J4 ›› 2005, Vol. 23 ›› Issue (3): 39-41.

• 论文 • 上一篇    下一篇

火箭增雨效果雷达回波分析

孙旭映王劲松王静   

  1. 中国气象局兰州干旱气象研究所,甘肃省干旱气象变化与减灾重点实验室,甘肃兰州780020
  • 收稿日期:2005-01-18 修回日期:2005-08-25 出版日期:2005-09-30 发布日期:2005-09-30
  • 作者简介:孙旭映(1973-) ,男,甘肃静宁县人,助理研究员,主要从事干旱气象灾害工作
  • 基金资助:

    甘肃省气象局课题’‘甘肃省和黄河上游云水资源与人工增雨潜力研究”之第3子专题’‘空中云水资源与人上增雨潜力数值模拟”(2001人影一1一3)资助

Analysis of Radar Echoes on Effects of Rain Enhancement by AgI一Loading Rockets

 SUN Xu-Yang, WANG Jin-Song, WANG Jing   

  1. Key Laboratory of Arid Climatic Changing and Reducing Disaster of Uansu Province   Lanzhou Institute of Arid Metcorology,CMA,Lanzhou 730020,China
  • Received:2005-01-18 Revised:2005-08-25 Online:2005-09-30 Published:2005-09-30

摘要:

利用200年6月12日甘肃省永登县雷达观测对流云的加密资料,选取了2次相似对流云过程分别作为目标云和对比云,探讨了目标云作业前后较对比云雷达回波有关参数的显著变化,并结合地面雨量点观测资料对地面人工增雨作业效果进行了初步分析,结果表明:目标云在降水、生命期特征、回波垂直特征参数变化方面,表现出作业前后较对比云存在明泉差异,目标云作业40 min后地面产生0. 6 mm降水,而对比云则从新生发展到减弱消散阶段经历较短的时(30 min),地面并无降水产生,从而推断本次人工增雨达到了一定的预计效果。

关键词: 人工增雨, 雷达回波, 效果检验

Abstract:

Based on the radar dense data of convectional cloud on June 12,2004 in Yongdcng county, choosing two similar convectional clouds as seeding and non一seeding cloud,the remarkable changes of radar echo parameters of the seeding cloud compared with the non一seeding cloud were discussed in this paper, and the rain enhancement effect was evaluated primarily with ground observational rainfall data.  "hhc results show that many aspects of the seeding cloud,such as precipitation,life characteristic and vertical characteristic parameters change of radar echo, had remarkable differences compared with the non一seeding cloud,and about }0 min after seeding() .6 mm precipitation produced,while the non一seeding cloud experienced a short period from development to dissipation and didri t produce any precipitation in the ground,which can conclude this rainfall cnhanccment experiment reached some prospective effect.

Key words: artificial stimulation of precipitation, radar echo, effect assessment

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