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| DOI | 10.1038/s41598-024-53591-2 |
| Into the Holocene, anatomy of the Younger Dryas cold reversal and preboreal oscillation | |
| 发表日期 | 2024 |
| ISSN | 2045-2322 |
| 起始页码 | 14 |
| 结束页码 | 1 |
| 卷号 | 14期号:1 |
| 英文摘要 | During the most recent deglaciation, the upwards trend of warmer Northern Hemisphere (NH) temperatures was punctuated by a rapid and intense return to glacial conditions: the Younger Dryas (YD). The end of this event marks the beginning of the Holocene. Using the University of Toronto version of CCSM4, a model of the climate prior to the YD was created with correct boundary conditions. Various amounts of freshwater forcing were then applied to the Beaufort Gyre for forcing intervals ranging from 1 to 125 years. In several cases, this was sufficient to collapse the Atlantic Meridional Overturning Circulation (AMOC) and cause significant cooling over the NH. Crucially, after the forcing was ceased, the AMOC stayed in an off state for approximately a millennium before mounting a rapid recover to pre-YD levels. This recovery, which permanently reduced the extent of NH sea ice, occurred through the mechanism of a Polynya opening in the Irminger Sea during winter and led to a pronounced overshoot of the AMOC, during which NH temperatures were higher than before the YD. |
| 语种 | 英语 |
| WOS研究方向 | Science & Technology - Other Topics |
| WOS类目 | Multidisciplinary Sciences |
| WOS记录号 | WOS:001158921600043 |
| 来源期刊 | SCIENTIFIC REPORTS
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/293240 |
| 作者单位 | University of Toronto |
| 推荐引用方式 GB/T 7714 | . Into the Holocene, anatomy of the Younger Dryas cold reversal and preboreal oscillation[J],2024,14(1). |
| APA | (2024).Into the Holocene, anatomy of the Younger Dryas cold reversal and preboreal oscillation.SCIENTIFIC REPORTS,14(1). |
| MLA | "Into the Holocene, anatomy of the Younger Dryas cold reversal and preboreal oscillation".SCIENTIFIC REPORTS 14.1(2024). |
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