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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
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dc.contributor.advisor | 吳逸民(Yih-Min Wu) | |
dc.contributor.author | Xiao-Yu Jiang | en |
dc.contributor.author | 蔣小羽 | zh_TW |
dc.date.accessioned | 2021-05-13T06:39:05Z | - |
dc.date.available | 2019-08-25 | |
dc.date.available | 2021-05-13T06:39:05Z | - |
dc.date.copyright | 2017-08-25 | |
dc.date.issued | 2017 | |
dc.date.submitted | 2017-08-16 | |
dc.identifier.citation | Amitrano, D., 2003. Brittle-ductile transition and associated seismicity: Experimental and numerical studies and relationship with the b value. Journal of Geophysical Research, 108(BI), 2044.
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/2307 | - |
dc.description.abstract | 臺灣位於板塊邊界,地震活動相當頻繁,為了能夠減輕大地震所帶來的危害,研究其發震構造就顯得尤為重要,其中孕震深度在很大程度上控制著地震的大小,對於地震學研究有著重大的意義。岩層在累積受力超過其彈性限度後釋放其累積應力能量導致岩層快速破裂錯動進而引起地震。由於岩性、溫度、壓力等多因素的影響,在某一深度後,岩石會由脆性向塑性發生轉變,變得難以累積應力能量,地震次數就會減少,這一深度即可作為孕震深度。本研究使用臺灣地區1990年至2015年重新定位後的地震目錄資料,用D95的方法描繪出了台灣地區孕震深度在空間上的變化。由於臺灣地質構造的特殊性,本研究對孕震深度的探討分為淺部與深部,淺部的孕震深度表現在岩石脆-塑性轉變帶,深部的孕震深度則可表現出隱沒板塊的板塊介面。本研究在對淺部孕震深度的研究中引入了b值,b值大小不僅僅能反映大小地震之間的比例關係,也在一定程度上受地溫和應力形式等條件的影響,本研究分區域繪製了b值隨深度的變化圖,發現b值在岩石從脆性向塑性轉變的深度會有明顯的低值,其變化可以反映出臺灣造山帶的地殼流變性。 | zh_TW |
dc.description.provenance | Made available in DSpace on 2021-05-13T06:39:05Z (GMT). No. of bitstreams: 1 ntu-106-R04224115-1.pdf: 3748946 bytes, checksum: 690f8dff28391eed273c42a350255ef8 (MD5) Previous issue date: 2017 | en |
dc.description.tableofcontents | 論文口試委員審定書........................I
中文摘要.................................II Abstract................................III 目錄.....................................IV 圖目錄...................................VI 表目錄...................................VII 第一章 緒論..............................1 1.1 研究背景與動機....................1 1.2 研究目的.........................3 第二章 文獻回顧...........................4 2.1 臺灣地區構造......................4 2.2 地震的成因........................7 2.2.1 斷層與淺部地震的生成.........7 2.2.2 隱沒板塊與深震的生成.........7 2.3 孕震深度..........................8 2.4 b值...............................9 第三章 研究資料與研究方法...................10 3.1 研究資料來源與選取.................10 3.1.1 資料來源....................10 3.1.2 淺部地震資料的選取...........10 3.1.3 深部地震資料選取.............13 3.1.4 計算b值所用的地震資料.........13 3.2 D95方法介紹........................14 3.3 b值回歸方法........................14 第四章 研究成果與分析討論...................16 4.1 淺部D95深度成果....................16 4.2 深部D95深度成果....................17 4.3 規模6以上的地震震源深度與孕震深度的關係..19 4.4 構造剖面...........................23 4.4.1 東北部隱沒剖面...............23 4.4.2 南部隱沒剖面.................24 4.4.3 中部山脈淺部孕震構造..........26 4.4.4 西部地區淺部孕震構造..........27 4.4.5 東部海域淺部孕震構造..........28 4.5 b值隨深度的變化....................29 4.5.1 不同區域b值隨深度變化.........29 4.5.2 全臺灣b值在不同深度範圍的變化..32 第五章 結論................................35 參考文獻...................................36 附錄A 震源深度隨時間的分佈示意圖.............39 | |
dc.language.iso | zh-TW | |
dc.title | 台灣地區孕震深度及b值的研究 | zh_TW |
dc.title | A study of the seismogenic thickness and b values in Taiwan | en |
dc.type | Thesis | |
dc.date.schoolyear | 105-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 張建興,黃信樺,吳文男 | |
dc.subject.keyword | 孕震深度,D95,脆塑性轉變帶,b值, | zh_TW |
dc.subject.keyword | seismogenic thickness,D95,brittle-ductile transition,b value, | en |
dc.relation.page | 40 | |
dc.identifier.doi | 10.6342/NTU201703409 | |
dc.rights.note | 同意授權(全球公開) | |
dc.date.accepted | 2017-08-17 | |
dc.contributor.author-college | 理學院 | zh_TW |
dc.contributor.author-dept | 地質科學研究所 | zh_TW |
顯示於系所單位: | 地質科學系 |
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