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Artículo

Behavior of the Total Electron Content over the Arctic and Antarctic sectors during several intense geomagnetic storms

Mansilla, Gustavo AdolfoIcon
Fecha de publicación: 01/2019
Editorial: KeAi Communications
Revista: Geodesy and Geodynamics
ISSN: 1674-9847
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias de la Tierra y relacionadas con el Medio Ambiente

Resumen

In this paper, the behavior of TEC at three stations located in the Arctic and Antarctic sectors during some intense geomagnetic storms in the period 2012–2016 is analyzed. The results show the opposite storm effects in the Arctic and Antarctic regions. Both the positive and negative TEC disturbances presented more fluctuations over the Arctic stations than over the Antarctic stations. Moreover, the positive TEC disturbances were more significant in winter. The negative disturbances were generally long-lasting, sometimes interrupted by short-duration positive disturbances. Overall, the increases and decreases in TEC can be mainly attributed to changes (i.e., increase and decreases in the O/N 2 ratio respectively) in the thermospheric composition, but prompt penetration electric field could be responsible for the initial TEC disturbances. The thermospheric circulation and the disturbance dynamo, which are maintained due to prolonged high-energy input at high latitudes, can also play important roles at the end of main phase and during recovery phase.
Palabras clave: ARCTIC AND ANTARCTIC SECTORS , GEOMAGNETIC STORMS , TEC
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Atribución-NoComercial-SinDerivadas 2.5 Argentina (CC BY-NC-ND 2.5 AR)
Identificadores
URI: http://hdl.handle.net/11336/121680
DOI: https://doi.org/10.1016/j.geog.2019.01.004
URL: https://www.sciencedirect.com/science/article/pii/S1674984718300958
Colecciones
Articulos (INFINOA)
Articulos de INSTITUTO DE FISICA DEL NOROESTE ARGENTINO
Citación
Mansilla, Gustavo Adolfo; Behavior of the Total Electron Content over the Arctic and Antarctic sectors during several intense geomagnetic storms; KeAi Communications; Geodesy and Geodynamics; 10; 1; 1-2019; 26-36
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