The spatial structure of the dayside ionospheric trough
Tomographic imaging provides a powerful technique for obtaining images of the spatial distribution of ionospheric electron density at polar latitudes. The method, which involves monitoring radio transmissions from the Navy Navigation Satellite System at a meridional chain of ground receivers, has pa...
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ftdoajarticles:oai:doaj.org/article:66bbf0d2480b48738ed69e95c47b1cbe 2023-05-15T16:04:30+02:00 The spatial structure of the dayside ionospheric trough S. E. Pryse L. Kersley M. J. Williams I. K. Walker 1998-10-01T00:00:00Z https://doi.org/10.1007/s00585-998-1169-4 https://doaj.org/article/66bbf0d2480b48738ed69e95c47b1cbe EN eng Copernicus Publications https://www.ann-geophys.net/16/1169/1998/angeo-16-1169-1998.pdf https://doaj.org/toc/0992-7689 https://doaj.org/toc/1432-0576 doi:10.1007/s00585-998-1169-4 0992-7689 1432-0576 https://doaj.org/article/66bbf0d2480b48738ed69e95c47b1cbe Annales Geophysicae, Vol 16, Pp 1169-1179 (1998) Science Q Physics QC1-999 Geophysics. Cosmic physics QC801-809 article 1998 ftdoajarticles https://doi.org/10.1007/s00585-998-1169-4 2022-12-31T02:54:17Z Tomographic imaging provides a powerful technique for obtaining images of the spatial distribution of ionospheric electron density at polar latitudes. The method, which involves monitoring radio transmissions from the Navy Navigation Satellite System at a meridional chain of ground receivers, has particular potential for complementing temporal measurements by other observing techniques such as the EISCAT incoherent-scatter radar facility. Tomographic reconstructions are presented here from a two-week campaign in November 1995 that show large-scale structuring of the polar ionosphere. Measurements by the EISCAT radar confirm the authenticity of the technique and provide additional information of the plasma electron and ion temperatures. The dayside trough, persistently observed at high latitudes during a geomagnetically quiet period but migrating to lower latitudes with increasing activity, is discussed in relationship to the pattern of the polar-cap convection. Key words. Ionosphere-magnetosphere interactions · Polar ionosphere · Radio science · Ionospheric propagation Article in Journal/Newspaper EISCAT Directory of Open Access Journals: DOAJ Articles Annales Geophysicae 16 10 1169 1179 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Science Q Physics QC1-999 Geophysics. Cosmic physics QC801-809 |
spellingShingle |
Science Q Physics QC1-999 Geophysics. Cosmic physics QC801-809 S. E. Pryse L. Kersley M. J. Williams I. K. Walker The spatial structure of the dayside ionospheric trough |
topic_facet |
Science Q Physics QC1-999 Geophysics. Cosmic physics QC801-809 |
description |
Tomographic imaging provides a powerful technique for obtaining images of the spatial distribution of ionospheric electron density at polar latitudes. The method, which involves monitoring radio transmissions from the Navy Navigation Satellite System at a meridional chain of ground receivers, has particular potential for complementing temporal measurements by other observing techniques such as the EISCAT incoherent-scatter radar facility. Tomographic reconstructions are presented here from a two-week campaign in November 1995 that show large-scale structuring of the polar ionosphere. Measurements by the EISCAT radar confirm the authenticity of the technique and provide additional information of the plasma electron and ion temperatures. The dayside trough, persistently observed at high latitudes during a geomagnetically quiet period but migrating to lower latitudes with increasing activity, is discussed in relationship to the pattern of the polar-cap convection. Key words. Ionosphere-magnetosphere interactions · Polar ionosphere · Radio science · Ionospheric propagation |
format |
Article in Journal/Newspaper |
author |
S. E. Pryse L. Kersley M. J. Williams I. K. Walker |
author_facet |
S. E. Pryse L. Kersley M. J. Williams I. K. Walker |
author_sort |
S. E. Pryse |
title |
The spatial structure of the dayside ionospheric trough |
title_short |
The spatial structure of the dayside ionospheric trough |
title_full |
The spatial structure of the dayside ionospheric trough |
title_fullStr |
The spatial structure of the dayside ionospheric trough |
title_full_unstemmed |
The spatial structure of the dayside ionospheric trough |
title_sort |
spatial structure of the dayside ionospheric trough |
publisher |
Copernicus Publications |
publishDate |
1998 |
url |
https://doi.org/10.1007/s00585-998-1169-4 https://doaj.org/article/66bbf0d2480b48738ed69e95c47b1cbe |
genre |
EISCAT |
genre_facet |
EISCAT |
op_source |
Annales Geophysicae, Vol 16, Pp 1169-1179 (1998) |
op_relation |
https://www.ann-geophys.net/16/1169/1998/angeo-16-1169-1998.pdf https://doaj.org/toc/0992-7689 https://doaj.org/toc/1432-0576 doi:10.1007/s00585-998-1169-4 0992-7689 1432-0576 https://doaj.org/article/66bbf0d2480b48738ed69e95c47b1cbe |
op_doi |
https://doi.org/10.1007/s00585-998-1169-4 |
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Annales Geophysicae |
container_volume |
16 |
container_issue |
10 |
container_start_page |
1169 |
op_container_end_page |
1179 |
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1766400080178315264 |