Mesospheric winds derived from SuperDARN HF radar meteor echoes at Halley, Antarctica
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- Jenkins Barbara
- British Antarctic Survey
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- Jarvis Martin J.
- British Antarctic Survey
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Mesospheric winds are derived from HF radar observations of meteor echoes at Halley (76°S, 27°W), Antarctica. These meteor echoes are observed within the first range gates of the radar (less than 500 km) and are characterised by lower spectral widths than echoes backscattered from plasma irregularities in the E region of the ionosphere. The derived winds show first order agreement with mesospheric winds measured independently over Halley. Gravity wave signatures (e.g. <2-h period) and smaller-scale structure in the winds are revealed within the spatiotemporal data formed by the 16 beams. A data base of such observations is being built up from existing radar data extending over nearly a full solar cycle from 1988 to the present day.
収録刊行物
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- Ｅａｒｔｈ， Ｐｌａｎｅｔｓ ａｎｄ Ｓｐａｃｅ
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Ｅａｒｔｈ， Ｐｌａｎｅｔｓ ａｎｄ Ｓｐａｃｅ 51 (7-8), 685-689, 1999
地球電磁気・地球惑星圏学会 、公益社団法人 日本地震学会、特定非営利活動法人 日本火山学会、日本測地学会、日本惑星科学会
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詳細情報 詳細情報について
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- CRID
- 1390001206510776448
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- NII論文ID
- 10002697718
- 130003956021
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- NII書誌ID
- AA11211921
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- ISSN
- 18805981
- 13438832
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- NDL書誌ID
- 4863983
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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