南宁市短历时暴雨演变特征分析  

Analysis on Change Characteristics of Short Duration Rainstorm in Nanning City

作　　者：周绍毅 卢小凤 罗红磊 

机构地区：[1]广西气象服务中心,南宁530022

出　　处：《气象研究与应用》2016年第1期64-67,共4页Journal of Meteorological Research and Application

基　　金：广西气象服务中心科研项目(201511)

摘　　要：利用南宁气象站1953—2014年的短历时暴雨资料,运用线性倾向估计、M-K突变检验、集中度等方法分析了南宁市短历时暴雨演变特征。结果表明:(1)南宁市短历时最大降雨量呈增加趋势,时段越短增加越明显。(2)短历时暴雨月变化呈单峰型,6月为峰值,一天中短历时暴雨多发生在下午时段。(3)短历时年最大降雨量未出现突变。Based on the short duration rainstorm data of Nanning meteorological station from 1953 to 2014, the evolution characteristics of short duration rainstorm in Nanning were analyzed by using linear- trend estimate, Mann-Kendall catastrophe test and concentration degree. It is found that： （1） The short duration maximum precipitation were increasing, and the array of 10 minutes increased more obviously. （2） The monthly changes of short duration rainstorm appears unimodal with the peak in June and mostly happened in the afternoon. （3） The abrupt points of the short duration maximum precipitation were not detected.

关 键 词：短历时 暴雨频次 集中度 南宁市 

分 类 号：P46[天文地球—大气科学及气象学]