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Debris-flow forecasting at regional scale by combining susceptibility mapping and radar rainfall

机译:结合磁化率测绘和雷达降雨的区域尺度泥石流预报

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摘要

This work presents a technique for debris-flow (DF) forecasting able to be used in the framework of DF early warning systems at regional scale. The developed system is applied at subbasin scale and is based on the concepts of fuzzy logic to combine two ingredients: (i) DF subbasin susceptibility assessment based on geomorphological variables and (ii) the magnitude of the rainfall situation as depicted from radar rainfall estimates. The output of the developed technique is a three-class warning ('low', 'moderate' or 'high') in each subbasin when a new radar rainfall map is available.
机译:这项工作提出了一种泥石流预报技术,该技术可以在区域规模的DF预警系统的框架中使用。所开发的系统在子流域范围内应用,并基于模糊逻辑的概念,将两个要素结合起来:(i)基于地貌变量的DF子流域敏感性评估;(ii)雷达降雨估算所描绘的降雨情况的大小。当有新的雷达降雨图可用时,在每个子盆地中,已开发技术的输出是三级警告(“低”,“中”或“高”)。

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