globalchange  > 气候减缓与适应
DOI: 10.1002/joc.5306
论文题名:
Land surface air temperature variations over Eurasia and possible causes in the past century
作者: Zuo Z.; Yang S.; Xu K.; Zhang R.; He Q.; Zhao T.; Cong J.
刊名: International Journal of Climatology
ISSN: 8998418
出版年: 2018
卷: 38, 期:4
起始页码: 1925
结束页码: 1937
语种: 英语
英文关键词: Eurasia ; inter-annual to decadal variations ; land surface air temperature ; multi-decadal variation ; warming
Scopus关键词: Atmospheric temperature ; Greenhouse gases ; Surface measurement ; Acceleration and deceleration ; Decadal timescale ; Decadal variations ; Eurasia ; Geophysical fluid dynamics laboratories ; Land surface air temperatures ; Simulated results ; Warming ; Air ; air temperature ; annual variation ; decadal variation ; land surface ; surface temperature ; warming ; Africa ; Eurasia
英文摘要: In this study, the variations of annual land surface air temperature (SAT) over Eurasia and the northern part of Africa (0°–180°E, 0°–90°N) were investigated using monthly SAT data from the Climatic Research Unit, University of East Anglia for 1901–2014 and the simulations from the Geophysical Fluid Dynamics Laboratory coupled model. The observed results suggested that the SAT variations exhibited robust non-uniform spatial features at multi-time scales. For the variations in inter-annual to decadal time scales (IDV), the intensity generally increased from south to north, with the strongest intensity being around Siberia and four times that of the weakest intensity found around China. The IDV leading pattern showed a north–south dipole across 40°N. The simulated results suggested that the north–south dipole and the northwards increase of the IDV were due to internal interactions within the complex nonlinear climate system, but the natural and greenhouse gas forcings could intensify the IDV. The warming trend of the SAT was generally homogeneous, but it showed distinctive multi-decadal fluctuations in different regions. The linear secular trends and robust multi-decadal variation around Siberia and China corresponded to the considerable acceleration and deceleration in the warming over the two regions, respectively. The warming around Siberia was mainly caused by greenhouse gases but its modulation due to natural forcing was also considerable because of the robust multi-decadal variations. Around China, the multi-decadal variation, contributed by the natural forcing, can explain more than half the variances in the warming. The warming trend around central Asia was intense and parabolic, and the multi-decadal variation over there was weak and showed few modulating effects. © 2017 Royal Meteorological Society
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/117062
Appears in Collections:气候减缓与适应

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作者单位: State Key Laboratory of Severe Weather, Chinese Academy of Meteorological Sciences, Beijing, China; Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Nanjing University of Information Science and Technology, China; Department of Atmospheric Sciences, Sun Yat-sen University, Guangzhou, China; State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China; Institute of Atmospheric Sciences, Fudan University, Shanghai, China; Key Laboratory of Regional Climate-Environment Research for East Asia, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China; School of Atmospheric Sciences and Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, Sun Yat-sen University, Guangzhou, China

Recommended Citation:
Zuo Z.,Yang S.,Xu K.,et al. Land surface air temperature variations over Eurasia and possible causes in the past century[J]. International Journal of Climatology,2018-01-01,38(4)
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