[1]景坤,周坤论,吕抒航,等.基于雨滴谱和雨量筒观测资料不同类型云降水对比分析[J].气象研究与应用,2023,44(02):69-74.[doi:10.19849/j.cnki.CN45-1356/P.2023.2.12]
　Jing Kun,Zhou Kunlun,Lv Shuhang,et al.Comparative analysis of different types of cloud precipitation based on raindrop spectra and rain gauge data[J].Journal of Meteorological Research and Application,2023,44(02):69-74.[doi:10.19849/j.cnki.CN45-1356/P.2023.2.12]
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基于雨滴谱和雨量筒观测资料不同类型云降水对比分析()
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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02期
页码:
69-74
栏目:
研究论文
出版日期:
2023-06-15

文章信息/Info

Title:
Comparative analysis of different types of cloud precipitation based on raindrop spectra and rain gauge data
作者:
景坤;  周坤论;  吕抒航;  王乙竹;  梁振清
广西壮族自治区气象技术装备中心, 南宁 530022
Author(s):
Jing Kun;  Zhou Kunlun;  Lv Shuhang;  Wang Yizhu;  Liang Zhenqing
Guangxi Meteorological Technical Equipment Center, Nanning 530022, China
关键词:
北海; 雨滴谱; 雨量筒; 对流云; 层状云
Keywords:
Beihai; rain drop spectrum; rain gauge; convective cloud; stratiform cloud
分类号:
P468.0+24
DOI:
10.19849/j.cnki.CN45-1356/P.2023.2.12
摘要:
选取北海国家气候观象台2019年1-12月的雨滴谱和雨量筒资料,根据雨强划分降水类型,对比分析两种设备观测对流云和层状云降水的差异。结果表明:(1)两次降水过程均以"雨"和"阵雨"为主,由于仪器测量精度不同,雨滴谱和雨量筒观测到的降水量有所差别。(2)对于对流云和层状云降水,雨量筒与雨滴谱累积降水量绝对误差均小于20%,相关性系数均达到0.99;另外,对流云事件雨滴谱与雨量筒累积降水量平均值误差大于层状云事件的。(3)雨滴谱仪观测出现降雨时间早于雨量筒记录的,降雨结束时间则晚于雨量筒记录的。相比于层状云降水,对流云降水起始阶段雨量更大,降雨速度更快,雨滴谱仪和雨量筒记录到有降水现象的时间差更小。
Abstract:
The observed records from raindrop spectra and rain gauge from January to December 2019 in the Beihai National Climate Observatory are used to classify precipitation types according to the average rainfall intensity and then to compare and analyze the differences between the two devices in observing convective and stratus cloud precipitation. The results show that:(1) both precipitation processes are dominated by "rain" and "showers", and the amount of precipitation observed by raindrop spectra and rain gauge differs due to the different measurement accuracy of the instruments;(2) For convective and stratiform cloud precipitation, the absolute error of cumulative precipitation between the rain gauge and raindrop spectrometer is less than 20%, and the correlation coefficient reaches 0.99. In addition, the precipitation mean error between the raindrop spectrometer and rain gauge for convective cloud events is larger than that for stratiform cloud events.(3)The raindrop observed by the raindrop spectrometer occurs earlier than that recorded by the rain gauge, and the end of the observation is later than that recorded by the rain gauge. Compared with stratiform precipitation, convective precipitation starts with greater rainfall and faster rainfall, and the time difference between raindrop spectrometers and rain gauge cylinders to record precipitation is smaller.

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备注/Memo

备注/Memo:
收稿日期:2022-9-28。
基金项目:广西壮族自治区气象技术装备中心自立项目"广西植被生态监控软件研制"、"降水过程雨滴谱的统计特征研究"
作者简介:景坤(1993-),男,助理工程师,主要从事气象探测、装备运行保障工作。E-mail:1053667281@qq.com
通讯作者:周坤论(1994-),男,硕士,工程师,主要从事气象探测技术保障和雨滴谱特征研究。E-mail:980289314@qq.com
更新日期/Last Update: 1900-01-01