Catastrophic flash flood triggered by an extreme rainfall event in El Rodeo village, January 2014. Northwestern Pampean Ranges of Argentina

摘要: ABSTRACTFlash floods occur periodically in the hilly areas of Argentina, but since they generally at inhabited areas, these are rarely registered. Several factors contribute to occurrence flash floods: heavy seasonal rains, rugged topography and geological structures. On Thursday night, 23 January 2014 an extreme rainfall event, took place El Rodeo, Catamarca Province, triggering unexpected flood. This flood caused 14 fatalities great economic losses main localities Ambato Department. Steep slope gradients facilitated quick drainage precipitated volumes. Water, boulders debris channeled downstream severe stream bank erosion major damage houses roads bridges. paper presents a morphometric analysis order determine some geomorphic characteristics River basin, together with preliminary hazard potentially damaging inhabitants infrastructure villages. The study was ca...