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Environmental Analysis of Quasi-Static Electric Field Changes of Tropical Lightning Flashes
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- Sabri, Muhammad Haziq Mohamad (author)
- Univ Tekn Malaysia Melaka, Fak Kejuruteraan Elekt & Kejuruteraan Komputer, Ctr Telecommun Res & Innovat CeTRI, Atmospher & Lightning Res Lab, Durian Tunggal, Melaka, Malaysia
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- Ahmad, Mohd Riduan (author)
- Univ Tekn Malaysia Melaka, Fak Kejuruteraan Elekt & Kejuruteraan Komputer, Ctr Telecommun Res & Innovat CeTRI, Atmospher & Lightning Res Lab, Durian Tunggal, Melaka, Malaysia
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- Esa, Mona Riza Mohd (author)
- UTM, Fac Engn, Sch Elect Engn, Inst High Voltage & High Current IVAT, Skudai, Johor Bharu, Malaysia
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- 2019
- 2019
- English.
- In: Ekoloji. - 1300-1361. ; 28:107, s. 373-378
- Journal article (peer-reviewed)
Abstract
Subject headings
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- The environmental conditions leading to the bouncing-wave discharge and the subsequent electron beam remain to be investigated in more detailed future studies. The analysis of quasi-static initial electric field changes (IECs) were found at the beginning of all 24 lightning flashes detected within reversal distance (22 Negative Cloud-to-Ground (–CG) and 2 normal Intra-Cloud (IC) flashes) in a tropical storm on June 15th, 2017 close to our station in Malacca, Malaysia (2.314077° N, 102.318282° E). The IECs durations averaged 4.28 ms for –CG flashes (range 1.48 to 9.45 ms) and averaged 11.30 ms for normal ICs flashes (range 7.24 to 15.35 ms). In comparison to Florida storms, the duration of IECs for –CG and IC flashes were 0.18 ms (range 0.08 to 0.33 ms) and 1.53 ms (range 0.18 to 5.70 ms), respectively. Moreover, the magnitudes of E-change for tropical thunderstorm were 0.13 V/m (range 0.03 to 0.44 V/m) for –CG flashes and -0.20 V/m (range -0.13 to -0.27 V/m) for IC flashes. The E-change magnitudes of tropical flashes are significantly larger than Florida flashes.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Meteorologi och atmosfärforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Meteorology and Atmospheric Sciences (hsv//eng)
Keyword
- breakdown pulse
- cloud to ground flash
- intra-cloud flash
- lightning initiation
- quasi-static electric field
- environmental factors
Publication and Content Type
- ref (subject category)
- art (subject category)
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