Search Results - "Chen, Alfred B."

Lower ionospheric resonance caused by Pekeris wave induced by 2022 Tonga volcanic eruption by Ohya, Hiroyo, Tsuchiya, Fuminori, Takamura, Tamio, Shinagawa, Hiroyuki, Takahashi, Yukihiro, Chen, Alfred B.

“…The submarine volcano Hunga Tonga–Hunga Ha’apai erupted explosively on January 15, 2022, offering a unique opportunity to investigate interactions between the…”
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On the Causative Strokes of Halos Observed by ISUAL in the Vicinity of North America by Lu, Gaopeng, Yu, Bingkun, Cummer, Steven A., Peng, Kang‐Ming, Chen, Alfred B., Lyu, Fanchao, Xue, Xianghui, Liu, Fei, Hsu, Rue‐Ron, Su, Han‐Tzong

“…The analysis of impulse charge moment change (iCMC) for the parent lightning strokes of 497 halos observed by the Imager of Sprites and Upper Atmospheric…”
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Global distributions and occurrence rates of transient luminous events by Chen, Alfred B., Kuo, Cheng-Ling, Lee, Yi-Jen, Su, Han-Tzong, Hsu, Rue-Ron, Chern, Jyh-Long, Frey, Harald U., Mende, Stephen B., Takahashi, Yukihiro, Fukunishi, Hiroshi, Chang, Yeou-Shin, Liu, Tie-Yue, Lee, Lou-Chuang

“…We report the global transient luminous event (TLE) distributions and rates based on the Imager of Sprites and Upper Atmospheric Lightning (ISUAL) experiment…”
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The effect of surface contamination of tiny satellite on DC probe ionosphere measurement by Fang, H. K., Chen, W. H., Chen, Alfred B., Oyama, K.-I.

“…The DC Langmuir probe is a widely-used instrument for the plasma measurement in the space missions. But to apply DC Langmuir probe to a tiny satellite, such as…”
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Analysis of lightning strokes associated with sprites observed by ISUAL in the vicinity of North America by Lu, Gaopeng, Cummer, Steven A., Chen, Alfred B., Lyu, Fanchao, Li, Dongshuai, Liu, Fei, Hsu, Rue-Ron, Su, Han-Tzong

“…We examined the broadband (＜ 1 Hz to 30 kHz) lightning sferics associated with 395 sprites observed near North America by the Imager of Sprites and Upper…”
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Identifying the occurrence of lightning and transient luminous events by nadir spectrophotometric observation by Adachi, Toru, Sato, Mitsuteru, Ushio, Tomoo, Yamazaki, Atsushi, Suzuki, Makoto, Kikuchi, Masayuki, Takahashi, Yukihiro, Inan, Umran S., Linscott, Ivan, Hobara, Yasuhide, Frey, Harald U., Mende, Stephen B., Chen, Alfred B., Hsu, Rue-Ron, Kusunoki, Kenichi

“…We propose a new technique to identify the occurrence of lightning and transient luminous events (TLEs) using multicolor photometric data obtained by space…”
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Optical and radio signatures of negative gigantic jets: Cases from Typhoon Lionrock (2010) by Huang, Sung-Ming, Hsu, Rue-Rou, Lee, Li-Jou, Su, Han-Tzong, Kuo, Cheng-Ling, Wu, Chun-Chieh, Chou, Jung-Kuang, Chang, Shu-Chun, Wu, Yen-Jung, Chen, Alfred B.

“…On 31 August 2010, more than 100 transient luminous events were observed to occur over Typhoon Lionrock when it passed at ∼210 km to the southwest of the NCKU…”
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Characteristics and generation of secondary jets and secondary gigantic jets by Lee, Li-Jou, Huang, Sung-Ming, Chou, Jung-Kung, Kuo, Cheng-Ling, Chen, Alfred B., Su, Han-Tzong, Hsu, Rue-Rou, Frey, Harald U., Takahashi, Yukihiro, Lee, Lou-Chuang

“…Secondary transient luminous events (TLEs) recorded by the ISUAL‐FORMOSAT2 mission can either be secondary jets or secondary gigantic jets (GJs), depending on…”
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ISUAL Imager and far-ultraviolet spectrophotometer degradation by Chang, Shu-Chun, Hsu, Rue-Ron, Su, Han-Tzong, Chen, Alfred B., Kuo, Cheng-Ling, Chou, Jung-Kung, Wu, Yeng-Jung, Peng, Kang-Ming

“…The Imager of Sprites and Upper Atmospheric Lightning (ISUAL) has been operated for more than ten years. The onboard spectrophotometer channel-1 (SP1) was…”
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Comparison of results from sprite streamer modeling with spectrophotometric measurements by ISUAL instrument on FORMOSAT-2 satellite by Liu, Ningyu, Pasko, Victor P., Burkhardt, David H., Frey, Harald U., Mende, Stephen B., Su, Han-Tzong, Chen, Alfred B., Hsu, Rue-Ron, Lee, Lou-Chuang, Fukunishi, Hiroshi, Takahashi, Yukihiro

“…Three intensity ratios of the second positive band system of N2 to N2 LBH band system, the first negative band system of N2+, and the first positive band…”
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Estimating lightning current moment waveforms from satellite optical measurements by Adachi, Toru, Cummer, Steven A., Li, Jingbo, Takahashi, Yukihiro, Hsu, Rue-Ron, Su, Han-Tzong, Chen, Alfred B., Mende, Stephen B., Frey, Harald U.

“…From July 2004 to June 2007, the FORMOSAT‐2/ISUAL spectrophotometer and Duke magnetometer observed clear optical and radio signatures of 12 sprite‐producing…”
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Simultaneous radio and satellite optical measurements of high-altitude sprite current and lightning continuing current by Cummer, Steven A., Frey, Harald U., Mende, Stephen B., Hsu, Rue-Ron, Su, Han-Tzong, Chen, Alfred B., Fukunishi, Hiroshi, Takahashi, Yukihiro

“…We report coordinated measurements of lightning and resulting sprites using ground‐level magnetic field sensors (<0.1 Hz to 30 kHz bandwidth) and the ISUAL…”
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Observations of Blue Discharges Associated With Negative Narrow Bipolar Events in Active Deep Convection by Liu, Feifan, Zhu, Baoyou, Lu, Gaopeng, Qin, Zilong, Lei, Jiuhou, Peng, Kang‐Ming, Chen, Alfred B., Huang, Anjing, Cummer, Steven A., Chen, Mingli, Ma, Ming, Lyu, Fanchao, Zhou, Helin

“…On 19 August 2012, the Imager of Sprites and Upper Atmospheric Lightning on board the FORMOSAT‐2 satellite captured a sequence of seven blue discharges within…”
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Effects of notch-filtering on the ELF sferics and the physical parameters by Huang, Sung-Ming, Hsu, Chang-Lien, Chen, Alfred B., Li, Jingbo, Lee, Li-Jou, Yang, Guo-Liang, Wang, Yun-Ching, Hsu, Rue-Rou, Su, Han-Tzong

“…For ELF stations using hardware notch‐filters to suppress power‐grid emissions, the amplitude and the phase of the recorded sferics will inevitably be…”
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The Boltzmann Vibrational Temperature of N 2 (B 3 Π g ) Derived From ISUAL Imager Multiband Measurements of Transient Luminous Events by Kuo, Cheng‐Ling, Chou, Jung‐Kuang, Wu, Yen‐Jung, Williams, Earle, Chen, Alfred B.‐C., Su, Han‐Tzong, Hsu, Rue‐Ron, Lee, Lou‐Chuang

“…One of the main challenges for the observation of a transient luminous event (TLE) is to observe TLEs in different emission bands. Here, we show TLEs recorded…”
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First satellite-imaging observation of medium-scale traveling ionospheric disturbances by FORMOSAT-2/ISUAL by Adachi, Toru, Otsuka, Yuichi, Yamaoka, Masashi, Yamamoto, Mamoru, Shiokawa, Kazuo, Chen, Alfred B., Hsu, Rue-Ron

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The Characteristics of Magnetic Signals Observed at Lulin ELF Station and Their Association with Earthquakes in Taiwan by Ho, Shao-Ming, Wang, Kaiti, Chen, Alfred B. C., Su, Han-Tzong, Huang, Sung-Ming, Hsu, Ruei-Ron, Hsu, Tung-Shin

“…Electromagnetic wave data from years 2009 - 2010 which were recorded by the extremely-low-frequency (ELF) station at Lulin Observatory in Taiwan (120.87°E,…”
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Characteristics of TLE-producing lightning in a coastal thunderstorm by Chang, Shu-Chun, Hsu, Rue-Ron, Huang, Sung-Ming, Su, Han-Tzong, Kuo, Cheng-Ling, Chou, Jung-Kung, Lee, Li-Jou, Wu, Yeng-Jung, Chen, Alfred B.

“…Observing from southern Taiwan on 2 August 2010, a thunderstorm near Luzon Island, Philippines, about 500 km away was found to produce 72 transient luminous…”
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The Boltzmann Vibrational Temperature of N2 (B3Πg) Derived From ISUAL Imager Multiband Measurements of Transient Luminous Events by Kuo, Cheng‐Ling, Chou, Jung‐Kuang, Wu, Yen‐Jung, Williams, Earle, Chen, Alfred B.‐C., Su, Han‐Tzong, Hsu, Rue‐Ron, Lee, Lou‐Chuang

“…One of the main challenges for the observation of a transient luminous event (TLE) is to observe TLEs in different emission bands. Here, we show TLEs recorded…”
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First satellite‐imaging observation of medium‐scale traveling ionospheric disturbances by FORMOSAT‐2/ISUAL by Adachi, Toru, Otsuka, Yuichi, Yamaoka, Masashi, Yamamoto, Mamoru, Shiokawa, Kazuo, Chen, Alfred B., Hsu, Rue‐Ron

“…On the night of May 16, 2007, a satellite limb imager of FORMOSAT‐2/ISUAL observed wave‐like structures of the 630‐nm airglow simultaneously with an all‐sky…”
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