Gyre-driven decay of the Earth’s magnetic dipole

The magnitude of the Earth’s magnetic dipole has decreased by 9% over the past 175 years. Here, the authors suggest that the rate of dipole decay is controlled by a huge gyre in the liquid metal outer core acting on a field asymmetry, and that decay is set to continue for the next few decades.

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Detalles Bibliográficos
Autores principales:	Christopher C. Finlay, Julien Aubert, Nicolas Gillet
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2016
Materias:	Science Q
Acceso en línea:	https://doaj.org/article/c3bf34e965a44e48bd7595263a381a20
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id	oai:doaj.org-article:c3bf34e965a44e48bd7595263a381a20
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spelling	oai:doaj.org-article:c3bf34e965a44e48bd7595263a381a202021-12-02T16:49:25ZGyre-driven decay of the Earth’s magnetic dipole10.1038/ncomms104222041-1723https://doaj.org/article/c3bf34e965a44e48bd7595263a381a202016-01-01T00:00:00Zhttps://doi.org/10.1038/ncomms10422https://doaj.org/toc/2041-1723The magnitude of the Earth’s magnetic dipole has decreased by 9% over the past 175 years. Here, the authors suggest that the rate of dipole decay is controlled by a huge gyre in the liquid metal outer core acting on a field asymmetry, and that decay is set to continue for the next few decades.Christopher C. FinlayJulien AubertNicolas GilletNature PortfolioarticleScienceQENNature Communications, Vol 7, Iss 1, Pp 1-8 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	Science Q
spellingShingle	Science Q Christopher C. Finlay Julien Aubert Nicolas Gillet Gyre-driven decay of the Earth’s magnetic dipole
description	The magnitude of the Earth’s magnetic dipole has decreased by 9% over the past 175 years. Here, the authors suggest that the rate of dipole decay is controlled by a huge gyre in the liquid metal outer core acting on a field asymmetry, and that decay is set to continue for the next few decades.
format	article
author	Christopher C. Finlay Julien Aubert Nicolas Gillet
author_facet	Christopher C. Finlay Julien Aubert Nicolas Gillet
author_sort	Christopher C. Finlay
title	Gyre-driven decay of the Earth’s magnetic dipole
title_short	Gyre-driven decay of the Earth’s magnetic dipole
title_full	Gyre-driven decay of the Earth’s magnetic dipole
title_fullStr	Gyre-driven decay of the Earth’s magnetic dipole
title_full_unstemmed	Gyre-driven decay of the Earth’s magnetic dipole
title_sort	gyre-driven decay of the earth’s magnetic dipole
publisher	Nature Portfolio
publishDate	2016
url	https://doaj.org/article/c3bf34e965a44e48bd7595263a381a20
work_keys_str_mv	AT christophercfinlay gyredrivendecayoftheearthsmagneticdipole AT julienaubert gyredrivendecayoftheearthsmagneticdipole AT nicolasgillet gyredrivendecayoftheearthsmagneticdipole
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Gyre-driven decay of the Earth’s magnetic dipole

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