Cloud-to-ground lightning observations over the Eastern Amazon region: Subsidies for the protection of electric systems

Cloud-to-ground (CG) lightning variables, space and time distributions near the equator, over Eastern Amazon, were analyzed in this work. Over seven million lightning flash events of this type, detected by a VAISALA sensor network operated by the Brazilian Amazon Protection System (SIPAM) between 20...

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Published in2010 30th International Conference on Lightning Protection (ICLP) pp. 1 - 3
Main Authors Almeida, Arthur C., Rocha, Brigida R. P., de Souza, Jose R. S., Monteiro, Jose H. A., Sa, Jose A. S.
Format Conference Proceeding
LanguageEnglish
Published University of Cagliari 01.09.2010
Subjects
Clouds
Discharges (electric)
Economics
Lightning
Peak to average power ratio
Power transmission lines
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DOI10.1109/ICLP.2010.7845918

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Abstract Cloud-to-ground (CG) lightning variables, space and time distributions near the equator, over Eastern Amazon, were analyzed in this work. Over seven million lightning flash events of this type, detected by a VAISALA sensor network operated by the Brazilian Amazon Protection System (SIPAM) between 2006 and 2008 were processed. The results show the sub-areas of higher frequency of occurrences, as well as the monthly and hourly distributions of CG lightning polarity type, current peak intervals for this region. The regional values of the CG lightning parameters should be taken into consideration on electric and telecommunication systems protection projects, against atmospheric electric discharges in the Amazon Region.
AbstractList Cloud-to-ground (CG) lightning variables, space and time distributions near the equator, over Eastern Amazon, were analyzed in this work. Over seven million lightning flash events of this type, detected by a VAISALA sensor network operated by the Brazilian Amazon Protection System (SIPAM) between 2006 and 2008 were processed. The results show the sub-areas of higher frequency of occurrences, as well as the monthly and hourly distributions of CG lightning polarity type, current peak intervals for this region. The regional values of the CG lightning parameters should be taken into consideration on electric and telecommunication systems protection projects, against atmospheric electric discharges in the Amazon Region.
Author Sa, Jose A. S.
Almeida, Arthur C.
Rocha, Brigida R. P.
Monteiro, Jose H. A.
de Souza, Jose R. S.
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  givenname: Brigida R. P.
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  givenname: Jose R. S.
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  fullname: de Souza, Jose R. S.
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  givenname: Jose H. A.
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  fullname: Monteiro, Jose H. A.
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  organization: Univ. Fed. do Para, Belem, Brazil
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  givenname: Jose A. S.
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  fullname: Sa, Jose A. S.
  email: josealbertosa@uol.com.br
  organization: Univ. Fed. do Para, Belem, Brazil
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Snippet Cloud-to-ground (CG) lightning variables, space and time distributions near the equator, over Eastern Amazon, were analyzed in this work. Over seven million...
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SubjectTerms Clouds
Discharges (electric)
Economics
Lightning
Peak to average power ratio
Power transmission lines
Title Cloud-to-ground lightning observations over the Eastern Amazon region: Subsidies for the protection of electric systems
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