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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/3RFK4PP
Repositorysid.inpe.br/mtc-m21c/2018/07.18.14.59
Metadata Repositorysid.inpe.br/mtc-m21c/2018/07.18.14.59.54
Metadata Last Update2019:01.18.02.41.38 (UTC) administrator
Secondary KeyINPE--PRE/
Citation KeyAdhikariMendDomiEche:2018:ChHiIn
TitleCharacteristics of high intensity long duration continuous auroral activities (hildcaas) and estimation of akasofu parameters along with its correction
Year2018
Access Date2024, May 17
Secondary TypePRE CI
2. Context
Author1 Adhikari, Binod
2 Mendes Júnior, Odim
3 Domingues, Margarete Oliveira
4 Echer, Ezequiel
Resume Identifier1
2 8JMKD3MGP5W/3C9JJ28
3 8JMKD3MGP5W/3C9JHQP
4 8JMKD3MGP5W/3C9JH3D
Group1
2 DIDGE-CGCEA-INPE-MCTIC-GOV-BR
3 LABAC-COCTE-INPE-MCTIC-GOV-BR
4 DIDGE-CGCEA-INPE-MCTIC-GOV-BR
Affiliation1 St. Xavier’s College
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 binod.adhi@gmail.com
2 odim.mendes@inpe.br
3 margarete.domingues@inpe.br
4 ezequiel.echer@inpe.br
Conference NameCospar Scientific Assembly, 42
Conference LocationPasadena, California
Date14-22 July
History (UTC)2018-07-18 15:00:16 :: simone -> administrator :: 2018
2018-07-20 02:06:44 :: administrator -> simone :: 2018
2018-08-08 11:41:00 :: simone -> administrator :: 2018
2019-01-18 02:41:38 :: administrator -> simone :: 2018
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
AbstractHigh Intensity Long Duration Continuous AE Activities (HILDCAAs) are form of geomagnetic disturbances caused by intermittent magnetic reconnection. By definition of HILDCAAs, which are intense auroral activity characterized by peak AE intensity greater than 1000nT at least for 2 days and within this period the value of AE never drops below 200nT for more than 2 h at a time. In our work, we study the characteristics of HILDCAA events based on auroral electrojet index and component of interplanetary magnetic field (Bz) using continuous wavelet transform and discrete wavelet transform. We also estimate the Akasofu parameters and its corrections during HILDCAAs. We found that during HILDCAAs, there is high fluctuation in IMF-Bz with corresponding peak of AE index. The CWT analysis shows highest intensity power areas from 50 to 300 minutes for both AE and Bz during the HILDCAAs. In DWT analysis, we used higher level of decomposition to identity the common singularities present on AE and Bz. Moreover, we found that different HILDCAA events have different geoeffectiveness based on their interplanetary cause and the amount of the average energy transferred to the magnetospheric/ionospheric system. We also found that second correction in Akasofu parameter gives nearly thrice the amount of energy predicted by Akasofu parameter without correction. This indicates that the solar wind magnetosphere energy coupling efficiency during the main phase of the storm is larger than in the HILDCAA interval.
AreaCEA
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4. Conditions of access and use
Languageen
User Groupsimone
Reader Groupadministrator
simone
Visibilityshown
Update Permissionnot transferred
5. Allied materials
Linking8JMKD3MGP3W34P/3J3GH78
Mirror Repositoryurlib.net/www/2017/11.22.19.04.03
Next Higher Units8JMKD3MGPCW/3ESGTTP
8JMKD3MGPCW/3EU29DP
Host Collectionurlib.net/www/2017/11.22.19.04
6. Notes
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