On the origin of the fluctuations in the length of day and in the geomagnetic field on a decadal time scale

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There is, at present, strong evidence that on a decadal time scale the excess length of day variations are caused by the exchange of angular momentum between the liquid core and the solid mantle. Nevertheless the mechanism which facilitates the momentum exchange is still not understood. In the prese...

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Autores principales: Duhau, S., Martínez, E.A.
Formato: JOUR
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00948276_v22_n23_p3283_Duhau
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_00948276_v22_n23_p3283_Duhau
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spelling todo:paper_00948276_v22_n23_p3283_Duhau2023-10-03T14:56:24Z On the origin of the fluctuations in the length of day and in the geomagnetic field on a decadal time scale Duhau, S. Martínez, E.A. There is, at present, strong evidence that on a decadal time scale the excess length of day variations are caused by the exchange of angular momentum between the liquid core and the solid mantle. Nevertheless the mechanism which facilitates the momentum exchange is still not understood. In the present work a mechanism by which the magnetospheric equatorial ring current system controls the momentum exchange is introduced, some empirical insights about that mechanism are obtained from relevant data and the magnitudes of the involved magnetic fields are evaluated from these data. © 1995 American Geophysical Union. All Rights Reserved Fil:Martínez, E.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00948276_v22_n23_p3283_Duhau
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description There is, at present, strong evidence that on a decadal time scale the excess length of day variations are caused by the exchange of angular momentum between the liquid core and the solid mantle. Nevertheless the mechanism which facilitates the momentum exchange is still not understood. In the present work a mechanism by which the magnetospheric equatorial ring current system controls the momentum exchange is introduced, some empirical insights about that mechanism are obtained from relevant data and the magnitudes of the involved magnetic fields are evaluated from these data. © 1995 American Geophysical Union. All Rights Reserved
format JOUR
author Duhau, S.
Martínez, E.A.
spellingShingle Duhau, S.
Martínez, E.A.
On the origin of the fluctuations in the length of day and in the geomagnetic field on a decadal time scale
author_facet Duhau, S.
Martínez, E.A.
author_sort Duhau, S.
title On the origin of the fluctuations in the length of day and in the geomagnetic field on a decadal time scale
title_short On the origin of the fluctuations in the length of day and in the geomagnetic field on a decadal time scale
title_full On the origin of the fluctuations in the length of day and in the geomagnetic field on a decadal time scale
title_fullStr On the origin of the fluctuations in the length of day and in the geomagnetic field on a decadal time scale
title_full_unstemmed On the origin of the fluctuations in the length of day and in the geomagnetic field on a decadal time scale
title_sort on the origin of the fluctuations in the length of day and in the geomagnetic field on a decadal time scale
url http://hdl.handle.net/20.500.12110/paper_00948276_v22_n23_p3283_Duhau
work_keys_str_mv AT duhaus ontheoriginofthefluctuationsinthelengthofdayandinthegeomagneticfieldonadecadaltimescale
AT martinezea ontheoriginofthefluctuationsinthelengthofdayandinthegeomagneticfieldonadecadaltimescale
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