Radar observations of ionospheric irregularities at Syowa Station, Antarctica: a brief overview
We briefly overview the radar observations that have been made for 30 years at Syowa Station, Antarctica for studying small-scale electron-density irregularities in the southern high-latitude <i>E</i>- and <i>F</i>-region ionosphere. Some observational results (i.e., long-...
| Main Author: | |
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| Format: | Article |
| Language: | English |
| Published: |
Copernicus Publications
1996-12-01
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| Series: | Annales Geophysicae |
| Online Access: | https://www.ann-geophys.net/14/1454/1996/angeo-14-1454-1996.pdf |
| _version_ | 1819110212079976448 |
|---|---|
| author | T. Ogawa |
| author_facet | T. Ogawa |
| author_sort | T. Ogawa |
| collection | DOAJ |
| description | We briefly overview the radar observations
that have been made for 30 years at Syowa Station, Antarctica for studying
small-scale electron-density irregularities in the southern high-latitude <i>E</i>-
and <i>F</i>-region ionosphere. Some observational results (i.e., long-term
variations of radio aurora, Doppler spectra with narrow spectral widths and low
Doppler velocities, and simultaneous observations of radar and optical auroras)
from VHF radars capable of detecting 1.3- to 3-m scale irregularities are
presented. A new 50-MHz radar system equipped with phased-antenna arrays began
operation in February 1995 to observe two-dimensional behaviours of <i>E</i>-region
irregularities. An HF radar experiment also began in February 1995 to explore
decameter-scale <i>E</i>- and <i>F</i>-region irregularities in the auroral zone
and polar cap. These two radars will contribute to a better understanding of the
ionospheric irregularities and ionospheric physics at southern high latitudes. |
| first_indexed | 2024-12-22T03:38:07Z |
| format | Article |
| id | doaj.art-f2179d10a1cf4788bc38dc645f0af96c |
| institution | Directory Open Access Journal |
| issn | 0992-7689 1432-0576 |
| language | English |
| last_indexed | 2024-12-22T03:38:07Z |
| publishDate | 1996-12-01 |
| publisher | Copernicus Publications |
| record_format | Article |
| series | Annales Geophysicae |
| spelling | doaj.art-f2179d10a1cf4788bc38dc645f0af96c2022-12-21T18:40:19ZengCopernicus PublicationsAnnales Geophysicae0992-76891432-05761996-12-01141454146110.1007/s00585-996-1454-zRadar observations of ionospheric irregularities at Syowa Station, Antarctica: a brief overviewT. Ogawa0Solar-Terrestrial Environment Laboratory, Nagoya University, 3-13 Honohara, Toyokawa, Aichi 442, JapanlWe briefly overview the radar observations that have been made for 30 years at Syowa Station, Antarctica for studying small-scale electron-density irregularities in the southern high-latitude <i>E</i>- and <i>F</i>-region ionosphere. Some observational results (i.e., long-term variations of radio aurora, Doppler spectra with narrow spectral widths and low Doppler velocities, and simultaneous observations of radar and optical auroras) from VHF radars capable of detecting 1.3- to 3-m scale irregularities are presented. A new 50-MHz radar system equipped with phased-antenna arrays began operation in February 1995 to observe two-dimensional behaviours of <i>E</i>-region irregularities. An HF radar experiment also began in February 1995 to explore decameter-scale <i>E</i>- and <i>F</i>-region irregularities in the auroral zone and polar cap. These two radars will contribute to a better understanding of the ionospheric irregularities and ionospheric physics at southern high latitudes.https://www.ann-geophys.net/14/1454/1996/angeo-14-1454-1996.pdf |
| spellingShingle | T. Ogawa Radar observations of ionospheric irregularities at Syowa Station, Antarctica: a brief overview Annales Geophysicae |
| title | Radar observations of ionospheric irregularities at Syowa Station, Antarctica: a brief overview |
| title_full | Radar observations of ionospheric irregularities at Syowa Station, Antarctica: a brief overview |
| title_fullStr | Radar observations of ionospheric irregularities at Syowa Station, Antarctica: a brief overview |
| title_full_unstemmed | Radar observations of ionospheric irregularities at Syowa Station, Antarctica: a brief overview |
| title_short | Radar observations of ionospheric irregularities at Syowa Station, Antarctica: a brief overview |
| title_sort | radar observations of ionospheric irregularities at syowa station antarctica a brief overview |
| url | https://www.ann-geophys.net/14/1454/1996/angeo-14-1454-1996.pdf |
| work_keys_str_mv | AT togawa radarobservationsofionosphericirregularitiesatsyowastationantarcticaabriefoverview |