地震數目改變率的計算及應用

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姓名

林柏辰(Bo-chen Lin) 查詢紙本館藏

畢業系所

土木工程學系

論文名稱

地震數目改變率的計算及應用
(A study of the changing rate of earthquake number)

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摘要(中)

本論文提出ㄧ種計算地震活動變化的方法Acceleration Index (AI)應用於台灣地區，分析深度區間以及時間參數t0,t1,t2,∆tfor,∆tAfter的改變對於尋常值(Usual Mean)及近期平均值(Recent Mean)之影響，且透過AI map預測點之分布探討平均值之穩定性，最後並與PI方法作一對比。根據研究結果顯示，時間的調整有助於了解台灣地區地震發生之平均值， ∆tfor的選取決定了與大地震有關紀錄之剔除。

摘要(英)

In the thesis, we propose a method called the acceleration index (AI) calculate the variations of earthquake activities in Taiwan. We analyzed
the influence of different factors(t0,t1,t2,∆tfor,∆tAfter) to the usual mean and recent mean, and used the distribution of AI map pixels to discuss the stabilize of mean value. Finally, the AI method is compared with the PI method.
According to the results of the survey, the adjustment of the time t0 is helpful to realize the average value of occurrence of earthquakes in Taiwan. The relevant records of strong earthquakes can be eliminated based on the selection of the value of ∆tfor.

關鍵字(中)

★ 地震預測
★ 相對強渡
★ 圖案資訊

關鍵字(英)

★ earthquake forecast
★ relative intensity
★ pattern informatics

論文目次

目錄
摘要 I
圖目錄 VII
表目錄 VIIII
第一章　緒論 1
1.1　研究動機 1
1.2　研究內容 4
1.3　論文架構 4
第二章　研究方法 5
2.1　RI與PI預測 5
2.1.1　relative intensity (RI) 5
2.1.2　pattern informatics (PI) 6
2.2　ACCELERATION INDEX (AI)法的介紹 7
第三章　不同門檻值AI之分析 10
3.1　各深度區間之AI大於正的門檻值 16
3.1.1 深度區間0~400km與0~250km 17
3.1.2 深度區間0~100km 21
3.1.3 深度區間0~50km 24
3.1.4 深度區間0~30km 27
3.1.5 深度區間20km 30
3.2　AI小於負的門檻值 33
3.2.1　深度區間0~400km與0~250km 34
3.2.2　深度區間0~100km 37
3.2.3　深度區間0~50km 40
3.2.4　深度區間0~30km 43
3.2.5　深度區間0~20km 46
3.3　深度與門檻值之探討 49
3.3.1　各深度區間之AI分布 49
3.3.2　深深度區間20km，各層之AI分布 51
3.3.3　分析深度的選擇 53
3.3.4　門檻值的選擇 53
3.4　決定最終AI MAP 54
第四章　不同時間間隔平均值之探討 57
4.1　時間的改變 57
4.2　時間的改變 63
4.3　時間的改變 67
4.4　時間區間的改變 71
4.5　時間區間的改變 75
第五章結論與建議 79
5.1　結論 79
6.2　建議 80
參考文獻 82

參考文獻

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指導教授

李顯智(Hsien-chi Li)

審核日期

2007-7-20

推文