DEBRIS FLOW
DEBRIS FLOW
DEBRIS FLOW
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� <strong>DEBRIS</strong> <strong>FLOW</strong><br />
Water and mixture of sand, gravel,<br />
cobbles and boulders, driven by gravity<br />
Look just like readymixed<br />
concrete<br />
Debris flow≠Debris flow hazard<br />
�Debris flow: natural phenomenon<br />
�The phenomenon could not be<br />
eliminated<br />
�Only when hazard likely to occurred<br />
that mitigation should apply<br />
�Still long way for accurate forecast<br />
Hazard<br />
Risk<br />
Vulnerability<br />
Exposure<br />
�Safety: acceptable risk<br />
dptrc.sinotech.org.tw<br />
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