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dc.contributor.author Zhang, Ruilong
dc.contributor.author Liu, Libo
dc.contributor.author Le, Huijun
dc.contributor.author Chen, Yiding
dc.date.accessioned 2018-11-21T18:18:19Z
dc.date.available 2018-11-21T18:18:19Z
dc.date.issued 2017-05-09
dc.identifier.issn 1944-8007
dc.identifier.uri http://repositorio.igp.gob.pe/handle/IGP/3784
dc.description En: Geophysical Research Letters, v. 44, n. 10, (May 2017), p. 4558-4565.
dc.description.abstract "Previous investigations on ionospheric responses to solar flares focused mainly on the photoionization caused by the increased X‐rays and extreme ultraviolet irradiance. However, little attention was paid to the related electrodynamics. In this letter, we explored the equatorial electric field (EEF) and electrojet (EEJ) in the ionosphere at Jicamarca during flares from 1998 to 2008. It is verified that solar flares increase dayside eastward EEJ but decrease dayside eastward EEF, revealing a negative correlation between EEJ and EEF. The decreased EEF weakens the equatorial fountain effect and depresses the low‐latitude electron density. During flares, the enhancement in the Cowling conductivity may modulate ionospheric dynamo and decrease the EEF. Besides, the decreased EEF is closely related to the enhanced ASY‐H index that qualitatively reflects Region 2 field‐aligned current (R2 FAC). We speculated that solar flares may also decrease EEF through enhancing R2 FAC that leads to an overshielding‐like effect". es_ES
dc.format application/pdf es_ES
dc.language.iso en es_ES
dc.publisher Geophysical Research Letters es_ES
dc.rights info:eu-repo/semantics/restrictedAccess es_ES
dc.rights.uri http://creativecommons.org/licences/restrictedAccess es_ES
dc.source Repositorio institucional - IGP es_ES
dc.subject Actividad solar es_ES
dc.subject Ionósfera--Observaciones es_ES
dc.subject Ionósfera--Investigación es_ES
dc.subject Electrodinámica es_ES
dc.subject Campos eléctricos es_ES
dc.subject Electrochorro ecuatorial es_ES
dc.subject Densidad de electrones ionosféricos es_ES
dc.subject Radar de dispersión incoherente es_ES
dc.subject Radar--Perú--Observaciones es_ES
dc.title Equatorial ionospheric electrodynamics during solar flares es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.subject.ocde Atmósfera es_ES
dc.subject.ocde Observación es_ES
dc.subject.ocde Radar es_ES
dc.subject.ocde Geofísica es_ES
dc.subject.ocde Ciencias espaciales es_ES
dc.identifier.journal Geophysical Research Letters es_ES
dc.description.peer-review Por pares es_ES
dc.identifier.doi 10.1002/2017GL073238 es_ES

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