an assessment method for debris flow dam formation in taiwan

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ID: 250900
2018
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Abstract
Debris flows in tributaries rush into and block the main branches of rivers and often result in serious hazards. Dam failures cause large floods in the downstream area and can lead to fatalities and property damage. This study proposes an assessment method to evaluate the formation of a debris flow dam, which includes two conditions: (1) the sediment transported by the debris flow must reach across the river; and (2) the thickness of the deposit by the debris flow must be higher than the in situ water depth. This methodology was used to study the case of a debris flow dam caused by debris flow across the Er River in Taiwan, which blocked the Chishan River and led to the formation of the Namasha debris flow dam. This methodology can also be applied to identify the formation of debris flow dams.
Reference Key
chen2018earthan Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Kun-Ting Chen;Chia-Hsing Lin;Xiao-Qing chen;Gui-Sheng Hu;Xiao-Jun Guo;Chjeng-Lun Shieh
Journal esmo open
Year 2018
DOI
10.15446/esrj.v22n1.62389
URL
https://revistas.unal.edu.co/index.php/esrj/article/view/62389
Keywords
assessment methodgeology

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