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dc.contributor.author Alken, Patrick
dc.contributor.author Maus, Stefan
dc.date.accessioned 2018-11-06T11:57:11Z
dc.date.available 2018-11-06T11:57:11Z
dc.date.issued 2010-02-26
dc.identifier.issn 1944-8007
dc.identifier.uri http://repositorio.igp.gob.pe/handle/IGP/3320
dc.description.abstract "The equatorial electrojet (EEJ) is a strong ionospheric current along the magnetic equator driven by the day side eastward electric field. Current strength is affected by two‐stream and gradient‐drift instabilities which pose a serious obstacle to quantitative electrodynamic modeling of the equatorial ionosphere. Using highly accurate radar and magnetic field measurements taken over the past decade, we deduce empirical relations between the observed EEJ and the driving eastward electric field. These indicate that the current strength is largely unaffected by instabilities for eastward fields in the range of −0.4 mV/m to 0.07 mV/m. This is followed by a band of moderate current reduction from 0.07 mV/m to 1 mV/m, consistent with predictions for the gradient drift instability. At even stronger eastward fields, a further current reduction is observed, as expected for the two‐stream instability. These non‐linear empirical relations can be used to correct ionospheric electric field strengths inferred from space and ground‐based magnetic field measurements". es_ES
dc.format application/pdf es_ES
dc.language.iso eng 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 Electrochorro ecuatorial es_ES
dc.subject Campos eléctricos es_ES
dc.subject Ionósfera--Mediciones es_ES
dc.subject Ionósfera--Observaciones es_ES
dc.subject Campos magnéticos es_ES
dc.subject Satélites artificiales es_ES
dc.subject Radar--Observaciones es_ES
dc.subject Radar--Perú--Mediciones es_ES
dc.subject Radar de dispersión incoherente es_ES
dc.subject Radar coherente es_ES
dc.title Relationship between the ionospheric eastward electric field and the equatorial electrojet 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 Medición es_ES
dc.subject.ocde Perú es_ES
dc.subject.ocde Geofísica es_ES
dc.identifier.journal Geophysical Research Letters es_ES
dc.description.peer-review Por pares es_ES
dc.identifier.doi 10.1029/2009GL041989 es_ES

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