气象科学2018，Vol.38Issue(1)：104-112,9.DOI:10.3969/2017jms.0024
2014年8月南京青奥会开幕式人工减雨作业回波分析
Echo analysis on artificial reducing rain operation during the opening ceremony of the Youth Olympic Games in August 2014 of Nanjing
摘要
Abstract
For the assessment effect of artificial reducing precipitation rain operation of major events venues,the artificial reducing operation effect of Nanjing Youth Olympic Games opening ceremony on August 16,2014 were analyzed with the data of dual polarization Doppler radar data(C-Pol NUIST),radiosonde and surface precipitation.Cell echo was tracked by using the TREC (Tracking Radar Echoes by Correlation) method.The changes of intensity echo ratio in the upstream and downstream of operation points were statistically analyzed.The echo characteristics of reflectivity factor (dBz),radial velocity (Vr),echo top height (ET),differential reflectivity factor (Zdr) and correlation coefficient (ρhv) and the atmospheric structure characteristics of wind-potential temperature (V-3θ) plot were researched.Research results show that the echo intensity and echo top decrease within the area of opening ceremony during 18:00-22:00.It has more strong rainfall in both short periods in intermittent of seeding catalyst and after operation.The study conclusion can provide the decision-making basis for the optimal operation time,the work place and the effect of artificial rain reduction.关键词
双偏振多普勒雷达/人工减雨/目标追踪/效果分析Key words
Dual polarization Doppler radar/Artificial rain reduction/Target tracking/Effect analysis分类
天文与地球科学引用本文复制引用
倪思聪,魏鸣..2014年8月南京青奥会开幕式人工减雨作业回波分析[J].气象科学,2018,38(1):104-112,9.基金项目
国家自然科学基金资助项目(41675029) （41675029）
国家重点基础研究发展计划973项目(2013CB430102) （2013CB430102）
地理信息科学教育部重点实验室开放研究基金资助项目(KLGIS2015A01) （KLGIS2015A01）
中国气象科学研究院灾害天气国家重点实验室开放课题(2016LASW-B12) （2016LASW-B12）
