DOI: 10.1175/JCLI-D-11-00695.1
Scopus记录号: 2-s2.0-84872941613
论文题名: northern high-latitude heat budget decomposition and transient warming
作者: Rugenstein M.A.A. ; Winton M. ; Stouffer R.J. ; Griffies S.M. ; Hallberg R.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2013
卷: 26, 期: 2 起始页码: 609
结束页码: 621
语种: 英语
Scopus关键词: Atlantic meridional overturning circulations
; Atmospheric heat
; Global ocean
; Heat budget
; Long waves
; Nordic seas
; Northern latitudes
; Ocean heat transport
; Ocean heat uptake
; Surface heat fluxes
; Transient warming
; Budget control
; Carbon dioxide
; Climate change
; Heat transfer
; Sea ice
; Climate models
; carbon dioxide
; climate change
; climate modeling
; global warming
; heat budget
; heat flux
; heat transfer
; meridional circulation
; thermal convection
; thermal decomposition
; Arctic Ocean
; Atlantic Ocean
; Labrador Sea
; Norwegian Sea
英文摘要: Climate models simulate a wide range of climate changes at high northern latitudes in response to increased CO2. They also have substantial disagreement on projected changes of the Atlantic meridional overturning circulation (AMOC). Here, two pairs of closely related climate models are used, with each containing members with large and smallAMOCdeclines to explore the influence ofAMOCdecline on the high-latitude response to increased CO2. The models with larger AMOC decline have less high-latitude warming and sea ice decline than their small AMOC decline counterpart. By examining differences in the perturbation heat budget of the 40°-90°N region, it is shown that AMOC decline diminishes the warming by weakening poleward ocean heat transport and increasing the ocean heat uptake. The cooling impact of this AMOC-forced surface heat flux perturbation difference is enhanced by shortwave feedback and diminished by longwave feedback and atmospheric heat transport differences. The magnitude of the AMOC decline within model pairs is positively related to the magnitudes of control climate AMOC and Labrador and Nordic Seas convection. Because the 40°-90°N region accounts for up to 40% of the simulated global ocean heat uptake over 100 yr, the process described here influences the global heat uptake efficiency. © 2013 American Meteorological Society. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/52069
Appears in Collections: 气候变化事实与影响
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作者单位: Institute for Marine and Atmospheric Research Utrecht, Utrecht University, Utrecht, Netherlands; NOAA/Geophysical Fluid Dynamics Laboratory, Princeton, NJ, United States
Recommended Citation:
Rugenstein M.A.A.,Winton M.,Stouffer R.J.,et al. northern high-latitude heat budget decomposition and transient warming[J]. Journal of Climate,2013-01-01,26(2)