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dc.contributor.author Yamazaki, Yosuke
dc.contributor.author Kosch, Michael J.
dc.date.accessioned 2018-11-15T17:37:16Z
dc.date.available 2018-11-15T17:37:16Z
dc.date.issued 2015-02-16
dc.identifier.citation Yamazaki, Y., & Kosch, M. J. (2015). The equatorial electrojet during geomagnetic storms and substorms.==$Journal of Geophysical Research: Space Physics, 120$==(3), 2276-2287. https://doi.org/10.1002/2014JA020773 es_ES
dc.identifier.uri http://hdl.handle.net/20.500.12816/3635
dc.description.abstract He climatology of the equatorial electrojet during periods of enhanced geomagnetic activity is examined using long‐term records of ground‐based magnetometers in the Indian and Peruvian regions. Equatorial electrojet perturbations due to geomagnetic storms and substorms are evaluated using the disturbance storm time (Dst) index and auroral electrojet (AE) index, respectively. The response of the equatorial electrojet to rapid changes in the AE index indicates effects of both prompt penetration electric field and disturbance dynamo electric field, consistent with previous studies based on F region equatorial vertical plasma drift measurements at Jicamarca. The average response of the equatorial electrojet to geomagnetic storms (Dst<−50 nT) reveals persistent disturbances during the recovery phase, which can last for approximately 24 h after the Dst index reaches its minimum value. This “after‐storm” effect is found to depend on the magnitude of the storm, solar EUV activity, season, and longitude. es_ES
dc.format application/pdf es_ES
dc.language.iso eng es_ES
dc.publisher American Geophysical Union es_ES
dc.relation.ispartof urn:issn:2169-9380
dc.rights info:eu-repo/semantics/restrictedAccess es_ES
dc.subject Equatorial electrojet es_ES
dc.subject Ionospheric currents es_ES
dc.subject Geomagnetic storms es_ES
dc.subject Prompt penetration electric field es_ES
dc.subject Disturbance dynamo electric field es_ES
dc.subject Ground‐based magnetometers es_ES
dc.title The equatorial electrojet during geomagnetic storms and substorms es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.subject.ocde http://purl.org/pe-repo/ocde/ford#1.05.01 es_ES
dc.identifier.journal Journal of Geophysical Research: Space Physics es_ES
dc.description.peer-review Por pares es_ES
dc.identifier.doi https://doi.org/10.1002/2014JA020773 es_ES

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