[1]刘银焕,毛家燊,覃建,等.桂西南不同季节雨滴谱特征[J].气象研究与应用,2023,44(03):50-56.[doi:10.19849/j.cnki.CN45-1356/P.2023.3.09]
 LIU Yinhuan,MAO Jiashen,QIN Jian,et al.Characteristics of raindrop size distribution over Southwestern Guangxi in different seasons[J].Journal of Meteorological Research and Application,2023,44(03):50-56.[doi:10.19849/j.cnki.CN45-1356/P.2023.3.09]
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桂西南不同季节雨滴谱特征()
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气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第44卷
期数:
2023年03期
页码:
50-56
栏目:
出版日期:
2023-09-15

文章信息/Info

Title:
Characteristics of raindrop size distribution over Southwestern Guangxi in different seasons
作者:
刘银焕1 毛家燊1 覃建2 韦靖3 陆官4
1. 崇左市气象局, 广西 崇左 532200;
2. 江州区气象局, 广西 崇左 532200;
3. 扶绥县气象局, 广西 扶绥 543200;
4. 凭祥市气象局, 广西 凭祥 532600
Author(s):
LIU Yinhuan1 MAO Jiashen1 QIN Jian2 WEI Jing3 LU Guan4
1. Chongzuo Meteorological Bureau, Guangxi Chongzuo 532200, China;
2. Jiangzhou Meteorological Bureau, Guangxi Chongzuo 532200, China;
3. Fusui Meteorological Bureau, Guangxi Fusui 543200, China;
4. Pingxiang Meteorological Bureau, Guangxi Pingxiang 532600, China
关键词:
雨滴谱微物理特征桂西南不同季节
Keywords:
characteristics of raindrop size distributionmicrophysical characteristicssouthwestern Guangxidifferent seasons
分类号:
P426.6
DOI:
10.19849/j.cnki.CN45-1356/P.2023.3.09
摘要:
利用崇左国家基本气象站2019-2022年的雨滴谱观测数据,研究桂西南不同季节雨滴谱特征。结果表明:(1)降水微物理参数的平均值具有季节性差异,夏季雨强(R)最强,春季、秋季和冬季则依次递减。质量加权平均直径(Dm)、雨水含量(W)、雷达反射率(Z)的季节演变趋势与R一致。广义截距参数(Nw)则以秋季为最高,冬季略低于秋季,夏季最低,春季次低。(2)小雨滴是雨滴数浓度的主要来源。不同季节之间的各类雨滴对雨强的贡献存在差异,春季、夏季降雨以中、大雨滴贡献为主,秋季、冬季则以中、小雨滴贡献为主。
Abstract:
Based on raindrop size distribution(DSD) measurements from 2019 to 2022 observing in Chongzuo National Basic Meteorological Station, the DSD variation characteristics in southwestern Guangxi in different seasons are analyzed. The results show that:(1) The mean values of precipitation microphysical parameters have seasonal differences, with the strongest rainfall intensity(R) in summer, followed by spring, autumn, and winter. The seasonal evolutionary trends of mass weighted average diameter(Dm), liquid water content(W), and radar reflectivity(10lgZ) are consistent with that of R. The general truncation parameter (lgNw) is the highest in autumn, slightly lower in winter, lowest in summer, and second lowest in spring.(2)Small raindrops are the main source of raindrop number concentration. There are differences in the contribution of various raindrops to rainfall intensity between different seasons, with medium and large raindrops dominating the contribution of rainfall in spring and summer, and medium and small raindrops dominating in fall and winter.

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备注/Memo

备注/Memo:
收稿日期:2023-6-13。
基金项目:广西壮族自治区气象局面上项目(桂气科2022M03、桂气科2023M29)、崇左市气象局面上项目(崇气科202203)
作者简介:刘银焕(1987-),女,高级工程师,主要从事中长期气候预测和天气预报预警服务。E-mail:289115848@qq.com
更新日期/Last Update: 1900-01-01