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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/82186

    Title: 運用陸上與海下大地電磁高密度探測進行台灣及附近區域地體構造解析之研究( II );Resolving Taiwan'S Tectonic Structures with the High Density Magnetotelluric Arrays( II )
    Authors: 張竝瑜
    Contributors: 國立中央大學地球科學學系
    Keywords: 大地電磁;池上斷層;反演算;監測站網;magnetotelluric;Chishang fault;inversion;dense arrays
    Date: 2020-01-13
    Issue Date: 2020-01-13 14:23:16 (UTC+8)
    Publisher: 科技部
    Abstract: 本計畫之目的為延續過去執行團隊執行兩岸地球科學合作計畫之成果,在四年的預定計畫期程內,針對台灣地區附近之地體構造,進行高密度大地電磁同時序陣列施測,希望運用高密度同時序的大地電磁資料,減小電磁雜訊干擾,對於地體結構,甚至地體運動之活躍性做出初步評估分析研究。由於池上斷層有相當明顯的斷層崖等特徵,另外由大地測量資料,在池上地區的大坡、錦園一帶有明顯地地表變形;間震之平均潛移速率為2-3cm/yr。因此最近國內地震、大地測量、地球物理探測各團隊,經意見交換後均將下一年度研究之重心,聚焦於此一斷層帶。因此我們預計本年度將於池上斷層區域進行陸上失策工作,而為補充大地電磁資料的空白,本計畫亦根據過去研究團隊開發陸上型大地電磁儀器之經驗,嘗試自製可以佈設於淺海環境之大地電磁儀。預計在後兩年投入於台灣海峽之大地電磁施測工作。以提供本地區可能地下深處構造與板塊碰撞機制研究參考。預計在計畫期程時間內,完成研究區與同時序大地電磁測站建立與資料採集工作,並完成資料分析與相關訊號處理與一維與二維反演算工作,協助分析本區域之地質構造關係。 ;In the study we plan to build the marine-Land magnetotelluric (MT) synchronized movable Arrays, as the USArray project in the United States and SinoProbe project in mainland China, for synchronized MT surveys in selected areas in both the Taiwan Strait and the western foothill of Taiwan within four years. Within limited budget scale, we plan to assemble and deploy MT synchronized array systems which are expected to have the power of flexible, modulized units that are easy to be repaired and exchanged in low costs. We have developed relative processing schemes and the software for dealing with the recorded raw data in our previous works. In our design of the land-based MT survey, we plan to conduct synchronized MT surveys in the Chishang Fault area is the eastern Taiwan, since a lot of the geophysical researches have cofused on the slow-creeping fault in these years. To better provide data from the missing marine area, we also plan to develop our MT systems for shallow marine explorations. It is our hope to resolve the detailed structure in the areas for better understanding the tectonic nature of this part of the Central to Southern Taiwan
    Relation: 財團法人國家實驗研究院科技政策研究與資訊中心
    Appears in Collections:[地球科學學系] 研究計畫

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