globalchange  > 气候变化事实与影响
DOI: 10.1175/JCLI-D-14-00809.1
Scopus记录号: 2-s2.0-84946233824
论文题名:
Robust warming pattern of global subtropical oceans and its mechanism
作者: Wang G.; Xie S.-P.; Huang R.X.; Chen C.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2015
卷: 28, 期:21
起始页码: 8574
结束页码: 8584
语种: 英语
Scopus关键词: Oceanography ; Stream flow ; Surface waters ; Anthropogenic climate ; Coupled Model Intercomparison Project ; Natural variability ; Ocean general circulation models ; Sub-surface ocean ; Subtropical ocean ; Thermocline depth ; Thermocline models ; Tropics ; climate change ; climate modeling ; global warming ; gyre ; oceanic circulation ; stratification ; thermocline
英文摘要: The subsurface ocean response to anthropogenic climate forcing remains poorly characterized. From the Coupled Model Intercomparison Project (CMIP), a robust response of the lower thermocline is identified, where the warming is considerably weaker in the subtropics than in the tropics and high latitudes. The lower thermocline change is inversely proportional to the thermocline depth in the present climatology. Ocean general circulation model (OGCM) experiments show that sea surface warming is the dominant forcing for the subtropical gyre change in contrast to natural variability for which wind dominates, and the ocean response is insensitive to the spatial pattern of surface warming. An analysis based on a ventilated thermocline model shows that the pattern of the lower thermocline change can be interpreted in terms of the dynamic response to the strengthened stratification and downward heat mixing. Consequently, the subtropical gyres become intensified at the surface but weakened in the lower thermcline, consistent with results from CMIP experiments. © 2015 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/50633
Appears in Collections:气候变化事实与影响

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作者单位: State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institution of Oceanography, State Oceanic Administration, Hangzhou, China; Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA, United States; Physical Oceanography Laboratory, Ocean University of China, Qingdao, China; Qingdao Collaborative Innovation Center of Marine Science and Technology, Ocean University of China, Qingdao, China; Woods Hole Oceanographic Institution, Woods Hole, MA, United States

Recommended Citation:
Wang G.,Xie S.-P.,Huang R.X.,et al. Robust warming pattern of global subtropical oceans and its mechanism[J]. Journal of Climate,2015-01-01,28(21)
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