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Student Number 86224007
Author Yo-Yu Wu(吳酉艅)
Author's Email Address No Public.
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Department Graduate Institute of Geophysics
Year 2000
Semester 2
Degree Master
Type of Document Master's Thesis
Language zh-TW.Big5 Chinese
Title The Study of Magnetic Storm by Taiwan Magnetometer Network
Date of Defense 2001-07-20
Page Count 57
Keyword
  • magnetic storm
  • Abstract 本論文利用中央研究院地球科學研究所提供:自1988至2000年,全台八個磁力連續觀測記錄站所記錄的磁力資料,探討期間所發生的磁暴現象。在本重磁實驗室所整理歸納的磁力圖上選取十一個磁暴,並依各磁暴特性,在磁暴時間內任意選取峰值與谷值,將各磁暴分為四段研究。
    利用各站在磁暴發生時四段差值資料畫出四段折線圖,可比較各測站之差別:磁暴發生時,緯度較低的測站出現磁力記錄變化較大的結果。關係大致為:HC>TT>TW、YL>LY>HL>LP>NC。緯度接近的測站中,崙坪站(LP)大於內城站(NC),鯉魚潭站(LY)大於花蓮站(HL),可說明台灣西部測站較東部測站對磁暴有較大的效應。
    比較磁力資料較多的測站,以崙坪站(LP)為基準,分別與內城站(NC)及台東站(TT)比較。選取五個磁暴共二十筆差值,將兩站差值分別當作X、Y座標,其關係成為一直線。LP vs NC:Y=0.92X-5.92
    LP vs TT:Y=1.20X-1.46 運用兩站線性關係式,以崙坪站為基準反推另一站的磁力記錄,將反推資料畫圖與原觀測資料畫圖做比較,發現有不錯的擬合結果。再將反推資料與觀測資料相減可得到差值圖,其誤差最小可達5nT以下。若測站無資料,可以利用此法來補足中斷的資料。若原有資料,也可以研究誤差的原因。
    Table of Content 論文提要………………………………………………………………I
    謝誌…………………………………………………………………..II
    目錄…………………………………………………………………..III
    圖目錄………………………………………………………………..V
    表目錄……………………………………………………………..…VI
    第一章緒論…………………………………………………………….1
    1-1 研究動機與目的…………………………………………1
    1-2 文獻回顧…………………………………………………2
    1-3內容簡介………………………………………………….3
    第二章地磁觀測……………………………………………………….4
    2-1 地球磁場…………………………………………………4
    2.1.1地磁場基本單位向量…………………………………..4
    2.1.2 磁力單位……………………………………………….5
    2-2地磁變化………………………………………………….6
    2.2.1源於地球內部主磁場的長週期變化………………..…6
    2.2.2 外磁場的短週期變化……………………………….…7
    2.2.3磁暴……………………………………………………..7
    III
    2-3 地磁觀測站……………………………………………..8
    2-4使用儀器………………………………………………..11
    2-5 使用資料……………………………………………….13
    第三章磁暴與研究方法 ……………………………………………14 3-1 磁暴簡介……………………………………………….14
    3-2 磁暴選取……………………………………………….17
    3-3 磁暴研究方法………………………………………….19
    3.3.1 磁暴分段方式……………………………………….19
    3.3.2 磁暴分段時間……………………………………...20
    3.3.3 磁暴圖與折線圖…………………………………….21
    第四章 研究成果…………………………………………………….34
    4-1 磁暴圖與折線圖之分析……………………………….34
    4-2 兩站關係……………………………………………….41
    4-3 模擬與反推…………………………………………….45
    4.3.1 反推圖與差值圖…………………………………...45
    4.3.2反推圖與差值圖之分析……………………………..46
    第五章 結論………………………………………………………….54
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    陳洲生, 地球物理探勘實習,3.1 質子磁力法.
    Advisor
  • Horng-Yuan Yen(顏宏元)
  • Files
  • 86224007.pdf
  • approve immediately
    Date of Submission 2001-07-20

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