globalchange  > 过去全球变化的重建
DOI: 10.1007/s00382-015-2602-5
Scopus记录号: 2-s2.0-84955655461
论文题名:
Inhomogeneous warming of the Tropical Indian Ocean in the CMIP5 model simulations during 1900–2005 and associated mechanisms
作者: Yao S.-L.; Huang G.; Wu R.-G.; Qu X.; Chen D.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2016
卷: 46, 期:2017-01-02
起始页码: 619
结束页码: 636
语种: 英语
英文关键词: Anti-symmetric atmospheric circulation ; Double-peak warming pattern ; Inhomogeneous warming ; Non-uniform IOBM-like pattern ; Tropical Indian Ocean
英文摘要: The characteristics and causes of inhomogeneous warming of the Tropical Indian Ocean (TIO) sea surface temperature during 1900–2005 are investigated based on observations and 16 Coupled Model Intercomparison Project phase 5 (CMIP5) models. Over the TIO, the observed warming trend has more than doubled since 1965, which is well simulated by the CMIP5 historical runs. However, as to spatial warming pattern, observations manifest a double-peak pattern during 1900–1940 and a non-uniform Indian Ocean Mode (IOBM)-like pattern during 1965–2005, which is not captured by the CMIP5 historical runs. Herein, an optimal detection analysis is employed, which indicates that the double-peak warming pattern can be explained well by a combination of Greenhouse Gas (GHG) and natural forcing, and the non-uniform IOBM-like pattern is mostly attributable to anthropogenic forcing. Further, a mixed-layer heat budget analysis shows that atmospheric and oceanic processes, especially latent heat flux from atmospheric forcing part associated with GHG forcing, are beneficial for the warming patterns formation. Our study supports the claim that intrinsic ocean–atmosphere interaction within the TIO is the key mechanism for maintaining the TIO warming. From the model perspective, during 1900–1940, the weak anti-symmetric atmospheric circulation with easterly (northwesterly) anomalies north (south) of the equator helps to sustain the double-peak warming pattern. During 1965–2005, the intensified anti-symmetric wind pattern is in favor of the non-uniform IOBM-like warming pattern. © 2015, Springer-Verlag Berlin Heidelberg.
资助项目: NSFC, National Natural Science Foundation of China ; NSFC, National Natural Science Foundation of China ; CAS, National Natural Science Foundation of China
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/53878
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作者单位: State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics, Chinese Academy of Sciences, P. O. Box 9804, Beijing, China; University of Chinese Academy of Sciences, Beijing, China; Joint Center for Global Change Studies, Beijing, China; Center for Monsoon System Research, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China

Recommended Citation:
Yao S.-L.,Huang G.,Wu R.-G.,et al. Inhomogeneous warming of the Tropical Indian Ocean in the CMIP5 model simulations during 1900–2005 and associated mechanisms[J]. Climate Dynamics,2016-01-01,46(2017-01-02)
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