[1]蓝玉峰,侯君杏,黄嘉宏.三套再分析降水资料在华南地区的适用性评估[J].气象研究与应用,2020,41(02):14-20.[doi:10.19849/j.cnki.CN45-1356/P.2020.2.03]
　Lan Yufeng,Hou Junxing,Huang Jiahong.Applicability evaluation of three sets of reanalysis precipitation data in South China[J].Journal of Meteorological Research and Application,2020,41(02):14-20.[doi:10.19849/j.cnki.CN45-1356/P.2020.2.03]
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三套再分析降水资料在华南地区的适用性评估()
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气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第41卷
期数:
2020年02期
页码:
14-20
栏目:
研究论文
出版日期:
2020-06-30

文章信息/Info

Title:
Applicability evaluation of three sets of reanalysis precipitation data in South China
作者:
蓝玉峰;  侯君杏;  黄嘉宏
广西壮族自治区气象培训中心, 南宁 530022
Author(s):
Lan Yufeng;  Hou Junxing;  Huang Jiahong
Guangxi Meteorological Training Center, Nanning 530022
关键词:
华南区域; 再分析资料; 降水评估
Keywords:
South China; reanalysis data; precipitation evaluation
分类号:
P459.9
DOI:
10.19849/j.cnki.CN45-1356/P.2020.2.03
摘要:
利用1980-2017年观测站降水数据（OBS）为参照标准，对目前广泛应用的三套再分析资料，即ERAI资料、JRA-55资料和CFSR资料在华南地区降水空间分布和年际变化的再现能力进行分析与评估。结果表明，不同资料对不同季节降水的再现能力存在显著差异，三者对降水年际变化的刻画都较为优秀，但对降水空间分布描述偏差较大，且在夏季最为明显；三者之间对比，ERAI对春季和冬季降水时空变化表现能力较为优秀，但在秋季表现一般；CFSR降水与实测时空相关性较好，但都存在降水系统性高估，在夏季最为严重，偏差达到5 mm·d-1；JRA-55对夏季和秋季降水刻画相对最佳，但对冬季降水存在高估。
Abstract:
Using the 1980-2017 observation station precipitation data(OBS) as a reference standard, the reproducibility in the spatial distribution and interannual variation of precipitation of the three sets of reanalysis data, which are currently widely used(ERAI data, JRA-55 data and CFSR data), was analyzed and evaluated. The results showed that there were significant differences in the ability of different data to reappear precipitation in different seasons. All of them have excellent descriptions of the interannual variation of precipitation, but the spatial distribution of precipitation deviate greatly, especially in summer. ERAI has a better performance on the spatial-temporal variation of spring and winter precipitation, but in autumn the performance is general; the correlation between CFSR and the measured spatial-temporal results is high, but there is systematic overestimation of precipitation, which is the most serious in summer, with a deviation of 5 mm·d-1; JRA-55 has the best description of summer and autumn precipitation, but overestimates winter precipitation.

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备注/Memo

备注/Memo:
收稿日期:2020-02-23。
基金项目:广西近十年强对流天气历史个例资料库（桂气科2019TG03）、广西区气象局科研项目（桂气科2020M20）
作者简介:蓝玉峰(1990-),女,广西来宾人,硕士,助理工程师,主要从事台风预报研究、教育培训工作。
更新日期/Last Update: 1900-01-01