Searching for Carrington-like events and their signatures and triggers
Autores
Saiz Villanueva, María Elena; Guerrero Ortega, Antonio; Cid Tortuero, Consuelo; Palacios Hernández, Judith; Cerrato Montalbán, YolandaIdentificadores
Enlace permanente (URI): http://hdl.handle.net/10017/54483DOI: 10.1051/swsc/2016001
ESSN: 2115-7251
Editor
EDP Sciences
Fecha de publicación
2016-01-26Patrocinadores
Ministerio de Economía y Competitividad
Cita bibliográfica
Saiz, E. et al. 2016, "Searching for Carrington-like events and their signatures and triggers", Journal of Space Weather and Space Climate, vol. 6, art. no. A6.
Palabras clave
Interplanetary medium
Geomagnetism
Space weather
Storm
Indices
Proyectos
info:eu-repo/grantAgreement/MINECO//AYA2013-47735-P/ES/NUEVOS RETOS EN LA CIENCIA DE LA INTERACCION SOL-TIERRA ANTE LAS NECESIDADES TECNOLOGICAS DE LA SOCIEDAD ACTUAL/
Tipo de documento
info:eu-repo/semantics/article
Versión
info:eu-repo/semantics/publishedVersion
Versión del editor
https://doi.org/10.1051/swsc/2016001Derechos
Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
Derechos de acceso
info:eu-repo/semantics/openAccess
Resumen
The Carrington storm in 1859 is considered to be the major geomagnetic disturbance related to solar activity. In a recent paper, Cid et al. (2015) discovered a geomagnetic disturbance case with a profile extraordinarily similar to the disturbance of the Carrington event at Colaba, but at a mid-latitude observatory, leading to a reinterpretation of the 1859 event. Based on those results, this paper performs a deep search for other ?Carrington-like? events and analyses interplanetary observations leading to the ground disturbances which emerged from the systematic analysis. The results of this study based on two Carrington-like events (1) reinforce the awareness about the possibility of missing hazardous space weather events as the large H-spike recorded at Colaba by using global geomagnetic indices, (2) argue against the role of the ring current as the major current involved in Carrington-like events, leaving field-aligned currents (FACs) as the main current involved and (3) propose abrupt southward reversals of IMF along with high solar wind pressure as the interplanetary trigger of a Carrington-like event.
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