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Geomagnetic Jerks : Rapid Core Field Variations and Core Dynamics

Mandea, M.; Holme, R.; Pais, A.; Pinheiro, K.; Jackson, A.; Verbanac, Giuliana
Geomagnetic Jerks : Rapid Core Field Variations and Core Dynamics // Space science reviews, 155 (2010), 1/4; 147-175 doi:10.1007/s11214-010-9663-x (međunarodna recenzija, članak, znanstveni)

Geomagnetic Jerks : Rapid Core Field Variations and Core Dynamics

Mandea, M. ; Holme, R. ; Pais, A. ; Pinheiro, K. ; Jackson, A. ; Verbanac, Giuliana

Space science reviews (0038-6308) 155 (2010), 1/4; 147-175

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

Ključne riječi
Core field; secular variations; geomagnetic jerks; core flows

The secular variation of the core field is generally characterized by smooth variations, sometimes interrupted by abrupt changes, named geomagnetic jerks. The origin of these events, observed and investigated for over three decades, is still not fully understood. Many fundamental features of geomagnetic jerks have been the subject of debate, including their origin internal or external to the Earth, their occurrence dates, their duration and their global or regional character. Specific tools have been developed to detect them in geomagnetic field or secular variation time series. Recently, their investigation has been advanced by the availability of a decade of high-quality satellite measurements. Moreover, advances in the modelling of the core field and its variations have brought new perspectives on the fluid motion at the top of the core, and opened new avenues in our search for the origin of geomagnetic jerks. Correlations have been proposed between geomagnetic jerks and some other geophysical observables, indicating the substantial interest in this topic in our scientific community. This paper summarizes the recent advances in our understanding and interpretation of geomagnetic jerks.

Izvorni jezik

Znanstvena područja


Prirodoslovno-matematički fakultet, Zagreb

Autor s matičnim brojem:
Giuliana Verbanac, (255244)

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