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Volume 35, issue 4
Ann. Geophys., 35, 799–804, 2017
https://doi.org/10.5194/angeo-35-799-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: The Earth’s magnetic field: measurements, data, and applications...

Ann. Geophys., 35, 799–804, 2017
https://doi.org/10.5194/angeo-35-799-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Regular paper 13 Jul 2017

Regular paper | 13 Jul 2017

Automatic detection of Sfe: a proposal

Juan José Curto et al.
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Cited articles  
Araki, T.: A physical model of geomagnetic sudden commencement, AGU Geophys. Monogr., 81, 183–200, 1994.
Curto, J. J. and Gaya-Piqué, L. R.: Geoeffectiveness of Solar Flares in magnetic crochet (sfe) Production: I – Dependence on their spectral nature and position on the solar disk, J. Atmos. Sol.-Terr. Phy., 71, 1695–1704. https://doi.org/10.1016/j.jastp.2008.06.018, 2009a.
Curto, J. J. and Gaya-Piqué, L. R.: Geoeffectiveness of Solar Flares in magnetic crochet (sfe) Production: II – Dependence on the detection method, J. Atmos. Sol.-Terr. Phy., 71, 1705–1710, https://doi.org/10.1016/j.jastp.2007.12.003, 2009b.
Curto, J. J., Amory-Mazaudier, C., Cardús, J. O., Torta, J. M., and Menvielle, M.: Solar flare effects at Ebre: Regular and reversed solar flare effects, statistical analysis (1953 to 1985), a global case study and a model of elliptical ionospheric currents, J. Geophys. Res., 99, 3945–3954, 1994a.
Curto, J. J., Amory-Mazaudier, C., Cardús, J. O., Torta, J. M., and Menvielle, M.: Solar flare effects at Ebre: Unidimentional physical, integrated model, J. Geophys. Res., 99, 23289–23296, 1994b.
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In this paper, we summarize the difficulties that Sfe detection presents and explain a line of work we initiated to overcome these difficulties with the goal of achieving a system capable of performing automatic detection. Some properties of Sfe, including spherical symmetry around the vortex and different time durations between Sfe and other natural variations, were used to construct an index allowing us to detect Sfe.
In this paper, we summarize the difficulties that Sfe detection presents and explain a line of...
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