書誌事項
- タイトル別名
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- ON STOCHASTIC MODEL OF RILL PATTERN
- リル ノ ブンプ ノ カクリツ モデル ニ ツイテ
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抄録
Development process of rills is modeled with stochastic theory.Branching process and joining process are taken into consideration.Experimental study showed that joining ratio is in proportion to the number of rills andbranching ratio is proportional to relative width (width/depth) of rills.From the above results, next equation is derived for the stochastic process of the model.dPk(t)/dt=αKPk+1(t)+βΣ Wi-1/Di Pk-1(t)-{α(k-1)+βΣ Wi-1/Di}Pk(t)for k≠1, k≠NWhere Pk(t) is the probability that the number of rills will be k at the time t. α, β arejoining coefficient and branching coefficient respectively. Wi and Di are width and depth ofI-th rill respectively.
収録刊行物
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- 京都大学防災研究所年報. B
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京都大学防災研究所年報. B 20 (B-1), 265-274, 1977-04-01
京都大学防災研究所
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詳細情報 詳細情報について
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- CRID
- 1050282676913900416
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- NII論文ID
- 120001098068
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- NII書誌ID
- AN00027784
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- ISSN
- 0386412X
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- HANDLE
- 2433/70119
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- NDL書誌ID
- 1911973
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- 本文言語コード
- ja
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- 資料種別
- departmental bulletin paper
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- データソース種別
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- IRDB
- NDL
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