Particles flows are organic hazard induced by intensive rainfall or snowmelt and depict fast motion of drinking water-saturated colluvial and proluvial earth masses. The propagation of the dangerous occasion could modify ecosystems, improve the solid discharge during the rivers and dam siltation, and have an affect on infrastructure and people. http://methodology52725.blogkoo.com/research-gap-things-to-know-before-you-buy-29921115