DEBRIS FLOW
DEBRIS FLOW
DEBRIS FLOW
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Characteristic of debris flow<br />
�High velocity (2~20m/s), high impact force.<br />
�Head with boulder front, followed by hyperconcentrated<br />
flow.<br />
�Larger size at top, smaller size at bottom<br />
�Initiation area mostly<br />
at slope above<br />
15~30°, deposition<br />
area 3~6 °.<br />
�Alluvial fan formed<br />
at torrent exit, gentle<br />
slope area.<br />
dptrc.sinotech.org.tw<br />
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