[1]常倬林,党张利,贾乐,等.宁夏六盘山区一次人工增雨条件观测分析和效果评估[J].气象研究与应用,2022,43(03):26-30.[doi:10.19849/j.cnki.CN45-1356/P.2022.3.05]
　Chang Zhuolin,Dang Zhangli,Jia Le,et al.Observation analysis and effect evaluation of an artificial precipitation enhancement condition in Liupan Mountains, Ningxia[J].Journal of Meteorological Research and Application,2022,43(03):26-30.[doi:10.19849/j.cnki.CN45-1356/P.2022.3.05]
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宁夏六盘山区一次人工增雨条件观测分析和效果评估()
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气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第43卷
期数:
2022年03期
页码:
26-30
栏目:
研究论文
出版日期:
2022-09-15

文章信息/Info

Title:
Observation analysis and effect evaluation of an artificial precipitation enhancement condition in Liupan Mountains, Ningxia
作者:
常倬林1; 2;  党张利1; 2;  贾乐1; 2;  曹宁1; 2;  邓佩云1; 2;  周楠1; 2
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, 银川 750002;
2. 中国气象科学研究院中国气象局云雾物理重点开放实验室, 北京 100081
Author(s):
Chang Zhuolin1; 2;  Dang Zhangli1; 2;  Jia Le1; 2;  Cao Ning1; 2;  Deng Peiyun1; 2;  Zhou Nan1; 2
1. Key Laboratory for Meteorological Disaster Monitoring and Early Warning and Risk Management of Characteristic Agriculturein in Arid Regions, Yinchuan 750002, China;
2. Key Laboratory for Cloud Physics of China Meteorological Administration, Chinese Academy of Meteorological Sciences, Beijing 100081, China
关键词:
六盘山; 微波辐射计; 云雷达; 微雨雷达; 人工增雨
Keywords:
Liupan Mountain; microwave radiometer; cloud radar; micro rain radar; cloud seeding
分类号:
P412.13
DOI:
10.19849/j.cnki.CN45-1356/P.2022.3.05
摘要:
利用云雷达以及微雨雷达等观测资料，对六盘山区一次降水过程的增雨条件及作业效果进行分析。结果表明，此次降水属于层积混合降水；六盘山东坡最大雷达反射率因子最大，其次是西坡，山顶最弱；东坡水凝物粒子下落末速度最大，其次是山顶，西坡最小；降水前云液态含水量以及大气水汽含量出现显著跃增，六盘山东西两侧气流均为上升运动，降水结束后水平风速加强，云系生消在降水前、中、后期出现多层、单层、多层的结构特征。对此次降水过程所开展的地面火箭增雨评估后发现，该区域历史回归分析得到的绝对增雨量为4.2mm，相对增雨率为75.3%。
Abstract:
Using the data obtained by cloud radar and light rain radar et al., the precipitation enhancement conditions and the operation effects of cloud seeding of a precipitation process in Liupan Mountains from July 26 to 28, 2021 were analyzed. The results show that this precipitation belongs to stratified mixed precipitation. The maximum radar reflectivity factor is the largest on the eastern slope of Liupan, followed by the western slope, and the peak of the mountain is the weakest. The maximum value of the final falling velocity of hydrometeor particles on the east slope is the largest, followed by the top of the mountain, and the western slope is the smallest. Before the precipitation, the cloud liquid water content and the atmospheric water vapor content increased significantly. There were updrafts on the east and west sides of the mountain. After the precipitation, the horizontal wind speed strengthened. Besides, the formation and disappearance of cloud system appeared multi-layer, single-layer and multi-layered structural features before, during and after precipitation, respectively. After evaluating the ground rocket rainfall increase carried out by this rainfall process, it was found that the absolute rainfall increase obtained by the regional historical regression analysis was 4.2mm, and the relative increase rate of rainfall was 75.3%.

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备注/Memo

备注/Memo:
收稿日期:2022-05-28。
基金项目:第二次青藏高原综合科学考察研究项目（2019QZKK0104）、宁夏回族自治区重点研发计划项目（2022BEG02010）、宁夏青年拔尖人才培养基金项目（RQ0023）和中国气象局创新发展专项（CXFZ2021J043）
作者简介:常倬林(1981-),女,高级工程师,硕士,主要从事大气物理与大气环境及人工影响天气研究。E-mail:changzhl05@126.com
更新日期/Last Update: 1900-01-01