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1. Identity statement
Reference TypeJournal Article
Sitemtc-m21b.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W34P/3Q5DDCE
Repositorysid.inpe.br/mtc-m21b/2017/12.01.17.53
Last Update2017:12.01.17.53.59 (UTC) administrator
Metadata Repositorysid.inpe.br/mtc-m21b/2017/12.01.17.53.59
Metadata Last Update2018:06.04.02.28.03 (UTC) administrator
DOI10.5194/angeo-35-1165-2017
ISSN0992-7689
Citation KeySilvaSobrKogaSouz:2017:EvPrPe
TitleEvidence of prompt penetration electric fields during HILDCAA events
Year2017
Access Date2024, July 27
Type of Workjournal article
Secondary TypePRE PI
Number of Files1
Size2815 KiB
2. Context
Author1 Silva, Regia Pereira
2 Sobral, Jose Humberto Andrade
3 Koga, Daiki
4 Souza, Jonas Rodrigues
Resume Identifier1
2 8JMKD3MGP5W/3C9JHHA
Group1 DIDAE-CGCEA-INPE-MCTIC-GOV-BR
2 DIDAE-CGCEA-INPE-MCTIC-GOV-BR
3 DIDGE-CGCEA-INPE-MCTIC-GOV-BR
4 DIDAE-CGCEA-INPE-MCTIC-GOV-BR
Affiliation1 Instituto Nacional de Pesquisas Espaciais (INPE)
2 Instituto Nacional de Pesquisas Espaciais (INPE)
3 Instituto Nacional de Pesquisas Espaciais (INPE)
4 Instituto Nacional de Pesquisas Espaciais (INPE)
Author e-Mail Address1 regia.pereira@inpe.br
2
3 daiki.koga@inpe.br
4 jonas.souza@inpe.br
JournalAnnales Geophysicae
Volume35
Pages1165-1176
Secondary MarkA2_INTERDISCIPLINAR A2_GEOCIÊNCIAS A2_ENGENHARIAS_I B2_CIÊNCIAS_BIOLÓGICAS_I B2_ASTRONOMIA_/_FÍSICA
History (UTC)2017-12-01 17:53:59 :: simone -> administrator ::
2017-12-01 17:53:59 :: administrator -> simone :: 2017
2017-12-01 17:54:58 :: simone -> administrator :: 2017
2018-06-04 02:28:03 :: administrator -> simone :: 2017
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
KeywordsIonosphere (equatorial ionosphere
ionosphere– magnetosphere interactions
ionospheric disturbances)
AbstractHigh-intensity, long-duration continuous auroral electrojet (AE) activity (HILDCAA) events may occur during a long-lasting recovery phase of a geomagnetic storm. They are a special kind of geomagnetic activity, different from magnetic storms or substorms. Ionized particles are pumped into the auroral region by the action of Alfvén waves, increasing the auroral current system. The Dst index, however, does not present a significant downward swing as it occurs during geomagnetic storms. During the HILDCAA occurrence, the AE index presents an intense and continuous activity. In this paper, the response of Brazilian equatorial ionosphere is studied during three HILDCAA events that occurred in the year of 2006 (the descending phase of solar cycle 23) using the digisonde data located at São Luís, Brazil (2.33◦ S, 44.2◦ W; dip latitude 1.75◦ S). Geomagnetic indices and interplanetary parameters were used to calculate a cross-correlation coefficient between the Ey component of the interplanetary electric field and the F2 electron density peak height variations during two situations: the first of them for two sets daytime and nighttime ranges, and the second one for the time around the pre-reversal enhancement (PRE) peak. The results showed that the pumping action of particle precipitation into the auroral zone has moderately modi- fied the equatorial F2 peak height. However, F2 peak height seems to be more sensitive to HILDCAA effects during PRE time, showing the highest variations and sinusoidal oscillations in the cross-correlation indices.
AreaCEA
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4. Conditions of access and use
data URLhttp://urlib.net/ibi/8JMKD3MGP3W34P/3Q5DDCE
zipped data URLhttp://urlib.net/zip/8JMKD3MGP3W34P/3Q5DDCE
Languageen
Target Filesilva_evidence.pdf
User Groupsimone
Reader Groupadministrator
simone
Visibilityshown
Archiving Policyallowpublisher allowfinaldraft
Update Permissionnot transferred
5. Allied materials
Next Higher Units8JMKD3MGPCW/3ETL868
8JMKD3MGPCW/3EU29DP
Citing Item Listsid.inpe.br/bibdigital/2013/09.29.20.43 5
sid.inpe.br/mtc-m21/2012/07.13.14.52.02 2
sid.inpe.br/bibdigital/2013/10.01.22.11 2
DisseminationWEBSCI; PORTALCAPES; COMPENDEX; SCOPUS.
Host Collectionsid.inpe.br/mtc-m21b/2013/09.26.14.25.20
6. Notes
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