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月降水量に適した情報の与え方と2変数最大エントロピー分布
http://hdl.handle.net/10091/2897
4e86800c-0290-49fc-ab8d-bdde19c73fbd
名前 / ファイル | ライセンス | アクション | |
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2009-03-30 | |||||
タイトル | ||||||
タイトル | 月降水量に適した情報の与え方と2変数最大エントロピー分布 | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
その他(別言語等)のタイトル | ||||||
その他のタイトル | Methods for Obtaining Suitable Information for Monthly Precipitation and 2-Variable Maximum Entropy Distributions | |||||
著者 |
寒川, 典昭
× 寒川, 典昭× 荒木, 正夫× 清水, 克彦 |
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信州大学研究者総覧へのリンク | ||||||
氏名 | 寒川, 典昭 | |||||
URL | http://soar-rd.shinshu-u.ac.jp/profile/ja.WVLaZVkh.html | |||||
出版者 | ||||||
出版者 | 信州大学工学部 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 信州大学工学部紀要 69: 25-40 (1991) | |||||
書誌情報 |
信州大学工学部紀要 巻 69, p. 25-40, 発行日 1991-09-30 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Methods for obtaining optimum information for a 2-variable maximum entropy distribution (2MED) were examined to estimate the hydrologic variable for the design of a water-supply system between two basins. Information consisting of statistical moments, and combined information of statistical moments and the expectations of an exponential function were tested with a set of rainfall data in Nagano, Nagoya and Tokyo. The goodness-of-fit (Log-likelihood,Akaike's information criterion and histogram) and stability of the return period were used as evaluation criteria in selecting suitable information. Though the 2M(x², exp(-4x / Mx), y², exp(-4y / My), xy) distribution for combined information ranked first in terms of goodness-of-fit, it did not provide good stability of the return period because it exhibits a sensitive reaction with regards to removed data. The 2M(x, x², y, y², xy) distribution for statistical moments only showed excellent results for both evaluation criteria. Therefore, it was judged from these results that the 2M(x, x², y, y², xy) distribution was the optimum distribution for the data set used in this investigation. | |||||
資源タイプ(コンテンツの種類) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0037-3818 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00121228 |