IDEAS home Printed from https://ideas.repec.org/a/nat/nature/v502y2013i7470d10.1038_nature12574.html
   My bibliography  Save this article

Bottom-up control of geomagnetic secular variation by the Earth’s inner core

Author

Listed:
  • Julien Aubert

    (Dynamique des Fluides Géologiques, Institut de Physique du Globe de Paris, Sorbonne Paris Cité, Université Paris Diderot, UMR 7154 CNRS, F-75005 Paris, France)

  • Christopher C. Finlay

    (National Space Institute, Technical University of Denmark, Elektrovej, 2800 Kongens Lyngby, Denmark)

  • Alexandre Fournier

    (Géomagnétisme, Institut de Physique du Globe de Paris, Sorbonne Paris Cité, Université Paris Diderot, UMR 7154 CNRS, F-75005 Paris, France)

Abstract

The pattern of geomagnetic secular variation observed on the Earth’s surface is shown to be reproduced by two mechanisms relying on the inner core; this bottom-up heterogeneous driving of outer-core convection dominates top-down driving from mantle thermal heterogeneities.

Suggested Citation

  • Julien Aubert & Christopher C. Finlay & Alexandre Fournier, 2013. "Bottom-up control of geomagnetic secular variation by the Earth’s inner core," Nature, Nature, vol. 502(7470), pages 219-223, October.
    • Handle: RePEc:nat:nature:v:502:y:2013:i:7470:d:10.1038_nature12574
    DOI: 10.1038/nature12574
    as

    Download full text from publisher

    File URL: https://www.nature.com/articles/nature12574
    File Function: Abstract
    Download Restriction: Access to the full text of the articles in this series is restricted.
    File URL: https://libkey.io/10.1038/nature12574?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    As the access to this document is restricted, you may want to search for a different version of it.

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Wellington P. Oliveira & Gelvam A. Hartmann & Filipe Terra-Nova & Natália G. Pasqualon & Jairo F. Savian & Evandro F. Lima & Fernando R. Luz & Ricardo I. F. Trindade, 2024. "Long-term persistency of a strong non-dipole field in the South Atlantic," Nature Communications, Nature, vol. 15(1), pages 1-10, December.

    More about this item

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:nat:nature:v:502:y:2013:i:7470:d:10.1038_nature12574. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no bibliographic references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Sonal Shukla or Springer Nature Abstracting and Indexing (email available below). General contact details of provider: http://www.nature.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.