SU Chuan-cheng,MAO Wen-shu,SHI Chun-xiang,et al.Assessment of the Rainfall Monitoring of Typhoon Soudelor by Multiple Precipitation Products[J].Journal of Chengdu University of Information Technology,2016,(06):614-621.
多种降水融合产品对“苏迪罗”台风的监测效果对比
- Title:
- Assessment of the Rainfall Monitoring of Typhoon Soudelor by Multiple Precipitation Products
- 文章编号:
- 2096-1618(2016)06-0614-08
- Keywords:
- meteorology; numerical simulation; typhoon; satellites integrated product; multisource merge products; precipitation monitoring; data evaluation
- 分类号:
- P457.6
- 文献标志码:
- A
- 摘要:
- 为对比CMOPRH多卫星集成降水产品与EMSIP多卫星集成降水产品以及中国地面与CMORPH卫星二源融合降水产品、中国地面与FY-2卫星二源融合降水产品以及中国地面卫星雷达三源融合降水产品对强天气降水过程的监测能力,以2015年第十三号台风“苏迪罗”为例,利用2426个国家级自动站降水数据进行空间对比和统计评估。研究结果表明,5套产品均能清晰表现台风结构; 多卫星集成降水产品对不同类型的降水的预估效果不同; 在降水关键区内多源融合降水产品较多卫星集成降水产品更为准确; 多源融合产品降水误差均比多卫星集成降水产品小一个量级; 三源融合降水产品对台风降水监测效果较好,降水平均偏差为(-0.0177 mm/h,-0.4134 mm/d),日降水相关性为0.9593。
- Abstract:
- This thesis conducts comparison of precipitation detection among five precipitation products, namely CMORPH, COMRPH-MERGE, FY2-MERGE and CMPA, in the case of typhoon Soudelor the No.13 typhoon in the year of 2015, by spatial contrast and statistical evaluation based on the precipitation data from 2426 national automatic weather stations. The results show that: all the products can display typhoon structures distinctly; performances of multi-satellites integrated products differ depending on the types of precipitation in question; multi-sources products performs more accurately than multi-satellites in critical areas of precipitation; multi-sources products have smaller deviations which are one level lower than those of multi-satellites, with CMPA out-standing all others having the smallest average deviation of(-0.0177 mm/h,-0.4134 mm/d)and a 0.9593-coefficient of correlation daily precipitation.
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备注/Memo
收稿日期:2016-10-14 基金项目:国家国际科技合作资助项目(2011DFG23150); 国家公益性行业专项资助项目(GYHY201306045); 高原大气与环境四川省重点实验室开放课题(PAEKL-2016-C9); 宁夏气象防灾减灾重点实验室开放基金资(2014); 四川省科技支撑计划资助项目(2013GZX0169)