globalchange  > 气候减缓与适应
DOI: 10.1002/joc.5155
论文题名:
Different roles of dynamic and thermodynamic effects in enhanced semi-arid warming
作者: Guo R.; Guan X.; He Y.; Gan Z.; Jin H.
刊名: International Journal of Climatology
ISSN: 8998418
出版年: 2018
卷: 38, 期:1
起始页码: 13
结束页码: 22
语种: 英语
英文关键词: Dynamic warming ; Semi-arid regions ; Thermodynamic warming
Scopus关键词: Arid regions ; Coupled Model Intercomparison Project ; Forced component ; Induced component ; Northern Hemispheres ; Semi-arid region ; Surface air temperatures ; Thermodynamic effect ; Thermodynamic temperature ; Temperature ; air temperature ; Northern Hemisphere ; semiarid region ; thermodynamics ; warming ; Asia ; Europe ; North America
英文摘要: Enhanced warming in semi-arid regions has received much attention since it was first proposed, but the primary driver of this phenomenon remains unknown. This study applied dynamical adjustment to surface air temperature and partitioned the warming into two separate components: a thermodynamically forced component and a dynamically induced component. The results showthat themean amount of thermodynamicwarming in the Northern Hemisphere in the study period 1902-2011 was 1.36 ∘ C/109 years and that the amount of dynamic warming was 0.14 ∘C/109 years. In the mid-latitude zones of Asia, Europe, and North America, the thermodynamic warming was 1.60, 1.19, and 1.32 ∘ C/109 years, respectively, and the corresponding dynamic warming was 0.26, 0.14, and 0.09 ∘ C/109 years. Obviously, higher thermodynamic temperature warming was observed in semi-arid regions, suggesting that the enhanced semi-arid warming (ESAW) is the result of local thermodynamic effects. Thus, ifferent local thermodynamic effects are responsible for the warming discrepancies in the semi-arid regions of Asia, Europe, and North America. Moreover, the considerable bias of Coupled Model Intercomparison Project Phase 5 (CMIP5) ensemble mean temperature trend appeared in semi-arid regions rather than other regions indicate that the simulation of semi-arid regions is particularly complex and difficult. © 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/117133
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作者单位: Key Laboratory for Semi-arid Climate Change of the Ministry of Education, College of Atmospheric Sciences, Lanzhou University, China

Recommended Citation:
Guo R.,Guan X.,He Y.,et al. Different roles of dynamic and thermodynamic effects in enhanced semi-arid warming[J]. International Journal of Climatology,2018-01-01,38(1)
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