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Cloud-to-Ground lig...
Cloud-to-Ground lightning observations over the Western Antarctic region
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- Yusop, Norbayah (författare)
- Univ Kebangsaan Malaysia, Inst Climate Change, Space Sci Ctr ANGKASA, Bangi 43600, Selangor Darul, Malaysia;Univ Tekn Malaysia Melaka, Fak Kejuruteraan Elekt & Kejuruteraan Komputer, Atmospher & Lightning Res Lab, Ctr Telecommun Res & Innovat CeTRI, Durian Tunggal 76100, Melaka, Malaysia
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- Ahmad, Mohd Riduan (författare)
- Univ Tekn Malaysia Melaka, Fak Kejuruteraan Elekt & Kejuruteraan Komputer, Atmospher & Lightning Res Lab, Ctr Telecommun Res & Innovat CeTRI, Durian Tunggal 76100, Melaka, Malaysia
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- Abdullah, Mardina (författare)
- Univ Kebangsaan Malaysia, Inst Climate Change, Bangi 43600, Selangor Darul, Malaysia;Univ Kebangsaan, Fac Engn & Built Environm, Ctr Adv Elect & Commun Engn, Bangi, Malaysia
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- Zainudin, Siti Khalijah (författare)
- Univ Kebangsaan Malaysia, Inst Climate Change, Space Sci Ctr ANGKASA, Bangi 43600, Selangor Darul, Malaysia
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- Nor, Wan Nur Arina Wan Mohd (författare)
- Univ Kebangsaan Malaysia, Inst Climate Change, Space Sci Ctr ANGKASA, Bangi 43600, Selangor Darul, Malaysia
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- Alhasa, Kemal Maulana (författare)
- Univ Kebangsaan Malaysia, Inst Climate Change, Space Sci Ctr ANGKASA, Bangi 43600, Selangor Darul, Malaysia
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- Esa, Mona Riza Mohd (författare)
- Univ Teknol Malaysia, Inst High Voltage & High Current IVAT, Skudai 81310, Johor Bharu, Malaysia
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- Sabri, Muhammad Haziq Mohamad (författare)
- Univ Tekn Malaysia Melaka, Fak Kejuruteraan Elekt & Kejuruteraan Komputer, Atmospher & Lightning Res Lab, Ctr Telecommun Res & Innovat CeTRI, Durian Tunggal 76100, Melaka, Malaysia
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- Suparta, Wayan (författare)
- Pembangunan Jaya Univ, Dept Informat, South Tangerang 15413, Banten, Indonesia
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- Maria Gulisano, Adriana (författare)
- Inst Antartico Argentino DNA, RA-1248 Buenos Aires, DF, Argentina;UBA, CONICET, Inst Astron & Fis Espacio, Buenos Aires, DF, Argentina;Univ Buenos Aires, FCEyN, Dept Fis, Buenos Aires, DF, Argentina
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- Cooray, Vernon, 1952- (författare)
- Uppsala universitet,Elektricitetslära
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(creator_code:org_t)
- ELSEVIER, 2019
- 2019
- Engelska.
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Ingår i: Polar Science. - : ELSEVIER. - 1873-9652 .- 1876-4428. ; 20, s. 84-91
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- This paper presents the observations and characterization of Cloud-to-Ground (CG) lightning activity in Western Antarctica in a region that covers the Amundsen/Bellingshausen Sea (ABS), the Antarctic Peninsula (AP) and the Weddell Sea (WS). Lightning data have been collected by a lightning detector (Boltek LD-350) and an atmospheric electric field mill (EFM-100) sensors deployed at the Carlini Base on the Antarctic Peninsula (CARL: 62.23 degrees S, 58.63 degrees W). The flash rate and flash multiplicity were analysed for three different seasons within a 1,000 km range, starting at the end of summer (February 2017) and ending in winter (July 2017). Three storm days for each month (within the 1,000 km radius from the LD sensor) with three composite active thunderstorms (labelled as Storm region A, B, and C) for each day have been selected from a collection of storm days between February and July 2017. A total of 355,899 flashes have been recorded with 156,190 Positive CG and 199,709 Negative CG flashes from these 54 thunderstorms. In total, Positive CG flash counts made up around 43.9% of the total detected CG flashes. Most of the Positive CG flashes (> 80%) had only 1 or 2 strokes with a maximum number of 5. For Negative CG flashes, the average multiplicity and the maximum multiple stroke were 1.2 and 16 respectively. Most CG flashes were detected during the summer and fall months. Positive CG flashes were prevalent in Western Antarctic storms even during the winter. The mean, median and range of the ratio of Positive CG to Negative CG flashes were 0.7, 0.718 and 0.217-1.279, respectively.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Meteorologi och atmosfärforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Meteorology and Atmospheric Sciences (hsv//eng)
Nyckelord
- Antarctic
- Cloud-to-ground flash
- Flash rate
- Stroke multiplicity
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- art (ämneskategori)
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Yusop, Norbayah
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Ahmad, Mohd Ridu ...
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Abdullah, Mardin ...
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Zainudin, Siti K ...
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Nor, Wan Nur Ari ...
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Alhasa, Kemal Ma ...
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Esa, Mona Riza M ...
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Sabri, Muhammad ...
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Suparta, Wayan
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Maria Gulisano, ...
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Cooray, Vernon, ...
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Uppsala universitet