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| DOI | 10.1175/JCLI-D-23-0418.1 |
| Substantial Warming of the Atlantic Ocean in CMIP6 Models | |
| 发表日期 | 2024 |
| ISSN | 0894-8755 |
| EISSN | 1520-0442 |
| 起始页码 | 37 |
| 结束页码 | 11 |
| 卷号 | 37期号:11 |
| 英文摘要 | The storage of anthropogenic heat in oceans is geographically inhomogeneous, leading to differential warming rates among major ocean basins with notable regional climate impacts. Our analyses of observation -based datasets show that the average warming rate of 0 - 2000-m Atlantic Ocean since 1960 is nearly threefold stronger than that of the Indo-Paci fi c Oceans. This feature is robustly captured by historical simulations of phase 6 of Coupled Model Intercomparison Project (CMIP6) and is projected to persist into the future. In CMIP6 simulations, the ocean heat uptake through surface heat fl uxes plays a central role in shaping the interbasin warming contrasts. In addition to the slowdown of the Atlantic meridional overturning circulation as stressed in some existing studies, alterations of atmospheric conditions under greenhouse warming are also essential for the increased surface heat fl ux into the North Atlantic. Speci fi cally, the reduced anthropogenic aerosol concentration in the North Atlantic since the 1980s has been favorable for the enhanced Atlantic Ocean heat uptake in CMIP6 models. Another previously overlooked factor is the geographic shape of the Atlantic Ocean which is relatively wide in midlatitudes and narrow in low latitudes, in contrast to that of the Indo-Paci fi c Oceans. Combined with the poleward migration of atmospheric circulations, which leads to the meridional pattern of surface heat uptake with broadly enhanced heat uptake in midlatitude oceans due to reduced surface wind speed and cloud cover, the geographic shape effect renders a higher basin-average heat uptake in the Atlantic. |
| 英文关键词 | Climate change; Climate models; Atlantic Ocean; Atmospheric circulation; Heat budgets/ fl uxes; Temperature |
| 语种 | 英语 |
| WOS研究方向 | Meteorology & Atmospheric Sciences |
| WOS类目 | Meteorology & Atmospheric Sciences |
| WOS记录号 | WOS:001228996100001 |
| 来源期刊 | JOURNAL OF CLIMATE
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/301143 |
| 作者单位 | Chinese Academy of Sciences; Institute of Oceanology, CAS; Laoshan Laboratory; Woods Hole Oceanographic Institution |
| 推荐引用方式 GB/T 7714 | . Substantial Warming of the Atlantic Ocean in CMIP6 Models[J],2024,37(11). |
| APA | (2024).Substantial Warming of the Atlantic Ocean in CMIP6 Models.JOURNAL OF CLIMATE,37(11). |
| MLA | "Substantial Warming of the Atlantic Ocean in CMIP6 Models".JOURNAL OF CLIMATE 37.11(2024). |
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