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Four decades of geomagnetic and solar activity: 1960-2001


Verbanac, Giuliana; Vršnak, Bojan; Temmer, Manuela; Mandea, Mioara; Korte, Monika
Four decades of geomagnetic and solar activity: 1960-2001 // Journal of Atmospheric and Solar-Terrestrial Physics, 72 (2010), 7-8; 607-616 doi:10.1016/j.jastp.2010.02.017 (međunarodna recenzija, članak, znanstveni)


Naslov
Four decades of geomagnetic and solar activity: 1960-2001

Autori
Verbanac, Giuliana ; Vršnak, Bojan ; Temmer, Manuela ; Mandea, Mioara ; Korte, Monika

Izvornik
Journal of Atmospheric and Solar-Terrestrial Physics (1364-6826) 72 (2010), 7-8; 607-616

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Space weather indices; Geomagnetic activity; Geoeffectiveness; Cross-correlation

Sažetak
We analyze the relationship between some space weather indices (Dst, Ap, F10.7) and geomagnetic effects on the regional (European) scale, over the period 1960–2001. The remaining external field signal (RES) detected in the Northward magnetic component of the European observatory annual means are used as an indicator of the regional geomagnetic activity. Relationship RES-F10.7 suggests correction factors for getting the geomagnetic annual means of the Northern component less affected by the external sources. We have found some time lags among investigated parameters. These delays may suggest that the Ap responds to the solar activity in a differently than Dst and RES, Ap being more sensitive to the high-speed streams (HSS) and the Alfvenic waves present in HSS, while Dst and RES being more influenced by the coronal mass ejections activity (CME).

Izvorni jezik
Engleski

Znanstvena područja
Fizika, Geologija



POVEZANOST RADA


Projekt / tema
007-0000000-1362 - Eruptivni procesi u Sunčevoj atmosferi (Bojan Vršnak, )
119-1193086-1314 - Istraživanje geomagnetskog polja i nehomogenosti litosfere u području Hrvatske (Davorka Herak, )

Ustanove
Geodetski fakultet, Zagreb,
Prirodoslovno-matematički fakultet, Zagreb

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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