Área de identificação
Tipo de ReferênciaArtigo em Evento (Conference Proceedings)
Código do Detentorisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Última Atualização2021: simone
Última Atualização dos Metadados2021: simone
Chave SecundáriaINPE--PRE/
Chave de CitaçãoGomesRamRemSilChi:2017:StMoEx
TítuloStatistical modeling of extreme values and evidence of presence of Dragon King (DK) in solar wind
Data de Acesso07 mar. 2021
Número de Arquivos1
Tamanho70 KiB
Área de contextualização
Autor1 Gomes, Tiago Francisco Pinheiro
2 Ramos, Fernando
3 Rempel, Érico Luiz
4 Silva, Suzana
5 Chian, Abraham C. -L.
Afiliação1 Instituto Nacional de Pesquisas Espaciais (INPE)
2 Instituto Nacional de Pesquisas Espaciais (INPE)
3 Instituto Tecnológico de Aeronáutica (ITA)
4 Instituto Tecnológico de Aeronáutica (ITA)
5 University of Adelaide
Nome do EventoAGU Fall Meeting
Localização do EventoNew Orleans
Data11-15 Dec.
Título do LivroProceedings
Tipo SecundárioPRE CI
Histórico2017-12-27 15:00:30 :: simone -> administrator ::
2018-06-04 02:28:10 :: administrator -> simone :: 2017
Área de conteúdo e estrutura
É a matriz ou uma cópia?é a matriz
Estágio do Conteúdoconcluido
Tipo do ConteudoExternal Contribution
Tipo de Versãopublisher
ResumoThe solar wind constitutes a nonlinear dynamical system, presenting intermittent turbulence, multifractality and chaotic dynamics. One characteristic shared by many such complex systems is the presence of extreme events, that play an important role in several Geophysical phenomena and their statistical characterization is a problem of great practical relevance. This work investigates the presence of extreme events in time series of the modulus of the interplanetary magnetic field measured by Cluster spacecraft on February 2, 2002. One of the main results is that the solar wind near the Earth's bow shock can be modeled by the Generalized Pareto (GP) and Generalized Extreme Values (GEV) distributions. Both models present a statistically significant positive shape parameter which implyies a heavy tail in the probability distribution functions and an unbounded growth in return values as return periods become too long. There is evidence that current sheets are the main responsible for positive values of the shape parameter. It is also shown that magnetic reconnection at the interface between two interplanetary magnetic flux ropes in the solar wind can be considered as Dragon Kings (DK), a class of extreme events whose formation mechanisms are fundamentally different from others. As long as magnetic reconnection can be classified as a Dragon King, there is the possibility of its identification and even its prediction. Dragon kings had previously been identified in time series of financial crashes, nuclear power generation accidents, stock market and so on. It is believed that they are associated with the occurrence of extreme events in dynamical systems at phase transition, bifurcation, crises or tipping points.
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Arquivo Alvogomes_statistical.pdf
Grupo de Usuáriossimone
Grupo de Leitoresadministrator
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Repositório Espelhosid.inpe.br/mtc-m21b/2013/
Unidades Imediatamente Superiores8JMKD3MGPCW/3F2PF8L
Acervo Hospedeirosid.inpe.br/mtc-m21b/2013/
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