博碩士論文 102622017 詳細資訊




以作者查詢圖書館館藏 以作者查詢臺灣博碩士 以作者查詢全國書目 勘誤回報 、線上人數:236 、訪客IP:13.59.10.37
姓名 彭冠皓(Guan-Hao Peng)  查詢紙本館藏   畢業系所 地球科學學系
論文名稱 利用臨時地震網探討中央山脈東南段地震特性
(Seismicity characteristics in the southeastern Central Range of Taiwan from a temporary seismic network)
相關論文
★ 苗栗地區之重力研究★ 利用重力資料估算台灣海峽之莫霍面深度
★ 重力地形修正之探討★ 利用地磁資料探討磁暴現象
★ 大屯火山群之三維速度構造★ 屏東麓山帶之地震觀測
★ 利用線形地震陣列探討台灣中南部之二維構造★ 台灣中部二維密度構造之探討
★ 台東地區三維速度構造★ 利用重力資料探討台中盆地與埔里盆地之二維地下構造
★ 台灣地區全磁場時空變化之研究(1989-2004年)★ 遠近地震所引起地下水位變化之研究
★ 高屏地區重磁力測勘之初步結果★ 利用重磁資料初探北越地區之地下構造
★ 由雷利波頻散資料推研台灣海峽之地殼及上部地函構造★ 由表面波資料探討台灣及鄰近區域之地殼速度側向變化
檔案 [Endnote RIS 格式]    [Bibtex 格式]    [相關文章]   [文章引用]   [完整記錄]   [館藏目錄]   [檢視]  [下載]
  1. 本電子論文使用權限為同意立即開放。
  2. 已達開放權限電子全文僅授權使用者為學術研究之目的,進行個人非營利性質之檢索、閱讀、列印。
  3. 請遵守中華民國著作權法之相關規定,切勿任意重製、散佈、改作、轉貼、播送,以免觸法。

摘要(中) 台灣位於菲律賓海板塊與歐亞板塊的聚合邊界,碰撞造山形成現今的中央山脈,同時伴隨著許多地震。從中央氣象局地震觀測網地震目錄中,得知在中央山脈內,有一地震活動較低的地區稱為無震區 (Aseimic zone),位於東經121∘至121.5∘、北緯23∘至23.7∘。此區域地震站數量不似西部地震網密集,為進一步了解此區地震活動,本研究新增多個高解析度的臨時地震站,並聯合中央氣象局地震觀測站及中研院地球所寬頻地震站,進行地震及長微震定位。
本研究目視搜尋氣象局地震目錄未定位之地震,分別對氣象局ㄧ維速度模型(CWB1D)與中央山脈南段ㄧ維速度模型(Chen12),進行定位誤差討論,結果選定Chen12模型並進行定位。經由選定之誤差條件篩選後,最後挑選出581個氣象局地震目錄未定位之地震。與氣象局地震目錄型態大至相符,其中央山脈地震深度較淺為25公里以上,而花東縱谷與海岸山脈地震深度較深為20~50公里。中央山脈地震群集主要分布在:雙龍、玉山、利稻站附近。在本研究區域南邊,大水窟站與大分站周圍確實存在許多小規模地震。然而北邊23.6 ゚N仍呈現無震,因為此位置未設置地震站,故無法釐清是否為無法偵測小規模地震或溫度影響所致。
除了地震,本研究同時也觀測到許多非火山長微震 (non-volcanic tremor, NVT)。經由波包交相關(WECC)方法定位,其初步位置位於無震區北邊121゚E, 23.6゚N,與前人中央山脈南段非火山長微震震源區於120.8 ゚E,23.1 ゚N更為北邊0.5度。
綜合地震分布、非火山長微震分布、衰減值分布、磁力異常分布等結果,顯示研究區域北邊與南邊的岩性有所不同。本研究認為研究區域北邊岩石強度弱化而地震活動度極低,其高溫環境有利於長微震發生。而研究區域南邊確實有淺層微震活動,可能與熱構造活動或流體活動有關。

摘要(英) Taiwan is located in the boundary between the Philippine Sea and Eurasian plates. The Taiwan orogen is created by the collision between the continental shelf of the Eurasian plate and the oceanic crust of the Philippine sea plate. Currently, we have deployed 4 temporary seismic network in southeastern Central Range and combined with the earthquake data of the Central Weather Bureau of Taiwan (CWB) and Broadband Array in Taiwan for Seismology (BATS) to study the seismicity in this area.
Totally, there were 581 earthquake with good quality of location from June to November, 2013 which are not recorded by CWB. Comparing the distribution of earthquakes during the same time from records of CWB, the pattern is similar. In the past study, there is an aseismic zone in our study area. However, we found some small magnitude earthquakes near DFN and DSK station in the southern of study area. Meaning the increase of station can help us to get small earthquake to complete the catalog of seismicity even though in aseismic zone.
Besides, we also observed non-volcanic tremors (NVT). By using waveform envelope cross correlation method to locate 4 ambient tremors. The preliminary results is located at northern aseismic zone with the depth from 25 to 40 km. the source are more north of 0.5 degrees that compared with previous research in the southern Central Range.
Furthermore, discussion with prior researchers, Wang et al. (2010) indicated that aseismic zone belongs to high attenuation zone and Hsieh et al. (2014) indicated that aseismic zone have high geothermal gradient. Concluded above, the rock strength weakening in the northern study area, while the southern part although sensitive to high temperatures but still have shallow micro-seismicity that may cause by an active thermal structure or shallow fluid-related activities.
關鍵字(中) ★ 無震帶
★ 非火山長微震
關鍵字(英) ★ Aseismic zone
★ non-volcanic tremor
★ NVT
論文目次 中文摘要 i
英文摘要 ii
致謝 iii
目錄 iv
圖目錄 vii
表目錄 x
第一章 緒論 1
1.1. 研究動機 1
1.2. 研究目的 2
1.3. 本文內容 2
第二章 研究區域與前人研究 5
2.1. 研究區域地質概況 5
2.2. 火成岩體與熱液來源 7
2.3. 其他文獻回顧 8
第三章 研究方法與資料處理 22
3.1. 地震網介紹 22
3.2. 地震資料管理 23
3.3. 地震定位 25
3.3.1. 地震定位原理 25
3.3.2. 挑選到時與權重 27
3.3.3. 定位參數 27
3.4. 非火山長微震定位 28
3.4.1. 長微震定位原理 29
3.4.2. 波形處理與定位參數 30
3.4.3. 速度模型 30
3.4.4. 格點搜尋範圍及格點大小 31
3.4.5. 不確定性估計 31
第四章 結果與討論 42
4.1. 誤差討論 42
4.2. 規模之比較 44
4.3. 速度模型之比較 44
4.4. 地震活動分布 45
4.5. 長微震分布 48
4.6. 與前人研究之討論 50
4.6.1. 地震活動之討論 50
4.6.2. Q值衰減之討論 50
4.6.3. 磁力異常之討論 51
第五章 結論 86
參考文獻 87
參考文獻 Chuang, R. Y., Johnson, K. M., Wu, Y., Ching, K., & Kuo, L. (2013). A midcrustal ramp‐fault structure beneath the Taiwan tectonic wedge illuminated by the 2013 Nantou earthquake series. Geophysical Research Letters, 40(19), 5080-5084.
Hsieh, H., Chen, C., Lin, P., & Yen, H. (2014). Curie point depth from spectral analysis of magnetic data in Taiwan. Journal of Asian Earth Sciences, 90, 26-33.
Ide, S. (2012). Variety and spatial heterogeneity of tectonic tremor worldwide. Journal of Geophysical Research: Solid Earth (1978–2012), 117(B3)
Kao, H., Shan, S., Dragert, H., Rogers, G., Cassidy, J. F., & Ramachandran, K. (2005). A wide depth distribution of seismic tremors along the northern Cascadia margin. Nature, 436(7052), 841-844.
Kim, K., Chen, K., & Chiu, J. (2013). Three-dimensional structure of vp, vs and Vp/Vs beneath the active collision boundary of eastern Taiwan. Geophysical Journal International, , ggt397.
Kuo‐Chen, H., Wu, F. T., & Roecker, S. W. (2012). Three‐dimensional P velocity structures of the lithosphere beneath Taiwan from the analysis of TAIGER and related seismic data sets. Journal of Geophysical Research: Solid Earth (1978–2012), 117(B6)
Lee, C., Hirata, N., Huang, B., Huang, W., & Tsai, Y. (2009). Anomalous seismic attenuation along the plate collision boundary in southeastern Taiwan: Observations from a linear seismic array. Bulletin of the Seismological Society of America, 99(5), 2662-2680.
Lee, C., & Cheng, W. (1986). Preliminary heat flow measurements in Taiwan. Fourth Circum-Pacific Energy and Mineral Resources Conference, Singapore, 1-9.
Lee, C., Hirata, N., Huang, B., Huang, W., & Tsai, Y. (2010). Evidence of a highly attenuative aseismic zone in the active collision orogen of Taiwan. Tectonophysics, 489(1–4), 128-138.
Lin, C. (2002). Active continental subduction and crustal exhumation: The Taiwan orogeny. Terra Nova, 14(4), 281-287.
Pavlis, G. L., Vernon, F., Harvey, D., & Quinlan, D. (2004). The generalized earthquake-location (GENLOC) package: An earthquake-location library. Computers & Geosciences, 30(9–10), 1079-1091.
Tang, C., Peng, Z., Chao, K., Chen, C., & Lin, C. (2010). Detecting low‐frequency earthquakes within non‐volcanic tremor in southern Taiwan triggered by the 2005 Mw8.6 Nias earthquake. Geophysical Research Letters, 37(16)
Upton, P., Craw, D., Yu, B., & Chen, Y. (2011). Controls on fluid flow in transgressive orogens, Taiwan and new Zealand. Geological Society, London, Special Publications, 359(1), 249-265.
Wang, Y., Ma, K., Mouthereau, F., & Eberhart-Phillips, D. (2010). Three-dimensional qp-and qs-tomography beneath Taiwan orogenic belt: Implications for tectonic and thermal structure. Geophysical Journal International, 180(2), 891-910.
Wech, A. G., & Creager, K. C. (2008). Automated detection and location of Cascadia tremor. Geophysical Research Letters, 35(20)
Wu, Y., Chang, C., Zhao, L., Shyu, J. B. H., Chen, Y., Sieh, K. (2007). Seismic tomography of Taiwan: Improved constraints from a dense network of strong motion stations. Journal of Geophysical Research: Solid Earth (1978–2012), 112(B8)
Yamato, P., Mouthereau, F., & Burov, E. (2009). Taiwan mountain building: Insights from 2-D thermomechanical modelling of a rheologically stratified lithosphere. Geophysical Journal International, 176(1), 307-326.
Yen, H., Chen, C., Hsieh, H., Lin, C., Yeh, Y., Tsai, Y. (2009). Magnetic sur vey of Taiwan and its preliminary interpretations.
Yu, S., Chen, H., & Kuo, L. (1997). Velocity field of GPS stations in the Taiwan area. Tectonophysics, 274(1), 41-59.
何春蓀. (1986). 台灣地質概論-台灣地質圖說明書. 經濟部中央地質調查所,共163頁
呂婉瑄. (2010). 臺灣中央山脈向陽山至新康山地區變質火山岩之研究
景國恩. (2007). Kinematics of taiwan collision zone from GPS observations.
莊育菱. (2012). 台灣非火山長微震半自動化偵測系統. 臺灣師範大學地球科學系學位論文, 1-93.
陳奕敦. (2012). 台灣南部中央山脈之突發性孤立地震群特性探討
陳若豪. (2011). 中央山脈南段地震活動特性之探討
指導教授 顏宏元、郭陳澔(Horng-Yuan Yen Hao Kuo-Chen) 審核日期 2015-7-24
推文 facebook   plurk   twitter   funp   google   live   udn   HD   myshare   reddit   netvibes   friend   youpush   delicious   baidu   
網路書籤 Google bookmarks   del.icio.us   hemidemi   myshare   

若有論文相關問題,請聯絡國立中央大學圖書館推廣服務組 TEL:(03)422-7151轉57407,或E-mail聯絡  - 隱私權政策聲明