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First mesopause temperature measurements using sodium lidar observations in the Antarctic region
https://doi.org/10.15094/00006328
https://doi.org/10.15094/000063286767b315-8656-41ce-b1aa-b7f17ada950c
名前 / ファイル | ライセンス | アクション |
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KJ00000048068 (972.5 kB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 2001-09-01 | |||||
タイトル | ||||||
タイトル | First mesopause temperature measurements using sodium lidar observations in the Antarctic region | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15094/00006328 | |||||
ID登録タイプ | JaLC | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Kawahara, Takuya D.
× Kawahara, Takuya D.× Kitahara, Tsukasa× Kobayashi, Fumitoshi× Tsutsumi, Masaki× Saito, Yasunori× Nomura, Akira |
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著者所属(英) | ||||||
en | ||||||
Department of Information Engineering, Shinshu University/Department of Information Engineering, Shinshu University/Department of Information Engineering, Shinshu University/National Institute of Polar Research/Department of Information Engineering, Shinshu University/Department of Information Engineering, Shinshu University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The mesopause temperature structure was observed using a sodium temperature lidar system at Syowa Station (69°00' S, 39°35' E), beginning in February 2000. The laser transmitter was newly developed and included two injection-seeded Nd: YAG lasers. Regular observations were performed using the two-frequency technique as demonstrated by C.Y. She et al. (Geophys. Res. Lett., 17, 929, 1990), with a spatial resolution of about 1 km and a temporal resolution of 6 min. The temperature structures of the 85km to 105km region of the upper atmosphere were measured by Na D_2 Doppler profile-fitting as well as the two-frequency technique. Temperatures derived from the two techniques agreed well and were consistent with the MSIS 90 model temperature structure. Night-time temperature variations over a 15-hour period were measured in May 2000. A large temperature fluctuation with an interval of about 4 hours, and an amplitude of 60 K (probably caused by gravity waves) was observed. From the average night temperature profile, the mesopause was determined to be located at 102km, and have a temperature of 180K. These values are similar to winter values observed in the northern hemisphere. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11397422 | |||||
書誌情報 |
Advances in polar upper atmosphere research 巻 15, p. 23-31, 発行日 2001-09 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |