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1. Identificação
Tipo de ReferênciaArtigo em Evento (Conference Proceedings)
Sitemtc-m21d.sid.inpe.br
Código do Detentorisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identificador8JMKD3MGP3W34T/465T4T5
Repositóriosid.inpe.br/mtc-m21d/2022/01.07.12.59
Repositório de Metadadossid.inpe.br/mtc-m21d/2022/01.07.12.59.12
Última Atualização dos Metadados2022:04.03.19.24.58 (UTC) administrator
Chave SecundáriaINPE--PRE/
Chave de CitaçãoSánchezJuarezKherAstaPaul:2021:IoDiOb
TítuloIonospheric disturbances observed following the Ridgecrest earthquakes of 4 July 2019
Ano2021
Data de Acesso11 maio 2024
Tipo SecundárioPRE CI
2. Contextualização
Autor1 Sánchez Juarez, Saúl Alejandro
2 Kherani, Esfhan Alam
3 Astafyeva, Elvira
4 Paula, Eurico Rodrigues de
Identificador de Curriculo1
2
3
4 8JMKD3MGP5W/3C9JH2U
Grupo1 GESAST-CEA-DIPGR-INPE-MCTI-GOV-BR
2 DIHPA-CGCE-INPE-MCTI-GOV-BR
3
4 DIHPA-CGCE-INPE-MCTI-GOV-BR
Afiliação1 Instituto Nacional de Pesquisas Espaciais (INPE)
2 Instituto Nacional de Pesquisas Espaciais (INPE)
3 Institut de Physique du Globe de Paris
4 Instituto Nacional de Pesquisas Espaciais (INPE)
Endereço de e-Mail do Autor1 saulsjf@gmail.com
2
3
4 eurico.ruth@gmail.com
Nome do EventoAGU Fall Meeting
Localização do EventoNew Orleans, LA
Data13-17 Dez. 2021
Editora (Publisher)AGU
Tipo TerciárioPoster
Histórico (UTC)2022-01-07 12:59:38 :: simone -> administrator :: 2021
2022-04-03 19:24:58 :: administrator -> simone :: 2021
3. Conteúdo e estrutura
É a matriz ou uma cópia?é a matriz
Estágio do Conteúdoconcluido
Transferível1
Tipo do ConteúdoExternal Contribution
Tipo de Versãopublisher
ResumoEarthquakes are known to generate disturbances in the ionosphere due to the Lithosphere-Atmosphere-Ionosphere coupling in which seismic energy is transferred in the atmosphere and ionosphere in the form of Acoustic-Gravity Waves. Such disturbances, known as co-seismic ionospheric disturbances (CIDs) were previously reported for large earthquakes with magnitudes Mw ≥ 6.6. The present study reports CIDs associated with Ridgecrest earthquakes of magnitudes (Mw=6.4, 4.6), that occurred on 4 July 2019 in California, USA. The CIDs occurred as Traveling Ionospheric Disturbances (TIDs) in total electron content (TEC) data. These seismic-origin TIDs acquire unique wave characteristics that distinguish them from TIDs of non-seismic origin arising from a moderate geomagnetic activity on the same day. Their spectral characteristics relate them to the Earths normal modes and atmospheric resonance modes. The vertical ground velocity associated with the mainshock, rather than the vertical ground displacement, is found to satisfy the threshold criteria required for generation of detectable CIDs in TEC measurements. The cross-correlation analysis is used to quantify the wave parameters and their role in the identification of ∆TEC of seismic origin. Numerical simulation confirms that the Seismo-Atmosphere-Ionosphere coupled dynamics energized by the atmospheric waves is responsible for the generation of the observed CIDs. Our work demonstrates the potential of TEC measurement to detect ionospheric counterparts of moderate and weak earthquakes. We found a new vertical ground velocity threshold at 2-6 mHz of approximately 0.1-0.6 cm/s, which can generate an ionospheric drift corresponding to approximately 60-360 m/s. Therefore, these drifts are sufficient to generate CIDs detectable in TEC data series.
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5. Fontes relacionadas
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8JMKD3MGPCW/46KTFK8
Acervo Hospedeirourlib.net/www/2021/06.04.03.40
6. Notas
Campos Vaziosarchivingpolicy archivist booktitle callnumber copyholder copyright creatorhistory descriptionlevel dissemination doi e-mailaddress edition editor format isbn issn keywords label lineage mark nextedition notes numberoffiles numberofvolumes orcid organization pages parameterlist parentrepositories previousedition previouslowerunit progress project publisheraddress readpermission rightsholder schedulinginformation secondarydate secondarymark serieseditor session shorttitle size sponsor subject targetfile tertiarymark type url volume
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