{"id":"https://openalex.org/W2219089972","doi":"https://doi.org/10.1590/s0102-261x1999000200016","title":"An\u00e1lise e modelagem de curvas de corrente de rel\u00e2mpagos negativos descendentes entre 1985 e 1994 na Esta\u00e7\u00e3o de Pesquisa do Morro do Cachimbo-MG","display_name":"An\u00e1lise e modelagem de curvas de corrente de rel\u00e2mpagos negativos descendentes entre 1985 e 1994 na Esta\u00e7\u00e3o de Pesquisa do Morro do Cachimbo-MG","publication_year":1999,"publication_date":"1999-11-01","ids":{"openalex":"https://openalex.org/W2219089972","doi":"https://doi.org/10.1590/s0102-261x1999000200016","mag":"2219089972"},"language":"pt","primary_location":{"id":"doi:10.1590/s0102-261x1999000200016","doi":"https://doi.org/10.1590/s0102-261x1999000200016","is_oa":true,"landing_page_url":"https://doi.org/10.1590/s0102-261x1999000200016","pdf_url":"https://www.scielo.br/j/rbg/a/dnYr4sCfnRJKghChjkK56Yh/?lang=pt&format=pdf","source":{"id":"https://openalex.org/S4210226765","display_name":"Brazilian Journal of Geophysics","issn_l":"0102-261X","issn":["0102-261X","1809-4511"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1","poland-20","russia-white-list-4"],"host_organization":"https://openalex.org/P4365920914","host_organization_name":"Brazilian Society of Geophysics","host_organization_lineage":["https://openalex.org/P4365920914"],"host_organization_lineage_names":["Brazilian Society of Geophysics"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Revista Brasileira de Geof\u00edsica","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://www.scielo.br/j/rbg/a/dnYr4sCfnRJKghChjkK56Yh/?lang=pt&format=pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5085133230","display_name":"Moacir Santos de Lacerda","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Moacir Lacerda","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5085133230"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.24772187,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"17","issue":"2-3","first_page":"215","last_page":"215"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10787","display_name":"Lightning and Electromagnetic Phenomena","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10787","display_name":"Lightning and Electromagnetic Phenomena","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13121","display_name":"Radio Wave Propagation Studies","score":0.0,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12737","display_name":"Electrical Fault Detection and Protection","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/return-stroke","display_name":"return stroke","score":0.5720000267028809},{"id":"https://openalex.org/keywords/lightning-current-measurement","display_name":"lightning current measurement","score":0.3449999988079071},{"id":"https://openalex.org/keywords/suica","display_name":"Suica","score":0.5920000076293945},{"id":"https://openalex.org/keywords/electric-field","display_name":"electric field","score":0.32499998807907104}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5363603234291077}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1590/s0102-261x1999000200016","doi":"https://doi.org/10.1590/s0102-261x1999000200016","is_oa":true,"landing_page_url":"https://doi.org/10.1590/s0102-261x1999000200016","pdf_url":"https://www.scielo.br/j/rbg/a/dnYr4sCfnRJKghChjkK56Yh/?lang=pt&format=pdf","source":{"id":"https://openalex.org/S4210226765","display_name":"Brazilian Journal of Geophysics","issn_l":"0102-261X","issn":["0102-261X","1809-4511"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1","poland-20","russia-white-list-4"],"host_organization":"https://openalex.org/P4365920914","host_organization_name":"Brazilian Society of Geophysics","host_organization_lineage":["https://openalex.org/P4365920914"],"host_organization_lineage_names":["Brazilian Society of Geophysics"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Revista Brasileira de Geof\u00edsica","raw_type":"journal-article"},{"id":"pmh:oai:americanae.aecid.es:1695046","doi":null,"is_oa":true,"landing_page_url":"http://americanae.aecid.es/americanae/es/registros/registro.do?tipoRegistro=MTD&idBib=1695046","pdf_url":null,"source":{"id":"https://openalex.org/S4306400786","display_name":"Americanae (AECID Library)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"reponame:Biblioteca Digital de Teses e Disserta\u00e7\u00f5es do INPE","raw_type":"info:eu-repo/semantics/doctoralThesis"},{"id":"pmh:oai:scielo:S0102-261X1999000200016","doi":null,"is_oa":true,"landing_page_url":"http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-261X1999000200016","pdf_url":null,"source":{"id":"https://openalex.org/S4306402308","display_name":"The Scientific Electronic Library Online (Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de S\u00e3o Paulo)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210116822","host_organization_name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de S\u00e3o Paulo","host_organization_lineage":["https://openalex.org/I4210116822"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Revista Brasileira de Geof\u00c3\u00adsica v.17 n.2-3 1999","raw_type":"info:eu-repo/semantics/other"},{"id":"pmh:oai:urlib.net:sid.inpe.br/banon/2001/04.03.15.38.11-0","doi":null,"is_oa":false,"landing_page_url":"http://urlib.net/sid.inpe.br/deise/1999/11.16.16.55","pdf_url":null,"source":{"id":"https://openalex.org/S4377196298","display_name":"Biblioteca Digital da Mem\u00f3ria Cient\u00edfica do INPE (National Institute for Space Research)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I80849659","host_organization_name":"Instituto Nacional de Pesquisas Espaciais","host_organization_lineage":["https://openalex.org/I80849659"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"doctoralThesis"}],"best_oa_location":{"id":"doi:10.1590/s0102-261x1999000200016","doi":"https://doi.org/10.1590/s0102-261x1999000200016","is_oa":true,"landing_page_url":"https://doi.org/10.1590/s0102-261x1999000200016","pdf_url":"https://www.scielo.br/j/rbg/a/dnYr4sCfnRJKghChjkK56Yh/?lang=pt&format=pdf","source":{"id":"https://openalex.org/S4210226765","display_name":"Brazilian Journal of Geophysics","issn_l":"0102-261X","issn":["0102-261X","1809-4511"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1","poland-20","russia-white-list-4"],"host_organization":"https://openalex.org/P4365920914","host_organization_name":"Brazilian Society of Geophysics","host_organization_lineage":["https://openalex.org/P4365920914"],"host_organization_lineage_names":["Brazilian Society of Geophysics"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Revista Brasileira de Geof\u00edsica","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2219089972.pdf","grobid_xml":"https://content.openalex.org/works/W2219089972.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W1488853870","https://openalex.org/W1528049552","https://openalex.org/W1981254301","https://openalex.org/W1897052069","https://openalex.org/W2218021214","https://openalex.org/W1486026036","https://openalex.org/W2220250073","https://openalex.org/W1878602252","https://openalex.org/W1534400899","https://openalex.org/W1949838526"],"abstract_inverted_index":{"Apresenta-se":[0],"uma":[1,137,209,244],"analise":[2],"de":[3,17,34,45,47,56,62,66,69,77,141,155,189,206,257,262,284,325],"22":[4,295],"rel\u00e2mpagos":[5],"negativos":[6],"descendentes":[7],"registrados":[8,273],"no":[9,93,113,173,198],"Brasil":[10,94,114,174],"entre":[11,184,213],"1985":[12,303],"e":[13,52,105,175,191,223,231,243],"1994,":[14],"na":[15,71,101,120,180],"Esta\u00e7\u00e3o":[16],"Pesquisa":[18],"do":[19,21,41,146,309],"Morro":[20,308],"Cachimbo":[22,310],"(43\u00ba":[23,313],"58'":[24,314],"26''":[25,315],"W,":[26,316],"20\u00ba":[27,317],"00'":[28,318],"39''":[29,319],"S),":[30],"da":[31,43,91,153,229],"Companhia":[32,323],"Energ\u00e9tica":[33,324],"Minas":[35,326],"Gerais":[36,327],"(CEMIG).":[37,328],"Faz-se":[38],"um":[39],"resumo":[40],"hist\u00f3rico":[42],"pesquisa":[44,70],"correntes":[46,237],"descargas":[48],"capturadas":[49],"em":[50,108,216,225,255,268,274,281],"torre":[51],"descreve-se":[53],"a":[54,86,144,204,218,227,489],"t\u00e9cnica":[55],"medida.":[57],"Comparando-se":[58],"os":[59,185,241],"primeiros":[60],"choques":[61,129,235],"retorno":[63],"com":[64,196,260],"aqueles":[65,272],"outra":[67],"esta\u00e7\u00e3o":[68],"Su\u00ed\u00e7a,":[72],"observou-se":[73],"que":[74,99,109,119,217,226,240,271],"as":[75,165],"curvas":[76,166],"corrente":[78,92,190,219,230],"s\u00e3o":[79],"muito":[80],"similares":[81],"nos":[82,128],"dois":[83],"pa\u00edses,":[84],"embora":[85],"intensidade":[87],"media":[88],"dos":[89,187,200],"picos":[90,188],"(40":[95],"kA)":[96,104,265,384],"seja":[97,117],"maior":[98,118],"aquelas":[100],"Su\u00ed\u00e7a":[102,121],"(30":[103,383],"o":[106,111,214,221],"instante":[107,215],"ocorre":[110],"pico":[112,222,263],"(22":[115,398],"[mu]s),":[116],"(13":[122,403],"[mu]s).":[123,404],"Diferen\u00e7as":[124],"foram":[125,159,194,253],"percebidas":[126],"tamb\u00e9m":[127],"subsequentes.":[130],"Para":[131],"explicar":[132],"tais":[133],"diferen\u00e7as":[134,183],"foi":[135,249],"desenvolvida":[136],"extens\u00e3o":[138],"ao":[139],"modelo":[140,163],"Borovski":[142,423],"onde":[143],"condutividade":[145,192],"sistema":[147],"canal-torre-atmosfera-solo":[148],"pode":[149],"ser":[150],"calculada":[151],"diretamente":[152],"curva":[154],"corrente.":[156],"As":[157,182],"condutividades":[158],"calculadas":[160],"pelo":[161],"novo":[162],"ajustando-se":[164],"medias,":[167],"obtendo-se":[168],"1.21":[169,443],"x":[170,177,444,450],"10^-6":[171,178,445,451],"([omega].m)^-1":[172,179,446,452],"2.74":[176,449],"Su\u00ed\u00e7a.":[181],"valores":[186,261],"encontrados":[193],"explicadas":[195],"base":[197],"calculo":[199],"campos":[201],"el\u00e9tricos,":[202],"usando-se":[203],"lei":[205],"Ohm.":[207],"H\u00e1":[208],"correla\u00e7\u00e3o":[210],"linear":[211,490],"(~94%)":[212],"atinge":[220],"aquele":[224],"derivada":[228],"m\u00e1xima.":[232],"Os":[233],"terceiros":[234],"apresentaram":[236],"mais":[238],"intensas":[239],"segundos":[242],"explica\u00e7\u00e3o":[245],"para":[246],"esse":[247],"fato":[248],"apresentada.":[250],"Componentes":[251],"M":[252,276],"registradas":[254,277],"torno":[256],"200":[258,521],"[mu]s":[259,522],"(~2":[264],"sendo":[266],"atingidos":[267],"tempos":[269],"menores":[270],"componentes":[275],"ap\u00f3s":[278],"1":[279,536],"ms":[280,537],"outras":[282],"esta\u00e7\u00f5es":[283],"pesquisa.":[285],"ABSTRACT:":[286],"In":[287],"this":[288],"thesis":[289],"is":[290,377,394,478],"presented":[291],"an":[292,419,511],"analysis":[293],"of":[294,321,332,345,351,421,429,485,493],"negative":[296],"descendent":[297],"lightning":[298],"collected":[299],"in":[300,306,354,366,374,381,389,396,401,406,456,538],"Brazil":[301,375,397],"from":[302,425,435],"to":[304,475,480,483,504,529],"1994":[305],"the":[307,322,337,343,370,386,391,422,427,457,473,481,508],"research":[311,540],"station":[312,353],"S)":[320],"The":[329,439,454,496],"historic":[330],"evolution":[331],"direct":[333],"discharge":[334],"measurements":[335],"and":[336,385,448,460,510],"thecniques":[338],"involved":[339],"are":[340,364],"summarised.":[341],"From":[342],"comparation":[344],"first":[346],"return":[347,499],"strokes":[348,408],"with":[349,488],"those":[350,533],"another":[352],"Switzerland,":[355],"it":[356,416],"was":[357,417,432,470,502,515],"noted":[358],"that":[359,380,472,514],"electric":[360],"current":[361,373,437,459,477,487,501,524],"wave":[362],"forms":[363],"similar":[365],"both":[367],"countries,":[368],"although":[369],"mean":[371,436,497],"peak":[372,392,458,476,484,530],"(40kA)":[376],"greater":[378,395],"than":[379,400,507,532],"Switzerland":[382,402],"average":[387],"instant":[388],"which":[390,426],"occurs":[393],"[mu]s)":[399],"Differences":[405],"subsequent":[407],"were":[409,442,463],"observed":[410],"too.":[411],"To":[412],"explain":[413],"such":[414],"differences":[415,455],"developed":[418],"extension":[420],"model,":[424],"conductivity":[428,461],"channel-tower-atmosphere-ground":[430],"sistem":[431],"calculated":[433],"straightly":[434],"curves.":[438],"values":[440,462,525],"obtained":[441,534],"(Brazil)":[447],"(Switzerland).":[453],"explained":[464],"based":[465],"on":[466],"Ohms":[467],"Law.":[468],"It":[469],"found":[471,503],"time":[474,482,528],"correlated":[479],"derivative":[486],"correlation":[491],"coeficient":[492],"about":[494,520],"~94%.":[495],"third":[498],"stroke":[500],"be":[505],"stronger":[506],"second":[509],"explanation":[512],"for":[513],"suggested.":[516],"Mcomponents":[517],"recorded":[518],"at":[519],"(peak":[523],"~2kA)":[526],"had":[527],"lower":[531],"after":[535],"other":[539],"stations.":[541]},"counts_by_year":[],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2016-06-24T00:00:00"}