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系統識別號 U0026-0802201216252200
論文名稱(中文) 2010年極低頻磁場波型量測分析應用於高空短暫發光現象之極性統計
論文名稱(英文) Sferic Analysis of 2010 ELF Magnetic Field Measurement and Its Application on The Statistics of The TLE Polarity
校院名稱 成功大學
系所名稱(中) 太空天文與電漿科學研究所
系所名稱(英) Assistant, Institute of Space, Astrophysical and Plasma Sciences(ISAPS)
學年度 100
學期 1
出版年 101
研究生(中文) 黃鵬宇
研究生(英文) Peng-Yu Huang
學號 LA6981028
學位類別 碩士
語文別 中文
論文頁數 103頁
口試委員 指導教授-陳炳志
口試委員-蘇漢宗
口試委員-趙吉光
中文關鍵字 極低頻磁場量測  閃電  高空短暫發光現象  高空大氣閃電影像儀 
英文關鍵字 ELF electromagnetic field measurement  Lightning  Transient Luminous Events(TLEs)  Imager of Sprite and Upper Atmospheric Lightning(ISUAL) 
學科別分類
中文摘要 極低頻波段的電磁場訊號量測,是一項能夠用來長期、全球性監控閃電活動的方法。但是連續紀錄下累積的龐大波形資料,除了單一事件比對,很難達成系統性統計分析。在本論文中,我們發展了一套演算法,自波型訊號中擷取與處理瞬變事件訊號,希望能夠達到資料即時處理、動態調整與高效率的目標,將得到的電磁參數建立成為極低頻瞬變事件資料庫,以進行進一步的統計分析。
本論文中使用了成功大學鹿林山極低頻磁場量測站的觀測資料進行處理,並建立了瞬變事件資料庫,資料區間從2010年3月至2011年2月,在一整年完整的資料中,我們發現鹿林測站所記錄的瞬變事件發生率和台灣周圍的天氣變化存在高度的相關性,反而全球性的變化特徵並不明顯。這也顯示了鹿林測站的偵測能力和距離也具有相關性,這點在本論文中,透過全球閃電定位網路(WWLLN)獲得驗證。結合目前全球唯一在太空中對高空短暫發光現象(TLE) 作長期性、全球性觀測的衛星酬載─福衛二號高空大氣閃電影像儀(ISUAL)之資料,我們進一步的由瞬變事件資料庫中得到高空短暫發光現象的放電極性。
在一年資料的比對分析中,我們發現紅色精靈的確與正閃電有高度的相關性,並且在這年的資料中辨認了四個由負閃電所觸發的紅色精靈,所得到的負極性紅色精靈比例已經高於之前地面觀測所得到的結果,值得進一步的分析。觸發淘氣精靈的正、負閃電極性比例約為45比55,但是一般閃電中正、負極性的比例約為1比10。由於淘氣精靈必須由強閃電所觸發,因此,這樣的結果可以顯示正閃電強度一般來說比負閃電來得強。在精靈暈盤的閃電極性分析中,我們發現接近2/3的事件是由負閃電所觸發,顯示出精靈暈盤與負閃電可能有關連性。
英文摘要 The electromagnetic field measurement at the band-pass of extremely low frequency (ELF) is the only way to monitor the long-term lightning activities globally. In addition to the single event analysis, huge amount data collected by this continuous recording system become a challenge to pick up and process the transients’ signal buried in systemmatically. In this work, we develop an efficient, adaptive and real-time algorithm to extract and process the transient events from the raw sferic data and to construct a transient event database with their electromagnetic parameters for further analysis.
The data recorded by the NCKU Lulin ELF station between March 2010 and February 2011 is used in this work. After the ELF transient database is construced, we find that the transient occurrence rate recorded by Lulin station shows a strong association with the features of local, not global, climate. This result also hints that the detection efficiency of Lulin station is distance dependent, and it is also verified by direct comparison with the WWLLN database.
The polarity of the TLEs are dertermined by analyzing coincident events with the ISUAL TLE database. We notice that there is a highly correlation between the sprite and the +CG as literatures reported, and 4 –CG sprites out of 107 are recognized respectively. This ratio of 4.4% is greater than the previous result of less than 1% obtained by ground observations in the past years. The ratio of –CG and +CG elves derived in this work is approximately 45:55, but the ratio of –CG and +CG of lightning is about 1:10 generally. This interesting result implies that the average intensity of +CG is probably greater than –CG owing to elves are triggered by the lightning with high peak current typically. We also find that 2/3 halos are associated with –CG strokes. Therefore, it might exist a dependency between halos and –CG lightnings.
論文目次 摘 要 i
Abstract ii
致 謝 iii
目 錄 iv
圖目錄 vi
表目錄 ix
1. 第一章 簡介 1
1.1 大域電路 1
1.2 閃電簡介與分類 2
1.3 高空短暫發光現象 6
1.3.1 紅色精靈 8
1.3.2 精靈暈盤 10
1.3.3 淘氣精靈 11
1.4 TLE的觀測 12
1.5 TLE 資料來源 15
1.6 TLE 的發生率及全球分布 19
2 第二章 閃電的極低頻磁場訊號量測 22
2.1 閃電電磁場訊號概述 22
2.2 閃電極低頻磁場訊號量測系統 26
3 第三章 極低頻磁場訊號演算法 32
3.1 波型訊號擷取、濾波及雜訊處理 33
3.2 瞬變事件峰值點 36
3.3 多重放電或單一放電判斷 38
3.4 電性參數計算 39
3.4.1 微分法求瞬變事件時間 39
3.4.2 瞬變事件上升及下降時間常數 43
3.4.3 定義瞬變事件時間長度 44
3.5 瞬變事件資料庫 44
3.5.1 ELF磁場訊號檔案索引資料庫 44
3.5.2 環境背景資料庫 45
3.5.3 瞬變事件資料庫 45
4 第四章 科學分析結果 47
4.1 鹿林山極低頻磁場量測站環境背景強度變化 47
4.2 有效瞬變事件的時變統計 52
4.3 鹿林ELF測站之偵測距離統計分析 54
4.4 與ISUAL TLE事件資料庫的比對分析 56
4.4.1 事件極性判定 57
4.4.2 ISUAL TLE與ELF瞬變事件的共同事件篩選 58
4.4.3 紅色精靈的閃電極性分析 60
4.4.4 淘氣精靈的閃電極性分析 67
4.4.5 精靈暈盤的閃電極性分析 68
5 第五章 結論與未來展望 69
6 參考文獻 72
附錄A 78
附錄B 106
1. 磁場訊號檔案索引資料庫 106
2. 環境背景資料庫 107
3. 瞬變事件資料庫 108
參考文獻 Barrington-Leigh, C. P. and U. S. Inan (1999), Elves triggered by positive and negative lightning discharges, Geophys. Res. Lett., 26, 683-686.

Barrington-Leigh, C. P., U. S. Inan, and M. Stanley (2001), Identification of sprites and elves with intensified video and broadband array photometry, J. Geophys. Res., 106, 1741–1750, doi:10.1029/2000JA000073.

Bering, E.A., III, E. Wescott, L. Bhusal, J. R. Benbrook, A. Jackson, D. Moudry, D. D. Sentman, H. Nielsen-Stenbaek, J. Garrett, and W. A. Lyons (2004), Observations of transient luminous events (TLEs) associated with negative cloud to ground (-CG) lightning strokes. Geophys. Res. Lett., 31, L05104.

Blanc, E., T. Farges, R. Roche, D. Brebion, T. Hua, A. Labarthe, and V. Melnikov (2004), Nadir observations of sprites from the International Space Station, J. Geophys. Res., 109, A02306, doi:10.1029/2003JA009972.

Boccippio, D. J., C. Wong, E. Williams, R. Boldi, H. Christian, and S. Goodman (1998), Global validation of single-station schumann resonance lightning location, J. Atmos. Sol. Terr. Phys., 60, 701.

Boeck, W. L., O. H. Vaughan, Jr., R. Blakslee, B. Vonnegut, and M. Brook (1992), Lightning induced brightening in the airglow layer, Geophys. Res. Lett., 19, 99-102.

Boeck, W. L., O. H. Vaughan Jr., R. J. Blakeslee, B. Vonnegut, M. Brook, and J. McKune (1995), Observations of lightning in the stratosphere, J. Geophys. Res., 100(D1), 1465–1475, doi:10.1029/94JD02432.

Burke, C. P. and D. L. Jones (1992), An experimental investigation of ELF attenuation rates in the earth-ionosphere duct, J. Atmos. Terr. Phys., 54, 243.

Burke, C. P. and D. L. Jones (1995), Global radio location in the lower ELF frequency band, J. Geophys. Res., 100, 26, 263.

Chen, A. B., C. L. Kuo, Y. J. Lee, H. T. Su, R. R. Hsu, J. L. Chern, H. U. Frey, S. B. Mende, Y. Takahashi, H. Fukunishi, Y. S. Chang, T. Y. Liu, and L. C. Lee (2008), Global distributions and occurrence rates of transient luminous events, J. Geophys. Res., 113, A08306, doi:10.1029/2008JA013101.

Chen, A. B., P. Y. Huang, S. M. Huang, C. L. Kuo, R. R. Hsu, H.T. Su, and L.C. Lee (2011), The characteristics of the sferics recorded by the NCKU ELF systems between March 2010 and February 2011-preliminary results, AGU Fall Meeting 2011, AE21A-0225.

Chern, J. L., R. R. Hsu , H. T. Su, S. B. Mende , H. Fukunishi, Y. Takahashi, and L. C. Lee (2003), Global survey of upper atmospheric transient luminous events on the ROCSAT-2 satellite, J. Atmos. Sol. Terr. Phys., 65(5), 647-659, doi: 10.1016/S1364-6826(02)00317-6.

Christian, H. J., R. J. Blakeslee, D. J. Boccippio, W. L. Boeck, D. E. Buechler, K. T. Driscoll, S. J. Goodman, J. M. Hall, W. J. Koshak, D. M. Mach, and M. F. Stewart (2003), Global frequency and distribution of lightning as observed from space by the Optical Transient Detector, J. Geophys. Res., 108(D1), 4005, doi:10.1029/2002JD002347.

Cummer, S. A. and M. Füllekrug (2001), Unusually intense continuing current in lightning produces delayed mesosphereic breakdown, Geophys. Res. Lett., 28, 495.

Davies, K. (1990), Ionospheric radio, Peter Peregrinus, London.

Franz, R. C., R. J. Nemzek, and J. R. Winckler (1990), Television image of a large upward electrical discharge above a thunderstorm system, Science, 249, 48, doi: 10.1126/science.249.4964.48.

Frey, H. U., S. B. Mende, S. A. Cummer, A. B. Chen, R. R. Hsu, H. T. Su, Y. S. Chang, T. Adachi, H. Fukunishi, and Y. Takahashi (2005), Beta-type stepped leader of elve-producing lightning, Geophys. Res. Lett., 32, L13824, doi:10.1029/2005GL023080.

Frey, H. U., S. B. Mende, S. A. Cummer, J. Li, T. Adachi, H. Fukunishi, Y. Takahashi, A. B. Chen, R. R. Hsu, H. T. Su, and Y. S. Chang (2007), Halos generated by negative cloud-to-ground lightning, Geophys. Res. Lett., 34, L18801, doi:10.1029/2007GL030908.

Fukunishi, H., Y. Takahashi, M. Kubota, K. Sakanoi, U. S. Inan, and W. A. Lyons (1996), Elves: lightning‐induced transient luminous events in the lower ionosphere, Geophys. Res. Lett., 23(16), 2157–2160, doi:10.1029/96GL01979.

Hale, L. C. (2002), Origin of big DC electric fields in the mesosphere, Adv. Space Res., 30, 2607-2612.

Huang, E., E. Williams, R. Boldi, S. Heckman, W. Lyons, M. Taylor, T. Nelson, and C. Wong (1999), Criteria for sprites and elves based on Schumann resonance observations, J. Geophys. Res., 104(D14), 16,943–16,964, doi:10.1029/1999JD900139.

Huang, S. M., A. B. Chen, G. L. Yang, C. J. Hsu, C. L. Kuo, R. R. Hsu, S. A. Cummer, Y. Takahashi, and H. T. Su (2010), Radio Emission Recording Systems at NCKU-Taiwan, 2010 Asia-Pacific Radio Science Conference, GP-7.

Inan, U. S., T. F. Bell, and J. V. Rodriguez (1991), Heating and ionization of the lower ionosphere by lightning, Geophys. Res. Lett., 18(4), 705–708, doi:10.1029/91GL00364.

Jones, D. L. and D. T. Kemp (1971), The nature and average magnitude of the sources of transient excitation of the Schumann resonances, J. Atmos. Terr. Phys., 33, 557.

Krehbiel, P. R. (1986), The electrical structure of thunderstorms in the earth’s electrical environment, eds. E. P. Krider and P. G. Roble, pp. 90, Washington, DC, National Academy Press.

Lyons, A. and E. R. Williams (2003), Preliminary investigations of the phenomenology of cloud-to-stratosphere lightning discharges. Preprints, 17th Conf. on Atmospheric Electricity, St. Louis, MO, Amer. Meteor. Soc., 725–732.

MacKenzie, T. and H. Toynbee (1886), Meteorological phenomena, Nature, 33, 26.

Mackerras, D. (1985), Automatic short-range measurement of the cloud flash to ground flash ratio in thunderstorms, J. Geophys. Res., 90(D4), 6195–6201, doi:10.1029/JD090iD04p06195.

Mende, S. B., H. U. Frey, R. L. Rairden, H. T. Su, R. R. Hsu, T. H. Allen, T. Neubert, E. A. Gerken, and U. S. Inan (2002), Fine structure of sprites and proposed global observations, Space Weather Study using Multipoint Techniques, 12, 275-282, doi: 10.1016/S0964-2749(02)80229-3.

Nickolaenko, A. P. and M. Hayakawa (2002), Resonances in the earth-ionosphere cavity, Springer.

Orville, R. E., G. R. Huffines, R. B. William, L. H. Ronald, and L. C. Cummins (2002), The north american lightning detection network (NALDN)—first results: 1998–2000, Monthly Weather Review, 139, 5, 1305-1322.

Pasko, V. P., U. S. Inan, and T. F. Bell (1996), Sprites as luminous columns of ionization produced by quasi-electrostatic thundercloud fields, Geophys. Res. Lett., 23, 649.

Rakov, V.A and M. A.Uman (2003), Lightning physics and Effect, Cambridge University Press.

Sato, M. (2003), Global lightning and sprite activities and their solar activity dependences, PhD Thesis, Department of Geophysics, Tohoku University.

Sato, M., Y. Takahashi, A. Yoshida, and T. Adachi (2008), Global distribution of intense lightning discharges and their seasonal variations. J. Phys. D: Appl. Phys., 41, 234011.

Sentman, D. D., E. M. Wescott, D. L. Osborne, D. L. Hampton, and M. J. Heavner (1995), Preliminary results from the Sprites94 Aircraft Campaign: 1. Red sprites, Geophys. Res. Lett., 22(10), 1205–1208, doi:10.1029/95GL00583.

Stenbaek-Nielsen, H. C. and M. G. McHarg (2008), High time-resolution sprite imaging: observations and implications, J. Phys. D: Appl. Phys., 41, 234009.

Su, H. T., R. R. Hsu, A. B. Chen, Y. J. Lee, and L. C. Lee (2002), Observations of sprites over the Asian continent and over oceans around Taiwan, Geophys. Res. Lett., 29(4), 10.1029/2001GL013737.

Su, H. T., R. R. Hsu, A. B. Chen, Y. C. Wang, W. S. Hsiao, W. C. Lai, L. C. Lee, M. Sato, and H. Fukunishi (2003), Gigantic jets between a thundercloud and the ionosphere, Nature, 423, 974.

Su, H. T., T. Huang, C. Kuo, A. B. Chen, R. R. Hsu, S. B. Mende, H. U. Frey, H. Fukunishi, Y. Takahashi, and L. Lee (2004), Global distribution of TLEs based on the preliminary ISUAL data , AGU Fall Meeting Abstracts, AE51A-03.

Taylor, W. L. and K. Sao (1970), ELF attenuation rates and phase velocities observed from slow-tail components of atmospherics, Radio Sci., 5, 1453.

Tsai, L.Y., S. M. Huang, A. B. Chen, S. C. Chang, J. K. Chou, C. M. Chen, H. T. Su, R. R. Hsu, C. L. Kuo, C. C. Wu, P. S. Lin, R. Holzworth, H. Frey, S. B. Mende, Y. Takahashi, and L. C. Lee (2009), Blue jets over tropical cyclones, AGU Chapman Conference on the Effects of Thunderstorms and Lightning in the Upper Atmosphere, abstract# OTL-12.

Weidman, C. D. and E. P. Krider (1986), The amplitude spectra of lightning radiation fields in the interval from 1 to 20 MHz, Radio Sci., 21, 964-970.

Wescott, E. M., D. D. Sentman, D. L. Osborne, D. L. Hampton, and M. J. Heavner (1995), Preliminary results from the Sprites94 Aircraft Campaign: Blue Jets, Geophys. Res. Lett., 22(10), 1209-1212.

Wescott, E. M., D. D. Sentman, M. J. Heavner, D. L. Hampton, W. A. Lyons, and T. E. Nelson (1998), Observations of ‘columniform’ sprites, J. Atmos. Sol. Terr. Phys., 60, 733-40.

Williams, E. R. (1998), The positive charge reservoir for sprite-producing lightning, J. Atmos. Sol. Terr. Phys., 60, 689-692.

Williams, E. R., E. Downes, R. Boldi, W. Lyons, and S. Hechman (2007), Polarity asymmetry of sprite-producing lightning: a paradox?, Radio Sci., 42, RS2S17, doi:10.1029/2006RS003488.

Wilson, C. T. R. (1925), The electric field of a thundercloud and some of its effects, Proc. Roy. Soc. London, 37, 32D.

World Wide Lightning Location Network, http://wwlln.net/.

Yair, Y., C. Price, Z. Levin, J. Joseph, P. Israelevitch, A. Devir, M. Moalem, B. Ziv and M. Asfur (2003), Sprite observations from the space shuttle during the Mediterranean Israeli Dust Experiment (MEIDEX), J. Atmos. Sol. Terr. Phys., 65, 635-642.

Yamamoto, M. Y., S. Okamoto, T. Miyoshi,Y. Takamura, A. Aoshima, and J. Hinokuchi (2010), TLE triangulation campaign by Japanese high school students as a space educational project of the Ssh Consortium Kochi, 38th COSPAR Scientific Assembly.

Yukihiro, T. and Y. Kazuya (2009), SPRITE-SAT, 7th IAA Symposium on Small Satellites for Earth Observation, IAA-B7-0203.

Ziegler, C. L., D. R. MacGorman, J. E. Dye, and P. S. Ray (1991), A model evaluation of noninductive graupel-ice charging in the early electrification of a mountain thunderstorm, J. Geophys. Res., 96(D7), 12,833–12,855, doi:10.1029/91JD01246.

郭政靈,福衛二號科學酬載所觀測到的sprites以及elves的分析,國立成功大學物理研究所博士論文 (2007)。

許長仁,BF-4極低頻天線校正及閃電電荷矩計算,國立成功大學物理研究所碩士論文 (2009)。
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