[1]吴滨,李玲,杨丽慧,等.福建省不同短历时暴雨变化特征及天气背景分析[J].自然灾害学报,2017,(06):207-216.[doi:10.13577/j.jnd.2017.0623]
 WU Bin,LI Ling,YANG Lihui,et al.Analysis on characteristics of climate change and weather background of different short-time rainstorm in Fujian Province[J].,2017,(06):207-216.[doi:10.13577/j.jnd.2017.0623]
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福建省不同短历时暴雨变化特征及天气背景分析
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《自然灾害学报》[ISSN:/CN:23-1324/X]

卷:
期数:
2017年06期
页码:
207-216
栏目:
出版日期:
2017-12-08

文章信息/Info

Title:
Analysis on characteristics of climate change and weather background of different short-time rainstorm in Fujian Province
作者:
吴滨1 李玲2 杨丽慧1 严平勇1
1. 福建省气候中心, 福建 福州 350001;
2. 福建省气象服务中心, 福建 福州 350001
Author(s):
WU Bin1 LI Ling2 YANG Lihui1 YAN Pingyong1
1. Fujian Climate Center, Fuzhou 350001, China;
2. Fujian Meteorological Service Center, Fuzhou 350001, China
关键词:
短历时暴雨气候变化天气背景
Keywords:
short-time rainstormclimate changeweather background
分类号:
P426.6;S42;X43
DOI:
10.13577/j.jnd.2017.0623
摘要:
利用福建省17个气象站1964—2012年逐日逐分钟降水数据,构建1 h、3 h、6 h暴雨频数和暴雨极值序列,研究不同短历时暴雨频数和极值的空间分布特征以及年代际气候变化特征,并对暴雨形成的天气背景进行分析。结果表明:福建省沿海地区不但暴雨频数多,且强度强;西部地区虽然暴雨频数相对较多,但强度相比沿海略弱;中部地区暴雨频数及极值均属全省最少的地区。各短历时暴雨频数和极值均表现为一定的增加趋势,其中6 h暴雨频数、1 h暴雨极值增强最显著。突变分析表明1 h暴雨频数和极值在20世纪90年代初期突变,3 h和6 h在20世纪80年代末期突变,表明近20多年来福建省短历时暴雨增强增多。内陆地区短历时暴雨的天气背景主要是锋面暴雨,各历时频数占总频数的70%以上;沿海地区1 h历时锋面暴雨频率为50%左右,多于台风暴雨,随着历时的增加,6 h时锋面与台风暴雨的频率相当,或台风略大于锋面暴雨。
Abstract:
Based on the minute precipitation data of 17 meteorological stations in Fujian Province during 1964-2012, the rainstorm frequency of 1 h, 3 h and 6h were constructed. The spatial distribution characteristics, climate change feature and the weather background of the extreme precipitation frequency and extreme value were studied. The results show that the coastal area of Fujian province not only has more rainstorm frequency but also has high intensity. Although the rainstorm frequency in west areas is relatively more, but the intensity is slightly weaker than that of the coastal region. The central region was the minimum area for rainstorm frequency and the extremum. The frequency and extreme value of each short-time rainstorm showed a certain increasing trend, in which the frequency of 6 h and the extreme value of 1 h was the most significant. Mutation analysis showed that the abrupt time of 1 h rainstorm frequency and extreme value was in the early 1990s, and the 3 h and 6 h was in the late 1980s, which showed that the short-time rainstorms during the last 20 years in Fujian Province was increased and strengthened. Inland areas of short-time rainstorm weather background is mainly frontal rainstorm, for different duration frequency accounted for 70% of the total frequency above; coastal area 1h duration front rainstorm frequency is about 50% more than the typhoon rainstorm, with increasing duration, 6 h frontal and typhoon rainstorm frequency equals of typhoon or slightly larger than the frontal rainstorm.

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备注/Memo

备注/Memo:
收稿日期:2016-07-18;改回日期:2017-09-25。
基金项目:福建省自然科学基金(2017J01073)
作者简介:吴滨(1968-),女,高级工程师,硕士,主要从事应用气候研究.E-mail:wwbbin_2004@aliyun.com
更新日期/Last Update: 1900-01-01