globalchange  > 气候减缓与适应
DOI: 10.1175/JCLI-D-17-0212.1
Scopus记录号: 2-s2.0-85047072840
论文题名:
Evaluation of spatial and temporal performances of ERA-interim precipitation and temperature in Mainland China
作者: Liu Z.; Liu Y.; Wang S.; Yang X.; Wang L.; Baig M.H.A.; Chi W.; Wang Z.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2018
卷: 31, 期:11
起始页码: 4347
结束页码: 4365
语种: 英语
英文关键词: Annual variations ; Asia ; Atmosphere-land interaction ; Interannual variability ; Seasonal variability ; Temperature
Scopus关键词: Orthogonal functions ; Sea level ; Temperature ; Annual variations ; Asia ; Atmosphere-land interactions ; Interannual variability ; Seasonal variability ; Atmospheric temperature ; air temperature ; annual variation ; atmosphere-biosphere interaction ; precipitation (climatology) ; regional climate ; seasonal variation ; spatiotemporal analysis ; China
英文摘要: 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 0.37 K decade-1 of wintertime to 0.53 K decade-1 of springtime) at the annual and seasonal scales compared to corresponding periods for ERA-Interim temperature (from 0.03 K decade-1 of wintertime to 0.25 K decade-1 of summertime). Overall, ERA-Interim precipitation and temperature had good agreement with STA data in east China with lower elevation (<1000 m 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. © 2018 American Meteorological Society.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/111506
Appears in Collections:气候减缓与适应

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作者单位: Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China; Key Laboratory of Regional Climate-Environment for Temperate East Asia, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China; School of Earth Sciences, China University of Geosciences, Wuhan, China; Institute of Geo-Information and Earth Observation, Arid Agriculture University Rawalpindi, Rawalpindi, Pakistan; Resources and Environment Economy College, Inner Mongolia University of Finance and Economics, Hohhot, China; State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, China

Recommended Citation:
Liu Z.,Liu Y.,Wang S.,et al. Evaluation of spatial and temporal performances of ERA-interim precipitation and temperature in Mainland China[J]. Journal of Climate,2018-01-01,31(11)
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