Comparison of electric fields measured at F-region heights with 150 km - irregularity drift measurements

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The potential to observe the E-W electric field in the equatorial ionosphere using the strong coherent echoes obtained by the Jicamarca radar from irregularities present at the Magnetic Equator, in the altitude range between 135 and 175 km, has been established by Kudeki and Fawcett (September, 1993...

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Detalles Bibliográficos
Autores: Woodman Pollitt, Ronald Francisco, Villanueva, Fernando
Formato: documento de trabajo
Fecha de Publicación:1995
Institución:Instituto Geofísico del Perú
Repositorio:IGP-Institucional
Lenguaje:inglés
OAI Identifier:oai:repositorio.igp.gob.pe:20.500.12816/611
Enlace del recurso:http://hdl.handle.net/20.500.12816/611
Nivel de acceso:acceso abierto
Materia:Electric fields
Ionosphere
Echoes
Measurement
F Region
http://purl.org/pe-repo/ocde/ford#1.05.01
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dc.title.none.fl_str_mv Comparison of electric fields measured at F-region heights with 150 km - irregularity drift measurements
title Comparison of electric fields measured at F-region heights with 150 km - irregularity drift measurements
spellingShingle Comparison of electric fields measured at F-region heights with 150 km - irregularity drift measurements
Woodman Pollitt, Ronald Francisco
Electric fields
Ionosphere
Echoes
Measurement
F Region
http://purl.org/pe-repo/ocde/ford#1.05.01
title_short Comparison of electric fields measured at F-region heights with 150 km - irregularity drift measurements
title_full Comparison of electric fields measured at F-region heights with 150 km - irregularity drift measurements
title_fullStr Comparison of electric fields measured at F-region heights with 150 km - irregularity drift measurements
title_full_unstemmed Comparison of electric fields measured at F-region heights with 150 km - irregularity drift measurements
title_sort Comparison of electric fields measured at F-region heights with 150 km - irregularity drift measurements
author Woodman Pollitt, Ronald Francisco
author_facet Woodman Pollitt, Ronald Francisco
Villanueva, Fernando
author_role author
author2 Villanueva, Fernando
author2_role author
dc.contributor.author.fl_str_mv Woodman Pollitt, Ronald Francisco
Villanueva, Fernando
dc.subject.none.fl_str_mv Electric fields
Ionosphere
Echoes
Measurement
F Region
topic Electric fields
Ionosphere
Echoes
Measurement
F Region
http://purl.org/pe-repo/ocde/ford#1.05.01
dc.subject.ocde.none.fl_str_mv http://purl.org/pe-repo/ocde/ford#1.05.01
description The potential to observe the E-W electric field in the equatorial ionosphere using the strong coherent echoes obtained by the Jicamarca radar from irregularities present at the Magnetic Equator, in the altitude range between 135 and 175 km, has been established by Kudeki and Fawcett (September, 1993). They based their claims by comparing vertical drift measurements at these altitudes with simultaneous ground magnetogram records made in Ancon, which showed a high non linear correlation between the two. In this paper we present more direct correspondence by comparing simultaneous measurements made at F-region heights, using the standard I.S. technique with measurements made using the coherent echoes at the 135-175 km altitude. The correspondence is one to one. In addition, it is shown that there is also correspondence between the E-W drifts (vertical component of the electric field) measured at these two altitude ranges. Furthermore, it is shown that samples taken, for the last 3 years, at the 190 km nominal altitude, with the usual Jicamarca F-region drift mode, are strongly "contaminated" by the filtered tail from the stronger lower altitude coherent echoes and carry the same vertical drift information. The correspondence again is one to one, with the added advantage that their error bars are much smaller. This "contaminated" data was excluded in the past from the usual analysis. We are now recovering it to produce cleaner vertical and E-'N drifts drift series during the day. The new data presents special advantages in studding the effects of magnetic storms at a highcr resolution. Previously, one minute resolution data was too noisy to detect small and fast electric field perturbations.
publishDate 1995
dc.date.accessioned.none.fl_str_mv 2017-12-21T19:41:49Z
dc.date.available.none.fl_str_mv 2017-12-21T19:41:49Z
dc.date.issued.fl_str_mv 1995
dc.type.none.fl_str_mv info:eu-repo/semantics/workingPaper
format workingPaper
dc.identifier.citation.none.fl_str_mv Woodman, R. F. & Villanueva, F. (1995). Comparison of electric fields measured at F-region heights with 150 km - irregularity drift measurements.
dc.identifier.uri.none.fl_str_mv http://hdl.handle.net/20.500.12816/611
identifier_str_mv Woodman, R. F. & Villanueva, F. (1995). Comparison of electric fields measured at F-region heights with 150 km - irregularity drift measurements.
url http://hdl.handle.net/20.500.12816/611
dc.language.iso.none.fl_str_mv eng
language eng
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
dc.rights.uri.none.fl_str_mv https://creativecommons.org/licences/by/4.0/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licences/by/4.0/
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dc.publisher.none.fl_str_mv Editor no identificado
publisher.none.fl_str_mv Editor no identificado
dc.source.none.fl_str_mv reponame:IGP-Institucional
instname:Instituto Geofísico del Perú
instacron:IGP
instname_str Instituto Geofísico del Perú
instacron_str IGP
institution IGP
reponame_str IGP-Institucional
collection IGP-Institucional
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spelling Woodman Pollitt, Ronald FranciscoVillanueva, Fernando2017-12-21T19:41:49Z2017-12-21T19:41:49Z1995Woodman, R. F. & Villanueva, F. (1995). Comparison of electric fields measured at F-region heights with 150 km - irregularity drift measurements.http://hdl.handle.net/20.500.12816/611The potential to observe the E-W electric field in the equatorial ionosphere using the strong coherent echoes obtained by the Jicamarca radar from irregularities present at the Magnetic Equator, in the altitude range between 135 and 175 km, has been established by Kudeki and Fawcett (September, 1993). They based their claims by comparing vertical drift measurements at these altitudes with simultaneous ground magnetogram records made in Ancon, which showed a high non linear correlation between the two. In this paper we present more direct correspondence by comparing simultaneous measurements made at F-region heights, using the standard I.S. technique with measurements made using the coherent echoes at the 135-175 km altitude. The correspondence is one to one. In addition, it is shown that there is also correspondence between the E-W drifts (vertical component of the electric field) measured at these two altitude ranges. Furthermore, it is shown that samples taken, for the last 3 years, at the 190 km nominal altitude, with the usual Jicamarca F-region drift mode, are strongly "contaminated" by the filtered tail from the stronger lower altitude coherent echoes and carry the same vertical drift information. The correspondence again is one to one, with the added advantage that their error bars are much smaller. This "contaminated" data was excluded in the past from the usual analysis. We are now recovering it to produce cleaner vertical and E-'N drifts drift series during the day. The new data presents special advantages in studding the effects of magnetic storms at a highcr resolution. 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