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A simple method for calculating mass flux in an ice sheet, with a consideration of its temperature profile
https://nipr.repo.nii.ac.jp/records/1351
https://nipr.repo.nii.ac.jp/records/135131c6891d-49b2-42b8-a602-a08aeb6de84b
名前 / ファイル | ライセンス | アクション |
---|---|---|
KJ00000011985 (1.7 MB)
|
Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1982-12-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | A simple method for calculating mass flux in an ice sheet, with a consideration of its temperature profile | |||||
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 | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Nagao, Masatoshi
× Nagao, Masatoshi× Nakawo, Masayoshi× Higashi, Akira |
|||||
著者所属(英) | ||||||
en | ||||||
Department of Applied Physics, Faculty of Engineering, Hokkaido University | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Applied Physics, Faculty of Engineering, Hokkaido University | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Applied Physics, Faculty of Engineering, Hokkaido University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | For estimating the mass flux of ice at a given place on an ice sheet, a new method has been proposed, in which the vertical temperature profile was taken into account. The linear profile was assumed and it was determined from the bottom temperature and the temperature gradient at the bottom, both of which were estimated by the column model. The temperature dependence of the flow law of ice was converted to a simple expression which approximates the usual Arrhenius type relations well. This conversion together with the above assumption enabled the calculation of the mass flux to be done without any numerical integration. Error in the estimate of the mass flux caused by the linear temperature profile was calculated for conditions in the Shirase drainage basin, East Antarctica and it was shown to be less than about 11%. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00733561 | |||||
書誌情報 |
Memoirs of National Institute of Polar Research. Special issue 巻 24, p. 192-200, 発行日 1982-12 |