Electrical and thermal anomalies in the central andean subduction zone

An enhancement of the electrical conductivity in the upper layers in the subduction zones of southern Peru and northern Argentina is found by analyzing the solar quiet geomagnetic variations. This feature appears in a zone associated with large subduction angles. In this region high values of heat f...

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Publicado: 1997
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Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00334553_v149_n2_p391_Favetto
http://hdl.handle.net/20.500.12110/paper_00334553_v149_n2_p391_Favetto
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spelling paper:paper_00334553_v149_n2_p391_Favetto2023-06-08T15:00:31Z Electrical and thermal anomalies in the central andean subduction zone Central Andes Electrical anomaly Thermal anomaly electrical conductivity heat flow subduction zone thermal anomaly South America, Andes An enhancement of the electrical conductivity in the upper layers in the subduction zones of southern Peru and northern Argentina is found by analyzing the solar quiet geomagnetic variations. This feature appears in a zone associated with large subduction angles. In this region high values of heat flow have been measured, therefore a one-dimensional thermal model is proposed using regional characteristic parameters to reproduce these values. It is found that thermal convection necessarily plays a contributing role. This effect may be produced by the ascending magma and fluids, which can explain the enhancement of the electrical conductivity. 1997 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00334553_v149_n2_p391_Favetto http://hdl.handle.net/20.500.12110/paper_00334553_v149_n2_p391_Favetto
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Central Andes
Electrical anomaly
Thermal anomaly
electrical conductivity
heat flow
subduction zone
thermal anomaly
South America, Andes
spellingShingle Central Andes
Electrical anomaly
Thermal anomaly
electrical conductivity
heat flow
subduction zone
thermal anomaly
South America, Andes
Electrical and thermal anomalies in the central andean subduction zone
topic_facet Central Andes
Electrical anomaly
Thermal anomaly
electrical conductivity
heat flow
subduction zone
thermal anomaly
South America, Andes
description An enhancement of the electrical conductivity in the upper layers in the subduction zones of southern Peru and northern Argentina is found by analyzing the solar quiet geomagnetic variations. This feature appears in a zone associated with large subduction angles. In this region high values of heat flow have been measured, therefore a one-dimensional thermal model is proposed using regional characteristic parameters to reproduce these values. It is found that thermal convection necessarily plays a contributing role. This effect may be produced by the ascending magma and fluids, which can explain the enhancement of the electrical conductivity.
title Electrical and thermal anomalies in the central andean subduction zone
title_short Electrical and thermal anomalies in the central andean subduction zone
title_full Electrical and thermal anomalies in the central andean subduction zone
title_fullStr Electrical and thermal anomalies in the central andean subduction zone
title_full_unstemmed Electrical and thermal anomalies in the central andean subduction zone
title_sort electrical and thermal anomalies in the central andean subduction zone
publishDate 1997
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00334553_v149_n2_p391_Favetto
http://hdl.handle.net/20.500.12110/paper_00334553_v149_n2_p391_Favetto
_version_ 1768546106414727168