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首页> 外文期刊>International Journal of Erosion Control Engineering >Estimating the Influence of Rainstorms on Shallow Landslides: Comparison of the Intensity-duration Method and a Distributed-landslide Conceptual Model
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Estimating the Influence of Rainstorms on Shallow Landslides: Comparison of the Intensity-duration Method and a Distributed-landslide Conceptual Model

机译：评估暴雨对浅层滑坡的影响：强度持续时间方法与分布式滑坡概念模型的比较

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In this study, two methods were used to examine the influence of rainstorms on landslides. The first method used mean rainfall intensity and duration (I-D), and the second used a distributed-landslide conceptual model based on the distribution of shallow-infiltration water and a safety factor estimated using infinite slope-stability analysis. These two methods were applied to the Utsunomiya University forest in Funyu, Tochigi, Japan. Two indices were used to discriminate between rainstorms with and without landslides: one indicated the effect of short-duration events on landslide occurrence, and the other reflected the effect of the duration of an entire rainfall event on landslide occurrence. Although the indices derived using the two methods produced similar estimated effects of rainstorms on landslides, confirming the validity of both approaches for the estimation of rainfall properties, the two indices were better correlated with the distributed-landslide conceptual model than with the I-D, suggesting the superiority of the former model.
机译：在这项研究中，使用了两种方法来检查暴雨对滑坡的影响。第一种方法使用平均降雨强度和持续时间（I-D），第二种方法使用分布式滑坡概念模型，该模型基于浅层入渗水的分布和使用无限边坡稳定性分析估算的安全系数。这两种方法已应用于日本To木县丰友市的宇都宫大学森林。使用两个指数来区分有和没有滑坡的暴雨：一个指示短期事件对滑坡发生的影响，另一个指示整个降雨事件的持续时间对滑坡发生的影响。尽管使用这两种方法得出的指标对暴雨对滑坡的估计效果相似，这证实了两种方法对降雨性质的估算都是有效的，但与分布ID概念模型相比，这两种方法与ID的相关性更好，这表明前者模型的优势。

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