2016 (2015期) |
出版單位 |
財團法人國家實驗研究院國家地震工程研究中心
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該期刊-上一篇 |
An Important Update for the Engineering Geological Database for TSMIP |
該期刊-下一篇 |
Site Correction of a High-Frequency Strong-Ground-Motion Simulation Based on an Empirical Transfer Function |
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