福建省极端持续性强降水的时空特征分析

Journal: Agricultural Science DOI: 10.12238/as.v8i7.3169

邱子键

福建省龙岩市气象局

Abstract

极端持续性强降水(Extremely Persistent Heavy Rainfall,EPHR)具有降雨强度大、持续时间长、可引起破坏性自然灾害等特点。本文利用2008-2019年福建省区域自动站逐时降水数据,研究了福建地区的EPHR时空分布特征。结果表明,EPHR具有快长慢消的特征。空间分布为沿武夷山脉和海岸的双雨带特征,这与对流的触发和地形抬升机制有关。多发于7-9月,呈现午后和夜间双峰型特征。

Keywords

极端持续性强降水;双雨带;日变化;台风

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