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Classification of rain types using drop size distributions and polarimetric radar: Case study of a 2014 flooding event in Korea

机译:使用水滴尺寸分布和极化雷达对雨水类型进行分类:2014年韩国洪水事件的案例研究

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摘要

To classify precipitation types as either convective or stratiform, drop size distributions (DSDs) measured by the Parsivel (PARtide size VELocity) instrument, and DSD parameters including median volume diameter (Do) and normalized number concentration (Nw) retrieved by S-band polarimetric radar (BSL), were analyzed for a heavy rainfall event that occurred in southern Korea on 25 August 2014. The rainfall system was clearly identified as stratiform or convective rain at various times of day, at measurement sites at Changwon and Busan. New rainfall classification lines were derived from the Parsivel and BSL data, and were compared with existing classification methods based on climatological rainfall data.
机译:要将降水类型分为对流型或层状型,使用Parsivel(PARtide尺寸VELocity)仪器测量的液滴尺寸分布(DSD),以及通过S波段极化仪获得的DSD参数,包括中值体积直径(Do)和归一化浓度(Nw)对2014年8月25日在韩国南部发生的一次强降雨事件进行了雷达分析(BSL)。在昌原和釜山的测量地点,该降雨系统在一天的不同时间被清楚地识别为层状或对流降雨。从Parsivel和BSL数据得出新的降雨分类线,并将其与基于气候降雨数据的现有分类方法进行比较。

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