Atmospheric electric field effects of cosmic rays detected in Mexico City

We studied the possible effects of atmospheric electric fields, generated in thunderstorms, on the cosmic ray intensity detected at the Earth’s surface by investigating the variations of the counting rates of the cosmic-ray nucleonic component, obtained from the neutron monitor installed in Mexico C...

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Main Authors: J. F. Valdés-Galicia, L. X. González
Format: Article
Language:English
Published: Universidad Nacional Autónoma de México, Instituto de Geofísica 2006-09-01
Series:Geofísica Internacional
Subjects:
Online Access:http://www.geofisica.unam.mx/unid_apoyo/editorial/publicaciones/investigacion/geofisica_internacional/anteriores/2006/04/Gonzalez1.pdf
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author J. F. Valdés-Galicia
L. X. González
author_facet J. F. Valdés-Galicia
L. X. González
author_sort J. F. Valdés-Galicia
collection DOAJ
description We studied the possible effects of atmospheric electric fields, generated in thunderstorms, on the cosmic ray intensity detected at the Earth’s surface by investigating the variations of the counting rates of the cosmic-ray nucleonic component, obtained from the neutron monitor installed in Mexico City, for thunderstorms during 1996 and 1997. These were years of minimum solar activity. We compare our experimental results with the general theory of cosmic ray meteorological effects by Dorman (1995).The observed intensity variation is about 0.2%. According to Dorman (1995), the effect should be between 0.27% and 0.81% on the counting rate of the neutron monitor when the atmospheric electric field intensities are around 100 to 300 Vcm-1. Our results show that either the electric field in Mexico City had less intensity than assumed by Dorman (1995), or the electric field is not uniform in time and height during the development of the thunderstorm.
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spelling doaj.art-9754e4aa24414c5688ccefb916f8fa022023-09-02T17:14:42ZengUniversidad Nacional Autónoma de México, Instituto de GeofísicaGeofísica Internacional0016-71692006-09-01454255262Atmospheric electric field effects of cosmic rays detected in Mexico CityJ. F. Valdés-GaliciaL. X. GonzálezWe studied the possible effects of atmospheric electric fields, generated in thunderstorms, on the cosmic ray intensity detected at the Earth’s surface by investigating the variations of the counting rates of the cosmic-ray nucleonic component, obtained from the neutron monitor installed in Mexico City, for thunderstorms during 1996 and 1997. These were years of minimum solar activity. We compare our experimental results with the general theory of cosmic ray meteorological effects by Dorman (1995).The observed intensity variation is about 0.2%. According to Dorman (1995), the effect should be between 0.27% and 0.81% on the counting rate of the neutron monitor when the atmospheric electric field intensities are around 100 to 300 Vcm-1. Our results show that either the electric field in Mexico City had less intensity than assumed by Dorman (1995), or the electric field is not uniform in time and height during the development of the thunderstorm.http://www.geofisica.unam.mx/unid_apoyo/editorial/publicaciones/investigacion/geofisica_internacional/anteriores/2006/04/Gonzalez1.pdfAtmospheric electric fieldcosmic rays
spellingShingle J. F. Valdés-Galicia
L. X. González
Atmospheric electric field effects of cosmic rays detected in Mexico City
Geofísica Internacional
Atmospheric electric field
cosmic rays
title Atmospheric electric field effects of cosmic rays detected in Mexico City
title_full Atmospheric electric field effects of cosmic rays detected in Mexico City
title_fullStr Atmospheric electric field effects of cosmic rays detected in Mexico City
title_full_unstemmed Atmospheric electric field effects of cosmic rays detected in Mexico City
title_short Atmospheric electric field effects of cosmic rays detected in Mexico City
title_sort atmospheric electric field effects of cosmic rays detected in mexico city
topic Atmospheric electric field
cosmic rays
url http://www.geofisica.unam.mx/unid_apoyo/editorial/publicaciones/investigacion/geofisica_internacional/anteriores/2006/04/Gonzalez1.pdf
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AT lxgonzalez atmosphericelectricfieldeffectsofcosmicraysdetectedinmexicocity