Behaviour of the ionospheric F2-layer during geomagnetic storms in southern middle latitudes

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Publicado: abr 1, 1996
DOI: https://doi.org/10.22201/igeof.00167169p.1996.35.2.645
Palabras clave:
Capa F2, tormenta geomagnética, campos eléctricos, vientos termosféricos

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Gustavo Adolfo Mansilla
Laboratorio de Ionosfera-Instituto de Física, Facultad de Ciencias Exactas y Tecnología, Universidad Nacional de Tucumán, Argentina.

Resumen

En este trabajo se estudia el comportamiento de la capa F2 durante dos tormentas geomagnéticas usándose valores horarios de NmF2 y h'F2 de cuatro estaciones del hemisferio sur. Los resultados muestran grandes incrementos en NmF2 y h'F2 durante días perturbados respecto a las medianas mensuales. Se sugiere que la deriva hacia arriba del plasma ionosférico es debida a un campo eléctrico de dirección este de origen magnetosférico, durante el primer día de la tormenta. En días subsiguientes, los vientos termosféricos juegan un papel importante durante la fase positiva de las tormentas.

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Mansilla, G. A. (1996). Behaviour of the ionospheric F2-layer during geomagnetic storms in southern middle latitudes. Geofísica Internacional, 35(2), 169–174. https://doi.org/10.22201/igeof.00167169p.1996.35.2.645
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Vol. 35 Núm. 2 (1996): Abril 1, 1996
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