Saharan dust electrification perceived by a triangle of atmospheric electricity stations in Southern Portugal

Detalhes bibliográficos
Autor(a) principal: Silva, Hugo
Data de Publicação: 2016
Outros Autores: Lopes, Francisco, Pereira, Sergio, Nicoll, Kery, Barbosa, Susana, Conceição, Ricardo, Neves, Samuel, Harrison, Giles, Collares-Pereira, Manuel
Tipo de documento: Artigo
Idioma: por
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10174/24645
Resumo: Atmospheric Electric Potential Gradient (PG) measurements were carried out in three sites forming a triangular array in Southern Portugal. The campaign was performed during the summer, characterized by Saharan dust outbreaks; 16the17th July 2014 dust event is considered. Short time-scale oscillations of the PG at two of the stations and a mid time-scale suppression of the PG in the three stations are found. Results are interpreted as evidencing long-range dust electrification; attributed to the air-Earth electrical current creating a bipolar charge distribution inside of the dust layer. The relevance of using arrays of sensors, instead of single sited, is highlighted.
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spelling Saharan dust electrification perceived by a triangle of atmospheric electricity stations in Southern PortugalDesert dust electrificationAtmospheric electric potential gradientSensors arrayWavelet analysisAtmospheric Electric Potential Gradient (PG) measurements were carried out in three sites forming a triangular array in Southern Portugal. The campaign was performed during the summer, characterized by Saharan dust outbreaks; 16the17th July 2014 dust event is considered. Short time-scale oscillations of the PG at two of the stations and a mid time-scale suppression of the PG in the three stations are found. Results are interpreted as evidencing long-range dust electrification; attributed to the air-Earth electrical current creating a bipolar charge distribution inside of the dust layer. The relevance of using arrays of sensors, instead of single sited, is highlighted.ELSEVIER2019-02-13T17:08:42Z2019-02-132016-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://hdl.handle.net/10174/24645http://hdl.handle.net/10174/24645porhttps://ac.els-cdn.com/S0304388616302303/1-s2.0-S0304388616302303-main.pdf?_tid=04e4b724-4b2a-4ea9-922e-a737665d233f&acdnat=1549890310_054a108b06cf84edf6c34d72ac6909d5hgsilva@uevora.ptfmlopes@uevora.ptndndndrfc@uevora.ptndndcollarespereira@uevora.ptSilva, HugoLopes, FranciscoPereira, SergioNicoll, KeryBarbosa, SusanaConceição, RicardoNeves, SamuelHarrison, GilesCollares-Pereira, Manuelinfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-01-03T19:17:47Zoai:dspace.uevora.pt:10174/24645Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T01:15:15.632502Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Saharan dust electrification perceived by a triangle of atmospheric electricity stations in Southern Portugal
title Saharan dust electrification perceived by a triangle of atmospheric electricity stations in Southern Portugal
spellingShingle Saharan dust electrification perceived by a triangle of atmospheric electricity stations in Southern Portugal
Silva, Hugo
Desert dust electrification
Atmospheric electric potential gradient
Sensors array
Wavelet analysis
title_short Saharan dust electrification perceived by a triangle of atmospheric electricity stations in Southern Portugal
title_full Saharan dust electrification perceived by a triangle of atmospheric electricity stations in Southern Portugal
title_fullStr Saharan dust electrification perceived by a triangle of atmospheric electricity stations in Southern Portugal
title_full_unstemmed Saharan dust electrification perceived by a triangle of atmospheric electricity stations in Southern Portugal
title_sort Saharan dust electrification perceived by a triangle of atmospheric electricity stations in Southern Portugal
author Silva, Hugo
author_facet Silva, Hugo
Lopes, Francisco
Pereira, Sergio
Nicoll, Kery
Barbosa, Susana
Conceição, Ricardo
Neves, Samuel
Harrison, Giles
Collares-Pereira, Manuel
author_role author
author2 Lopes, Francisco
Pereira, Sergio
Nicoll, Kery
Barbosa, Susana
Conceição, Ricardo
Neves, Samuel
Harrison, Giles
Collares-Pereira, Manuel
author2_role author
author
author
author
author
author
author
author
dc.contributor.author.fl_str_mv Silva, Hugo
Lopes, Francisco
Pereira, Sergio
Nicoll, Kery
Barbosa, Susana
Conceição, Ricardo
Neves, Samuel
Harrison, Giles
Collares-Pereira, Manuel
dc.subject.por.fl_str_mv Desert dust electrification
Atmospheric electric potential gradient
Sensors array
Wavelet analysis
topic Desert dust electrification
Atmospheric electric potential gradient
Sensors array
Wavelet analysis
description Atmospheric Electric Potential Gradient (PG) measurements were carried out in three sites forming a triangular array in Southern Portugal. The campaign was performed during the summer, characterized by Saharan dust outbreaks; 16the17th July 2014 dust event is considered. Short time-scale oscillations of the PG at two of the stations and a mid time-scale suppression of the PG in the three stations are found. Results are interpreted as evidencing long-range dust electrification; attributed to the air-Earth electrical current creating a bipolar charge distribution inside of the dust layer. The relevance of using arrays of sensors, instead of single sited, is highlighted.
publishDate 2016
dc.date.none.fl_str_mv 2016-01-01T00:00:00Z
2019-02-13T17:08:42Z
2019-02-13
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10174/24645
http://hdl.handle.net/10174/24645
url http://hdl.handle.net/10174/24645
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://ac.els-cdn.com/S0304388616302303/1-s2.0-S0304388616302303-main.pdf?_tid=04e4b724-4b2a-4ea9-922e-a737665d233f&acdnat=1549890310_054a108b06cf84edf6c34d72ac6909d5
hgsilva@uevora.pt
fmlopes@uevora.pt
nd
nd
nd
rfc@uevora.pt
nd
nd
collarespereira@uevora.pt
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv ELSEVIER
publisher.none.fl_str_mv ELSEVIER
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
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