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A preliminary estimate of inertia effects in a bulk model of katabatic wind
https://doi.org/10.15094/00003565
https://doi.org/10.15094/00003565030a1c52-e43b-4a2a-a661-3db603841ee4
名前 / ファイル | ライセンス | アクション |
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KJ00000035531 (1.3 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1989-08-01 | |||||
タイトル | ||||||
タイトル | A preliminary estimate of inertia effects in a bulk model of katabatic wind | |||||
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 | 10.15094/00003565 | |||||
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) |
Kikuchi, Tokio
× Kikuchi, Tokio× Ageta, Yutaka |
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著者所属(英) | ||||||
en | ||||||
Faculty of Sciences, Kochi University | ||||||
著者所属(英) | ||||||
en | ||||||
Water Research Institute, Nagoya University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Observed sastrugi orientations showed considerable deviation from a bulk theory of katabatic wind in lee sides of troughs in ice sheet undulations of which the wavelength is about 400km on the Mizuho Plateau, East Antarctica. The effect of the inertia term which may account for the deviations but is often neglected in the equation of motion for katabatic wind is estimated with the perturbation method. A sinusoidally undulating slope with ridges and troughs is assumed for the model calculation instead of an infinite flat slope for the inertiafree model. The calculated results, in a typical inversion, suggest that the inertia term is significant if the wavelength of the undulations is smaller than about 200km while the effect of the undulations can be neglected if the wavelength is smaller than about 50km. Observed variability in the wind direction in the lee of the troughs may be accounted for by the effect of the inversion height which enhances the inertia effect. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10756213 | |||||
書誌情報 |
Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology 巻 2, p. 61-69, 発行日 1989-08 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |