[1]何莉阳,苏传程,覃卫坚,等.三套再分析气温资料在广西的适用性评估[J].气象研究与应用,2022,43(03):8-13.[doi:10.19849/j.cnki.CN45-1356/P.2022.3.02]
 He Liyang,Su Chuancheng,Qin Weijian,et al.Applicability evaluation of surface air temperature from three reanalysis datasets in Guangxi Province[J].Journal of Meteorological Research and Application,2022,43(03):8-13.[doi:10.19849/j.cnki.CN45-1356/P.2022.3.02]
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三套再分析气温资料在广西的适用性评估()
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气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第43卷
期数:
2022年03期
页码:
8-13
栏目:
研究论文
出版日期:
2022-09-15

文章信息/Info

Title:
Applicability evaluation of surface air temperature from three reanalysis datasets in Guangxi Province
作者:
何莉阳1 苏传程2 覃卫坚1 邓悦2 赖晟1 朱秋宇1
1. 广西壮族自治区气候中心, 南宁 530022;
2. 广西壮族自治区气象信息中心, 南宁 530022
Author(s):
He Liyang1 Su Chuancheng2 Qin Weijian1 Deng Yue2 Lai Sheng1 Zhu Qiuyu1
1. Guangxi Climate Center, Nanning 530022, China;
2. Guangxi Meteorological Information Center, Nanning 530022, China
关键词:
再分析资料地面气温观测资料线性拟合适应性
Keywords:
reanalysis data2m temperature evaluationobservational datalinear fitapplicability
分类号:
P468
DOI:
10.19849/j.cnki.CN45-1356/P.2022.3.02
摘要:
以2020年广西91个国家地面气象观测站2m气温资料作为基准,对中国第一代陆面再分析资料CMA-RA/Land及目前广泛使用的ERA5/Land、CFSR等3套再分析气温资料在广西的适用性进行初步对比评估。结果表明,3套资料均能重现气温时空分布特征,但存在不同程度的冷偏差,CMA-RA/Land与观测值最接近,ERA5/Land在桂北冷偏差较明显,CFSR整体冷偏差较大。CMA-RA/Land在站点上的各项评估指标均表现良好,相关系数高,均方根误差、绝对误差、相对误差均较小。总体来看,CMA-RA/Land在广西适用性最好。
Abstract:
Taking the 2m temperature data of 91 national surface meteorological observation stations in Guangxi in 2020 as the benchmark, a preliminary comparison of the applicability of surface air temperature from china first-generation land surface reanalysis data (CMA-RA/Land), and ERA5/Land, CFSR, which two are widely used at present, was conducted in Guangxi. The results show that the spatial-temporal distribution characteristics of temperature can be reproduced in all three sets of data, but there are varying degrees of cold deviation. Among them, CMA-RA/Land is the closest to the observed values, while the cold bias of ERA5/Land is obvious in northern Guangxi, and CFSR has the largest cold deviation. CMA-RA/Land performed best on all evaluation indicators, with the highest correlation coefficient, and its root mean square error, absolute error and relative error were the smallest. Overall, CMA-RA/Land has the best applicability in Guangxi.

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备注/Memo

备注/Memo:
收稿日期:2022-04-10。
基金项目:广西科技计划项目(桂科AB21075005)
作者简介:何莉阳(1994-),女,硕士,助理工程师,主要从事气候变化研究。E-mail:717080438@qq.com
通讯作者:覃卫坚(1971-),男,博士,正研级高级工程师,主要从事短期气候预测方法研究。E-mail:qinweijian2008@126.com
更新日期/Last Update: 1900-01-01