干旱气象 ›› 2025, Vol. 43 ›› Issue (1): 126-132.DOI: 10.11755/j.issn.1006-7639(2025)-01-0126

• 论文 • 上一篇    下一篇

内蒙古中部地区层状云微物理特征及可播度分析

许志丽1(), 徐亮亮2, 毕力格1(), 史金丽1, 辛悦1, 刘沫彤3   

  1. 1.内蒙古自治区人工影响天气中心,内蒙古 呼和浩特 010051
    2.内蒙古自治区气象数据中心,内蒙古 呼和浩特 010051
    3.内蒙古自治区赤峰市气象局,内蒙古 赤峰 024000
  • 收稿日期:2023-07-10 修回日期:2023-11-14 出版日期:2025-02-28 发布日期:2025-03-15
  • 通讯作者: 毕力格(1984—),男,内蒙古鄂尔多斯市人,正高级工程师,主要从事大气物理与大气环境、人工影响天气研究。E-mail:54551072@qq.com。
  • 作者简介:许志丽(1987—),女,内蒙古呼和浩特市人,高级工程师,主要从事大气物理与人工影响天气研究。E-mail:184893995@qq.com
  • 基金资助:
    内蒙古自治区重点研发和成果转化项目(2022YFSH0132);内蒙古自治区自然科学基金项目(2022LHMS04003);内蒙古自治区自然科学基金项目(2020MS04015);内蒙古气象局科技创新项目(nmqxkjcx202014)

Analysis on microphysical characteristics and seedability of stratiform clouds in middle region of Inner Mongolia

XU Zhili1(), XU Liangliang2, BI Lige1(), SHI Jinli1, XIN Yue1, LIU Motong3   

  1. 1. Inner Mongolia Weather Modification,Hohhot 010051,China
    2. Inner Mongolia Autonomous Region Meteorological Data Center,Hohhot 010051,China
    3. Chifeng Meteorological Bureau of Inner Mongolia,Chifeng 024000,Inner Mongolia,China
  • Received:2023-07-10 Revised:2023-11-14 Online:2025-02-28 Published:2025-03-15

摘要: 对层状云降水云系开展云微物理特征及可播性实时识别研究,有利于提高对层状云降水云系增雨催化潜力的认识,为人工增雨作业实时识别提供技术支撑。利用内蒙古中部地区2018—2019年8架次层状云飞机作业机载探测资料,研究该地区层状云微物理特征及人工增雨可播度特征。结果表明:层状云中云水、液态水、过冷水出现频率分别为59.97%、82.99%、70.84%;液态水含量主要集中在0.001~0.100 g·m-3,过冷水含量主要分布在0.010~0.100 g·m-3,具有较好的引晶催化潜力。大云粒子数浓度平均为8个·cm-3,数浓度大于20个·cm-3的占比14.10%;小云粒子数浓度平均为20个·cm-3,数浓度大于20个·cm-3的占比28.54%。云粒子数浓度总体上较小,70%以上的云粒子位于负温区。层状云中小云粒子数浓度达到15个·cm-3时,云区具有可播度;当可播云区中大云粒子数浓度小于10个·cm-3时,云区具有强可播度。

关键词: 层状云, 人工增雨, 云微物理特征, 可播度

Abstract:

Real-time identification of cloud microphysical characteristics and seeding ability of stratiform cloud precipitation system is beneficial for improving the understanding of the catalytic potential of stratiform cloud precipitation system, and providing technical support for real-time identification of artificial rainfall enhancement. The microphysical characteristics and the seeding ability of stratiform cloud in the middle of Inner Mongolia were analyzed by using airborne detection data of 8 stratiform cloud aircraft operations from 2018 to 2019. The results show that the occurring frequencies of cloud water, liquid water, and supercooled water in stratiform clouds are 59.97%, 82.99% and 70.84%, respectively. The liquid water content is mainly concentrated between 0.001 and 0.100 g·m-3, while the supercooled water content is mainly distributed between 0.010 and 0.100 g·m-3, which indicates good potential for crystal seeding catalysis. The average number concentration of large cloud particles is 8 cm-3, and the number concentration more than 20 cm-3 accounted for 14.10%. The small cloud particle number concentration is 20 cm-3 on average, and the number concentration greater than 20 cm-3 accounted for 28.54%. More than 70% cloud particles are located in the negative temperature region, and the particle number concentration is generally small. When the number concentration of small cloud particle reaches 15 cm-3, the cloud region has certain seeding ability, while when the number concentration of large cloud particle is less than 10 cm-3, the cloud region has highly seeding ability.

Key words: stratiform cloud, artificial precipitation enhancement, microphysical characteristics, seeding ability

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