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贵州秋绵雨的气候特征分析 预览

Analysis of climatic characteristics of autumn rain in Guizhou
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摘要 该文利用1961—2014年贵州省76个气象台站的逐日降水资料对贵州省秋绵雨的总体特征和分月特征进行分析。研究表明:全省年均秋绵雨次数最大值区域位于贵州省西部和中部高海拔地区一带,贵州秋绵雨次数具有自西北向东部或向南部递减的分布规律。秋绵雨次数、天数和累积降水量3个要素均存在着多重时间尺度的周期变化特征,不同月份其时间周期也各有差异。9—11月各月秋绵雨天数最大值区域均位于贵州省西部一带,但其分布规律不尽相同,从变化趋势来看,9—11月各月秋绵雨次数距平百分率变化的倾向率均呈不同程度的减少趋势。 Based on the daily precipitation data of 76 meteorological stations in Guizhou province from 1961 to 2014, this paper analyzes the general characteristics and monthly characteristics of autumn rain in Guizhou province.The results show that the maximum annual average autumn rainfall frequency is located in the western and central high-altitude areas of Guizhou province, and the autumn rainfall frequency in Guizhou is decreasing from northwest to east or south.The number of autumn rains, the number of days and the accumulated precipitation all have the periodic change characteristics of multiple time scales.The maximum number of autumn rainy days in each month from September to November is located in the western part of Guizhou province, but their distribution patterns are different.
作者 冯志江 李忠燕 吴坪键 FENG Zhijiang;LI Zhongyan;WU Pingjian(Guiyang Yunan Lightning Protection Device Detection Sstation, Guiyang 550025, China;Guizhou Climate Center, Guiyang 550002, China)
出处 《中低纬山地气象》 2019年第1期28-32,共5页 Journal of Guizhou Meteorology
关键词 秋绵雨 分阶段 气候特征 autumn rain in stages the climate characteristics
作者简介 第一作者:冯志江(1990—),男,助工,主要从事防雷检测工作,E-mail:472447038@qq.com。
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