globalchange  > 气候减缓与适应
DOI: 10.1002/2013GL058123
论文题名:
Energy balance in a warm world without the ocean conveyor belt and sea ice
作者: Hu A.; Meehl G.A.; Han W.; Lu J.; Strand W.G.
刊名: Geophysical Research Letters
ISSN: 0094-8327
EISSN: 1944-8058
出版年: 2013
卷: 40, 期:23
起始页码: 6242
结束页码: 6246
语种: 英语
英文关键词: AMOC ; energy balance ; sea ice
Scopus关键词: Absorption of solar radiation ; AMOC ; Global ocean conveyor ; Global-mean temperature ; Long-wave radiation ; Meridional heat transports ; National center for atmospheric researches ; Short-wave radiation ; Belt conveyors ; Climate models ; Energy balance ; Global warming ; Greenhouse gases ; Heat transfer ; Oceanography ; Solar radiation ; Sun ; Sea ice ; atmosphere-ice-ocean system ; cloud cover ; energy balance ; global warming ; heat balance ; heat flux ; sea ice ; shortwave radiation ; solar radiation
英文摘要: Under a strong global warming scenario, the global mean temperature could rise up to 10°C, causing the global ocean conveyor belt to collapse and the summer sea ice to disappear. This will lead to profound changes in our climate system and to impact drastically the living conditions of the globe. Here we study how the global heat redistribution and regional heat balance will respond to these changes using the National Center for Atmospheric Research Community Climate System Model version 4. Results show that the collapsed ocean conveyor belt reduces the oceanic northward meridional heat transport (MHT) by nearly 60% with a minor increase in the atmospheric MHT. The polar amplified warming is primarily caused by the increased absorption of longwave radiation due to the increased greenhouse gases and cloudiness and by the increased absorption of shortwave radiation due to a lower albedo associated with the disappeared summer sea ice. Key Points Collapsed AMOC under RCP8.5 will reduce oceanic heat transport Reduced oceanic heat transport is partly compensated by atmosphere Reduced sea ice lowers the albedo and increases absorption of solar radiation ©2013. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84889005245&doi=10.1002%2f2013GL058123&partnerID=40&md5=7037036e73667b1021cd52cc14394df9
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/5591
Appears in Collections:气候减缓与适应

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作者单位: National Center for Atmospheric Research, PO Box 3000, Boulder, CO 80307, United States

Recommended Citation:
Hu A.,Meehl G.A.,Han W.,et al. Energy balance in a warm world without the ocean conveyor belt and sea ice[J]. Geophysical Research Letters,2013-01-01,40(23).
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