Geomagnetic spikes on the core-mantle boundary

Rapid and spatially localized geomagnetic field variations around 1000 BC are hard to reconcile with expected field behaviour arising from the core dynamo. Here, the authors show that the intensity spike is consistent with an intense flux patch on the core-mantle boundary (8–22°) located under Saudi...

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Autores principales:	Christopher Davies, Catherine Constable
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Science Q
Acceso en línea:	https://doaj.org/article/7d04b49618e849c4bff093382a5fbd7a
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spelling	oai:doaj.org-article:7d04b49618e849c4bff093382a5fbd7a2021-12-02T14:42:08ZGeomagnetic spikes on the core-mantle boundary10.1038/ncomms155932041-1723https://doaj.org/article/7d04b49618e849c4bff093382a5fbd7a2017-05-01T00:00:00Zhttps://doi.org/10.1038/ncomms15593https://doaj.org/toc/2041-1723Rapid and spatially localized geomagnetic field variations around 1000 BC are hard to reconcile with expected field behaviour arising from the core dynamo. Here, the authors show that the intensity spike is consistent with an intense flux patch on the core-mantle boundary (8–22°) located under Saudi Arabia.Christopher DaviesCatherine ConstableNature PortfolioarticleScienceQENNature Communications, Vol 8, Iss 1, Pp 1-11 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Science Q
spellingShingle	Science Q Christopher Davies Catherine Constable Geomagnetic spikes on the core-mantle boundary
description	Rapid and spatially localized geomagnetic field variations around 1000 BC are hard to reconcile with expected field behaviour arising from the core dynamo. Here, the authors show that the intensity spike is consistent with an intense flux patch on the core-mantle boundary (8–22°) located under Saudi Arabia.
format	article
author	Christopher Davies Catherine Constable
author_facet	Christopher Davies Catherine Constable
author_sort	Christopher Davies
title	Geomagnetic spikes on the core-mantle boundary
title_short	Geomagnetic spikes on the core-mantle boundary
title_full	Geomagnetic spikes on the core-mantle boundary
title_fullStr	Geomagnetic spikes on the core-mantle boundary
title_full_unstemmed	Geomagnetic spikes on the core-mantle boundary
title_sort	geomagnetic spikes on the core-mantle boundary
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/7d04b49618e849c4bff093382a5fbd7a
work_keys_str_mv	AT christopherdavies geomagneticspikesonthecoremantleboundary AT catherineconstable geomagneticspikesonthecoremantleboundary
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Geomagnetic spikes on the core-mantle boundary

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