Evaluation of Spatial and Temporal Performances of ERA-Interim Precipitation and Temperature in Mainland China
Liu, Zhengjia1,2; Liu, Yansui1,2; Wang, Sisi1,2; Yang, Xiujing3; Wang, Lunche4; Baig, Muhammad Hasan Ali5; Chi, Wenfeng6; Wang, Zhaosheng7
2018-06-01
发表期刊JOURNAL OF CLIMATE
卷号31期号:11页码:4347-4365
文章类型Article
摘要ERA-Interim has been widely considered as a valid proxy for observations at global and regional scales. However, the verifications of ERA-Interim precipitation and temperature in mainland China have been rarely conducted, especially in the spatial and long-term performances. Therefore, in this study, we employed the interpolated ground station (STA) data to evaluate the spatial and temporal patterns and trends of ERA-Interim precipitation and temperature during 1980-2012. The results showed that relatively weaker performances were observed in ERA-Interim precipitation, with the skill score (S index) ranging from 0.41 to 0.50. Interannual ERA-Interim precipitation presented comparable trends with STA precipitation at the annual and seasonal scales. Spatial patterns of empirical orthogonal function (EOF) modes and corresponding principal components were evidently different between annual ERA-Interim and STA precipitation. For temperature, annual and seasonal patterns of ERA-Interim data were in good consistency with those of STA over China with the S index ranging from 0.59 to 0.70. Yet interannual STA temperature recorded stronger warming trends (from 0.37K decade(-1) of wintertime to 0.53 Kdecade(-1) of springtime) at the annual and seasonal scales compared to corresponding periods for ERA-Interim temperature (from 0.03Kdecade 21 of wintertime to 0.25Kdecade(-1) of summertime). Overall, ERA-Interim precipitation and temperature had good agreement with STA data in east China with lower elevation (< 1000m above sea level), but good agreements were not observed in west China with higher elevation. The findings suggest that caution should be paid when using ERA-Interim precipitation and temperature in areas with complex orography.
WOS标题词Science & Technology ; Physical Sciences
DOI10.1175/JCLI-D-17-0212.1
关键词[WOS]TIBETAN PLATEAU ; GLOBAL PRECIPITATION ; REANALYSIS DATA ; EXTREME PRECIPITATION ; ELEVATION CORRECTION ; MAXIMUM TEMPERATURE ; NCEP-CFSR ; EAST-ASIA ; PROJECT ; DATASETS
收录类别SCI
语种英语
WOS研究方向Meteorology & Atmospheric Sciences
WOS类目Meteorology & Atmospheric Sciences
WOS记录号WOS:000431418200001
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5166
专题黄土与第四纪地质国家重点实验室(2010~)
作者单位1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Atmospher Phys, Key Lab Reg Climate Environm Temperate East Asia, Beijing, Peoples R China
4.China Univ Geosci, Sch Earth Sci, Wuhan, Hubei, Peoples R China
5.Arid Agr Univ Rawalpindi, Inst Geoinformat & Earth Observat, Rawalpindi, Pakistan
6.Inner Mongolia Univ Finance & Econ, Resources & Environm Econ Coll, Hohhot, Peoples R China
7.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian, Shaanxi, Peoples R China
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Liu, Zhengjia,Liu, Yansui,Wang, Sisi,et al. Evaluation of Spatial and Temporal Performances of ERA-Interim Precipitation and Temperature in Mainland China[J]. JOURNAL OF CLIMATE,2018,31(11):4347-4365.
APA Liu, Zhengjia.,Liu, Yansui.,Wang, Sisi.,Yang, Xiujing.,Wang, Lunche.,...&Wang, Zhaosheng.(2018).Evaluation of Spatial and Temporal Performances of ERA-Interim Precipitation and Temperature in Mainland China.JOURNAL OF CLIMATE,31(11),4347-4365.
MLA Liu, Zhengjia,et al."Evaluation of Spatial and Temporal Performances of ERA-Interim Precipitation and Temperature in Mainland China".JOURNAL OF CLIMATE 31.11(2018):4347-4365.
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