[1]邓悦,任晓炜,丘平珠,等.台风“海高斯”(2007)期间多种降水融合实况产品的误差评估[J].气象研究与应用,2021,42(03):62-68.[doi:10.19849/j.cnki.CN45-1356/P.2021.3.11]
　Deng Yue,Ren Xiaowei,Qiu Pingzhu,et al.Error evaluation of multiple precipitation fusion live products during Typhoon Higos (2007)[J].Journal of Meteorological Research and Application,2021,42(03):62-68.[doi:10.19849/j.cnki.CN45-1356/P.2021.3.11]
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台风“海高斯”(2007)期间多种降水融合实况产品的误差评估()
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气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第42卷
期数:
2021年03期
页码:
62-68
栏目:
新技术应用
出版日期:
2021-10-08

文章信息/Info

Title:
Error evaluation of multiple precipitation fusion live products during Typhoon Higos (2007)
作者:
邓悦;  任晓炜;  丘平珠;  苏传程;  谭斐;  卓健
广西壮族自治区气象信息中心, 南宁 530022
Author(s):
Deng Yue;  Ren Xiaowei;  Qiu Pingzhu;  Su Chuancheng;  Tan Fei;  Zhuo Jian
Guangxi Meteorological Information Center, Nanning Guangxi 530022
关键词:
实况融合产品; 降水; 质量评估; 海高斯
Keywords:
live fusion products; precipitation; quality assessment; Higos
分类号:
P429
DOI:
10.19849/j.cnki.CN45-1356/P.2021.3.11
摘要:
以地面观测小时降水数据作为基准，采用多种指标评估CMPAS_FAST_05、CMPAS_FRT_05、CMPAS_RT_01三种降水融合实况产品对广西受2020年台风"海高斯"影响的强降水过程的再现情况。结果表明：（1） CMPAS_FAST_05、CMPAS_FRT_05均能较好地反映台风降水过程中降水量级及强降水落区的变化趋势，产品与地面观测的相关系数超过0.92，晴雨准确率超过0.99，对中雨及以上量级的降水，TS评分随降水量级的增大而增大。（2）三种产品均存在低估大值降水的现象，CMPAS_FAST_05还存在网格降水缺测、出现孤立点强降水的现象。（3）质量上1km产品优于5km产品，三源融合产品优于二源融合产品。
Abstract:
Taking ground-observed hourly precipitation data as a benchmark, a variety of indicators were used to evaluate the reproduction of the CMPAS_FAST_05, CMPAS_FRT_05, CMPAS_RT_01 precipitation fusion live products on the heavy precipitation process in Guangxi affected by the 2020 Typhoon Higos. The results show that(1) both CMPAS_FAST_05 and CMPAS_FRT_05 can better reflect the variation trend of precipitation magnitude and heavy precipitation area during the typhoon precipitation process. The correlation coefficient between the product and ground observation exceeds 0.92, and the barometer accuracy rate exceeds 0.99. For precipitation of moderate rain and above, the TS score increases with the increase of precipitation magnitude.(2) The three products all underestimate the large value precipitation, CMPAS_FAST_05 has the phenomenon of missing grid precipitation and strong precipitation at isolated points.(3) In terms of quality, 1-km products are better than 5-km products, and three-source fusion products are better than two-source fusion products.

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备注/Memo

备注/Memo:
收稿日期:2021-06-18。
基金项目:气象预报业务关键技术发展专项（YBGJXM（2020）1A-12）、中国气象局创新发展专项（CXFZ2021Z007）、广西气象局气象科研计划（桂气科2020QN05）
作者简介:邓悦(1995-),女,硕士,助理工程师,主要从事气象数据质量控制工作。E-mail:dengyue010203@163.com
通讯作者:任晓炜(1965-),女,正高级工程师,主要从事多源融合实况技术业务。E-mail:renxw2010@qq.com
更新日期/Last Update: 1900-01-01