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1. Identity statement
Reference TypeConference Paper (Conference Proceedings)
Sitemtc-m21c.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W34R/3UHG8G2
Repositorysid.inpe.br/mtc-m21c/2019/12.10.12.00
Last Update2021:03.05.14.53.47 (UTC) simone
Metadata Repositorysid.inpe.br/mtc-m21c/2019/12.10.12.00.17
Metadata Last Update2021:03.05.14.53.48 (UTC) simone
Secondary KeyINPE--PRE/
Citation KeyAlvesSilSilSibWyg:2019:HoDoOu
TitleHow Does The Outer Radiation Belt Change Under Recurrent Solar Wind Structures?
Year2019
Access Date2024, May 16
Secondary TypePRE CI
Number of Files1
Size71 KiB
2. Context
Author1 Alves, Livia Ribeiro
2 Silva, Graziela Belmira Dias da
3 Silva, Ligia Alves da
4 Sibeck, David G.
5 Wygant, John R.
Group1 DIDGE-CGCEA-INPE-MCTIC-GOV-BR
2 GES-CEA-SESPG-INPE-MCTIC-GOV-BR
3 DIDGE-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 NASA Goddard Space Flight Center
5 University of Minnesota
Author e-Mail Address1 livia.alves@inpe.br
2 graziela.silva@inpe.br
3 ligia.silva@inpe.br
Conference NameAGU Fall Meeting
Conference LocationSan Francisco, CA
Date09-13 dec.
History (UTC)2019-12-10 12:00:17 :: simone -> administrator ::
2019-12-14 05:59:10 :: administrator -> simone :: 2019
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
AbstractThe key question on the Earth's radiation belts trapped particles lies on the understanding of how solar wind drives the magnetospheric physical mechanisms changing the trapped particle populations. In particular, in this study we are interested in describing the electron flux changes under interplanetary medium conditions determined by recurrent interplanetary structures. We identified 46 Corotating Interaction Regions (CIRs) throughout the descending phase of the solar cycle 24. Losses of relativistic electrons are observed in 61% of the events. To evaluate the physical mechanisms involved with these dropouts, we choose a CIR event that recurred through at least seven solar rotations. The first passage started on 30 October 2017 and the seventh on 05 May 2018. Since the interplanetary conditions slightly change in each solar wind rotation, the outer radiation belt dynamics also changes. We identify recurrent characteristics, e.g. the increase of ultra-low frequency (ULF) waves activity during each CIR's passage, the time-step required for the outer radiation belt recovery of about two days after the CIR's arrival, and the increase of low energy particle flux prior to this recovery. The outer radiation belt flux decreases in four of the seven passages studied, dayside magnetosphere is eventually compressed, and ULF waves are observed in a broad range of frequencies from Pc3 to Pc5, which is likely to persist for days. The results obtained give a description of the physical mechanisms occurring in the recurrent CIR-magnetosphere coupling, which can provide subsidies to improve outer radiation belt electron flux modeling and forecasting accuracy.
AreaCEA
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4. Conditions of access and use
data URLhttp://urlib.net/ibi/8JMKD3MGP3W34R/3UHG8G2
zipped data URLhttp://urlib.net/zip/8JMKD3MGP3W34R/3UHG8G2
Languageen
Target Filealves_how.pdf
User Groupsimone
Reader Groupadministrator
simone
Visibilityshown
Update Permissionnot transferred
5. Allied materials
Mirror Repositoryurlib.net/www/2017/11.22.19.04.03
Next Higher Units8JMKD3MGPCW/3EU29DP
8JMKD3MGPCW/3F2PBEE
Citing Item Listsid.inpe.br/bibdigital/2013/10.12.21.02 1
Host Collectionurlib.net/www/2017/11.22.19.04
6. Notes
Empty Fieldsarchivingpolicy archivist booktitle callnumber copyholder copyright creatorhistory descriptionlevel dissemination doi e-mailaddress edition editor format isbn issn keywords label lineage mark nextedition notes numberofvolumes orcid organization pages parameterlist parentrepositories previousedition previouslowerunit progress project publisher publisheraddress readpermission resumeid rightsholder schedulinginformation secondarydate secondarymark serieseditor session shorttitle sponsor subject tertiarymark tertiarytype type url versiontype volume
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