Peculiarities of the geomagnetic field secular variations at the 20th solar activity cycle

• Date: 2018
• Main Authors: Sumaruk, T. P., Sumaruk, P. V.
• Format: Article
• Language: Ukrainian
• Published: S. Subbotin Institute of Geophysics of the NAS of Ukraine 2018
• Subjects: secular variations; solar activity; geomagnetic activity; magnetospheric and ionospheric sources
• Online Access: https://journals.uran.ua/geofizicheskiy/article/view/137199
• Journal Title: Geofizicheskiy Zhurnal

The decrease of solar and; correspondingly; geomagnetic activities at the 20th cycle has reflected on the secular variations of the geomagnetic field. On the continental magnetic observatories of the Earth north hemisphere (Europe and North America) the effect was positive and maximal amplitude was...