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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/3SETK8P
Repositorysid.inpe.br/mtc-m21c/2018/12.27.11.50
Metadata Repositorysid.inpe.br/mtc-m21c/2018/12.27.11.50.46
Metadata Last Update2021:02.27.05.01.09 (UTC) administrator
Secondary KeyINPE--PRE/
Citation KeyBatistaBraSouFopBai:2018:MoLoLa
TitleModelling the low latitude ionosphere during disturbed periods
Year2018
Access Date2024, May 16
Secondary TypePRE CN
2. Context
Author1 Batista, Inez Staciarini
2 Bravo, M.
3 Souza, Jonas Rodrigues de
4 Foppiano, Alberto J.
5 Bailey, Graham
Resume Identifier1 8JMKD3MGP5W/3C9JHDA
2
3 8JMKD3MGP5W/3C9JHFE
Group1 DIDAE-CGCEA-INPE-MCTIC-GOV-BR
2
3 DIDAE-CGCEA-INPE-MCTIC-GOV-BR
Affiliation1 Instituto Nacional de Pesquisas Espaciais (INPE)
2 Universidad de Santiago de Chile
3 Instituto Nacional de Pesquisas Espaciais (INPE)
4 Universidad de Concepción
5 Sheffield University
Author e-Mail Address1 inez.batista@inpe.br
2
3 jonas.souza@inpe.br
Conference NameSimpósio Brasileiro de Geofísica Espacial e Aeronomia, 7 (SBGEA)
Conference LocationSanta Maria, RS
Date05-09 nov
History (UTC)2018-12-27 11:50:46 :: simone -> administrator ::
2021-02-27 05:01:09 :: administrator -> simone :: 2018
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
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AbstractModeling the ionosphere during disturbed periods is one of the most challenging tasks due to the complexity of the phenomena that affect the electric fields and the thermosphere environment as a whole. It is well known that depending on the direction of the interplanetary magnetic field disturbance electric fields (undershielding or overshielding) can penetrate from high to low latitudes causing significant disturbances in the electron density distribution and in the equatorial ionization anomaly (EIA) development. Besides that, the large amount of energy deposited in the polar region during disturbed periods will be responsible for the generation of disturbed winds that will flow towards the equator where they produce a disturbance dynamo which also affects the EIA density distribution. The TIDs and TADs are also sources of disturbances that propagate at high velocity reaching the equator 2-3 hours after the beginning of the magnetic storm. In this work we use the Sheffield University Plasmasphere-Ionosphere Model at INPE (SUPIM-INPE), to simulate the drastic effects that were observed at the low latitude ionosphere in the Brazilian region during a very intense magnetic storm event. A few models are tested for the disturbed electric field and for the disturbed wind. The simulation results showed that the observations are better explained when considering a transequatorial waveform disturbance propagating from north to south at a velocity of the order of 200 m/s.
AreaCEA
Arrangementurlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDAE > Modelling the low...
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Languagept
User Groupsimone
Visibilityshown
Update Permissionnot transferred
5. Allied materials
Next Higher Units8JMKD3MGPCW/3ETL868
Host Collectionurlib.net/www/2017/11.22.19.04
6. Notes
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