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DOI | 10.1002/2017GL074561 |
Increased Ocean Heat Convergence Into the High Latitudes With CO2 Doubling Enhances Polar-Amplified Warming | |
Singh, H. A.1; Rasch, P. J.1; Rose, B. E. J.2 | |
2017-10-28 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2017 |
卷号 | 44期号:20 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | We isolate the role of the ocean in polar climate change by directly evaluating how changes in ocean dynamics with quasi-equilibrium CO2 doubling impact high-latitude climate. With CO2 doubling, the ocean heat flux convergence (OHFC) shifts poleward in winter in both hemispheres. Imposing this pattern of perturbed OHFC in a global climate model results in a poleward shift in ocean-to-atmosphere turbulent heat fluxes (both sensible and latent) and sea ice retreat; the high latitudes warm, while the midlatitudes cool, thereby amplifying polar warming. Furthermore, midlatitude cooling is propagated to the polar midtroposphere on isentropic surfaces, augmenting the (positive) lapse rate feedback at high latitudes. These results highlight the key role played by the partitioning of meridional energy transport changes between the atmosphere and ocean in high-latitude climate change. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000416761600058 |
WOS关键词 | SEA-ICE ; CLIMATE SENSITIVITY ; ENERGY TRANSPORTS ; SOUTHERN-OCEAN ; SYSTEM MODEL ; FEEDBACKS ; AMPLIFICATION ; CONSTRAINTS ; CLOUDS |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/27664 |
专题 | 气候变化 |
作者单位 | 1.US DOE, Atmospher Sci & Global Change Div, Pacific Northwest Natl Lab, Off Sci, Richland, WA 99352 USA; 2.SUNY Albany, Dept Atmospher & Environm Sci, Albany, NY 12222 USA |
推荐引用方式 GB/T 7714 | Singh, H. A.,Rasch, P. J.,Rose, B. E. J.. Increased Ocean Heat Convergence Into the High Latitudes With CO2 Doubling Enhances Polar-Amplified Warming[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(20). |
APA | Singh, H. A.,Rasch, P. J.,&Rose, B. E. J..(2017).Increased Ocean Heat Convergence Into the High Latitudes With CO2 Doubling Enhances Polar-Amplified Warming.GEOPHYSICAL RESEARCH LETTERS,44(20). |
MLA | Singh, H. A.,et al."Increased Ocean Heat Convergence Into the High Latitudes With CO2 Doubling Enhances Polar-Amplified Warming".GEOPHYSICAL RESEARCH LETTERS 44.20(2017). |
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