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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/45524

Title: Geoelectrical image of the subsurface for CO2 geological storage in the Changhua site, Taiwan, Fall Meeting, San Francisco, USA
Authors: Chiang, C. W;Chiao, C. H;Yang, M. W;Yu, C. W;Yang, C. H;Chen, C. C.
Contributors: 國立臺灣海洋大學:應用地球科學研究所
Date: 2016
Issue Date: 2018-03-22T07:35:06Z
Publisher: American Geophysical Union,
Abstract: Abstract:Global warming has recently become an important worldwide issue. Reduction of carbon dioxide (CO2) emission is recommended by Intergovernmental Panel on Climate Change, which geological storage is one of possible way to reduce the CO2 issue. The Taichung Power Plant is a coal-fired power plant operated by the Taiwan Power Company in Taichung, Taiwan, which is the largest coal-fired power station in the world. The power plant emits approximately 40 million tons annually which is also the world's largest CO2 emitter. Geophysical techniques are presented as the most useful tool to characterize the reservoir. The electrical resistivity tool was carried out applying audio-magnetotelluric (AMT) method, which could provide the depth resolution for evaluating the subsurface. A first survey of 20 AMT soundings was acquired to study the viability of the method to characterize the subsurface. Stations were deployed at approximately 500 m intervals and the data were recorded in the frequency range of 104-100 Hz. The dimensionality analysis proved the validity of the 1-D or 2-D assumption. The visualized model shows a layered electrical resistivity structure from shallow to depth of 3000 m. The preliminary result corresponds to seismic reflection and geological investigations that suggests a simple geological structure without complex geological processes in the area. It could be a suitable site for geological storage.
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/45524
Appears in Collections:[應用地球科學研究所] 演講及研討會

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