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1. Identity statement
Reference TypeJournal Article
Sitemtc-m21b.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W34P/3LRNLD5
Repositorysid.inpe.br/mtc-m21b/2016/06.10.13.44   (restricted access)
Last Update2016:06.10.13.45.02 (UTC) simone
Metadata Repositorysid.inpe.br/mtc-m21b/2016/06.10.13.44.40
Metadata Last Update2018:06.04.02.40.55 (UTC) administrator
DOI10.1186/s40562-016-0043-6
ISSN2196-4092
Citation KeyAbdu:2016:ElIoWe
TitleElectrodynamics of ionospheric weather over low latitudes
Year2016
Access Date2024, May 19
Type of Workjournal article
Secondary TypePRE PI
Number of Files1
Size6292 KiB
2. Context
AuthorAbdu, Mangalathayil Ali
Resume Identifier8JMKD3MGP5W/3C9JHNK
GroupDAE-CEA-INPE-MCTI-GOV-BR
AffiliationInstituto Nacional de Pesquisas Espaciais (INPE)
Author e-Mail Addressma.abdu@inpe.br
JournalGeoscience Letters
Volume3
Number11
History (UTC)2016-06-10 13:45:02 :: simone -> administrator :: 2016
2016-06-20 12:11:35 :: administrator -> simone :: 2016
2016-06-20 12:13:48 :: simone -> administrator :: 2016
2018-06-04 02:40:55 :: administrator -> simone :: 2016
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
AbstractThe dynamic state of the ionosphere at low latitudes is largely controlled by electric fields originating from dynamo actions by atmospheric waves propagating from below and the solar wind-magnetosphere interaction from above. These electric fields cause structuring of the ionosphere in wide ranging spatial and temporal scales that impact on space-based communication and navigation systems constituting an important segment of our technology-based day-to-day lives. The largest of the ionosphere structures, the equatorial ionization anomaly, with global maximum of plasma densities can cause propagation delays on the GNSS signals. The sunset electrodynamics is responsible for the generation of plasma bubble wide spectrum irregularities that can cause scintillation or even disruptions of satellite communication/navigation signals. Driven basically by upward propagating tides, these electric fields can suffer significant modulations from perturbation winds due to gravity waves, planetary/Kelvin waves, and non-migrating tides, as recent observational and modeling results have demonstrated. The changing state of the plasma distribution arising from these highly variable electric fields constitutes an important component of the ionospheric weather disturbances. Another, often dominating, component arises from solar disturbances when coronal mass ejection (CME) interaction with the earths magnetosphere results in energy transport to low latitudes in the form of storm time prompt penetration electric fields and thermospheric disturbance winds. As a result, drastic modifications can occur in the form of layer restructuring (Es-, F3 layers etc.), large total electron content (TEC) enhancements, equatorial ionization anomaly (EIA) latitudinal expansion/contraction, anomalous polarization electric fields/vertical drifts, enhanced growth/suppression of plasma structuring, etc. A brief review of our current understanding of the ionospheric weather variations and the electrodynamic processes underlying them and some outstanding questions will be presented in this paper.
AreaCEA
Arrangementurlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDAE > Electrodynamics of ionospheric weather...
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Mirror Repositoryurlib.net/www/2011/03.29.20.55
Next Higher Units8JMKD3MGPCW/3ETL868
Citing Item Listsid.inpe.br/bibdigital/2013/09.29.20.43 4
DisseminationPORTALCAPES
Host Collectionsid.inpe.br/mtc-m21b/2013/09.26.14.25.20
6. Notes
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