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Title: 降雨場の地形依存特性に関する基礎的研究
Other Titles: Fundamental Research on Characteristics of Rainfall Field Depending on Topographic Features
Authors: 中北, 英一  KAKEN_name
鈴木, 善晴  KAKEN_name
池淵, 周一  KAKEN_name
Author's alias: NAKAKITA, Eiichi
SUZUKI, Yoshiharu
IKEBUCHI, Shuichi
Keywords: 降雨分布
地形依存特性
スケール効果
階層構造
降雨レーダー
rainfall distribution
dependence on topographic features
scale effect
hierarchical structure
weather radar
Issue Date: 1-Apr-2000
Publisher: 京都大学防災研究所
Journal title: 京都大学防災研究所年報. B = Disaster Prevention Research Institute Annuals. B
Volume: 43
Issue: B-2
Start page: 117
End page: 136
Abstract: 本研究では, レーダーによる降雨観測情報を解析対象として, 降雨分布の時間積分過程におけるスケール階層構造を解明するとともに, 降雨分布の地形依存特性の定量化を試みた.その結果, 標高区分内ごとの平均降雨量の対数値と地形標高との間に明確な直線関係(標高依存回帰直線)が存在することが明らかとなり, 同直線の変動特性や, 同直線周りの分散構造等の解析により, 降雨分布の確率構造モデルを構築することができた.
The purpose of this study is to analyze time deposition process of rainfall in dependence on topographic features and to develop a stochastic model of rainfall distribution. Because used rainfall information was observed by a weather radar with high spatial resolution, the stochastic relation between rainfall distribution and topographic altitude could be made clear in detail. Results indicate that there exists a hierarchical time-scale structure in the process. By analyzing the structure it was enabled to construct a stochastic model of the process.
URL: http://www.dpri.kyoto-u.ac.jp/nenpo/nenpo.html
URI: http://hdl.handle.net/2433/80495
Appears in Collections:No.43 B-2

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