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南極昭和基地での超音波風速温度計による大気乱流観測
https://doi.org/10.15094/00007729
https://doi.org/10.15094/00007729a8ff72e7-0ba0-4f72-a5d2-b6b044f6c6d2
名前 / ファイル | ライセンス | アクション |
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KJ00002476729 (6.7 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1974-01-01 | |||||
タイトル | ||||||
タイトル | 南極昭和基地での超音波風速温度計による大気乱流観測 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Atmospheric Turbulence Measurements with the Sonic Anemometer-Thermometer at Syowa Station in Antarctica | |||||
言語 | ||||||
言語 | jpn | |||||
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 | 10.15094/00007729 | |||||
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) | |||||
論文名よみ | ||||||
その他のタイトル | ナンキョク ショウワ キチ デノ チョウオンパ フウソク オンドケイ ニヨル タイキ ランリュウ カンソク | |||||
著者名(日) |
真木, 太一
× 真木, 太一 |
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著者名(英) |
MAKI, Taichi
× MAKI, Taichi |
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著者所属(日) | ||||||
農林省農業技術研究所気象科 | ||||||
著者所属(英) | ||||||
en | ||||||
Division of Meteorology, National Institute of Agricultural Sciences | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The atmospheric turbulence in stable stratification was observed at Syowa Station in Antarctica during the period from February to December in 1970. Characteristics of atmospheric turbulence are analyzed in relation to the stability or the wind speed at the height of 20 m in surface air layer. Obtained results are as follows: U_<20> (horizontal mean wind speed at the height of 20m) is proportional to about -0.56 power of Ri (Richardson number). W_<20>/U_<20> (ratio of the vertical mean wind speed to U_<20> at the height of 20m) is independent of Ri. The standard deviation of the longitudinal wind speed (σ_U) is in direct proportion to the standard deviation of the lateral wind speed (σ_v). The relations between σ_U and σ_w (standard deviation of vertical wind speed) and between σ_v and σ_w are expressed with the two different equations, which have each transition point. Gustiness decreases with the increase of U_<20> below 8.5 m/s (U_<20>) and has a constant value above 8.5 m/s. Gust factor for five minutes decreases with the increase of U_<20>. The characteristic frequency distributions of three-dimensional wind components were made clear in comparison with the three typical weather condition. The Monin- Obukhov length and the energy dissipation rate increases in proportion to about -1.4 power of Ri and to about 2.7 power of U_<20> respectively in stable stratification. The characteristic time scales of longitudinal, lateral and vertical wind components increase with the increase of Ri and decrease with the increase of U_<20>, and the ratios of proportional components represent the cubic vortex, i.e., length:breadth:height = 6.3 : 1.9 : 1. The value of m obtained from Eq. (7) increases with the increase of Ri. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00181831 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00857289 | |||||
書誌情報 |
南極資料 巻 48, p. 37-51, 発行日 1974-01 |
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国際十進分類法 | ||||||
主題Scheme | UDC | |||||
主題 | 551.5 | |||||
出版者 | ||||||
出版者 | 国立極地研究所 |