主办单位:中国气象局沈阳大气环境研究所
国际刊号:ISSN 1673-503X
国内刊号:CN 21-1531/P

气象与环境学报 ›› 2024, Vol. 40 ›› Issue (1): 88-96.doi: 10.3969/j.issn.1673-503X.2024.01.0011

• 论文 • 上一篇    下一篇

六盘山区地面碘化银发生器催化作业条件分析

田磊1,2,3(),穆建华1,2,常倬林1,2,左河疆1,2,曹宁1,2,林彤1,2   

  1. 1. 中国气象局旱区特色农业气象灾害监测预警与风险管理重点实验室, 宁夏银川 750002
    2. 中国气象局云雾物理环境重点开放实验室, 北京 100081
    3. 宁夏气象防灾减灾重点实验室, 宁夏银川 750002
  • 收稿日期:2022-11-01 出版日期:2024-02-28 发布日期:2024-03-25
  • 作者简介:田磊, 男, 1984年生, 高级工程师, 主要从事大气物理及人工影响天气研究, E-mail: tianl419@163.com
  • 基金资助:
    宁夏回族自治区重点研发计划(2021BEG03005);国家自然科学区域联合基金(U22A20577);中国气象局云雾物理环境重点开放实验室开放课题(2020Z00708)

Analysis of the catalytic operation conditions for ground silver iodide smoke generator in the Liupan mountain area

Lei TIAN1,2,3(),Jianhua MU1,2,Zhuolin CHANG1,2,Hejiang ZUO1,2,Ning CAO1,2,Tong LIN1,2   

  1. 1. Key Laboratory for Meteorological Disaster Monitoring and Early Warning and Risk Management of Characteristic Agriculture in Arid Regions, CMA, Yinchuan 750002, China
    2. Key Laboratory for Cloud Physics of China Meteorological Administration, Beijing 100086, China
    3. Ningxia Key Laboratory of Meteorological Disaster Prevention and Reduction, Yinchuan 750002, China
  • Received:2022-11-01 Online:2024-02-28 Published:2024-03-25

摘要:

利用数值模式模拟的1 km×1 km六盘山区2009年6月至2010年5月的垂直速度资料、宁夏173个加密自动气象站数据、云高观测资料等开展了六盘山区碘化银发生器催化作业条件研究。结果表明: 有降水过程时, 六盘山区2.0 km、2.5 km、3.0 km、3.5 km高度层均有明显上升气流; 地面发生器释放的碘化银催化剂的有效扩散高度可达3000 m; 降雪开始前6 h至降雪开始后12 h内, 发生器作业点有明显上升气流, 80%以上时间内上升气流速度分钟平均值大于0.3 m·s-1。结合六盘山区云底、0℃层等特征层高度, 综合分析得出了六盘山东西两侧及六盘山顶一年中不同时期开展碘化银发生器催化作业的适宜程度。

关键词: 地面碘化银发生器, 垂直气流, 扩散

Abstract:

Based on 1 km×1 km vertical velocity data simulated by the numerical model from June 2009 to May 2010 in the Liupan Mountain area, meteorological data from 173 intensive weather stations in Ningxia and cloud height observation data, the conditions for catalytic operations of silver iodide smoke generator were studied. The results show that there are significant updrafts at heights of 2 km, 2.5 km, 3 km, and 3.5 km during precipitation processes in the Liupan mountain area. The effective diffusion height of the silver iodide catalyst released from ground-based smoke generator can reach 3000 m. From 6 h before the snowfall to 12 h after the snowfall, there are significant updrafts at the smoke generator locations, with the average updraft velocity exceeding 0.3 m·s-1 for more than 80% of the time. The suitability of conducting silver iodide smoke generator catalytic operations at different times of the year on the east and west sides and the summit of Liupan Mountain is presented by integrating the heights of cloud base and characteristics of the 0 ℃ layer and other layers.

Key words: Silver iodide smoke generator, Vertical airflow, Diffusion

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