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| DOI | 10.1038/s41467-024-45906-8 |
| Glacial isostatic adjustment reduces past and future Arctic subsea permafrost | |
| 发表日期 | 2024 |
| EISSN | 2041-1723 |
| 起始页码 | 15 |
| 结束页码 | 1 |
| 卷号 | 15期号:1 |
| 英文摘要 | Sea-level rise submerges terrestrial permafrost in the Arctic, turning it into subsea permafrost. Subsea permafrost underlies similar to 1.8 million km(2) of Arctic continental shelf, with thicknesses in places exceeding 700 m. Sea-level variations over glacial-interglacial cycles control subsea permafrost distribution and thickness, yet no permafrost model has accounted for glacial isostatic adjustment (GIA), which deviates local sea level from the global mean due to changes in ice and ocean loading. Here we incorporate GIA into a pan-Arctic model of subsea permafrost over the last 400,000 years. Including GIA significantly reduces present-day subsea permafrost thickness, chiefly because of hydro-isostatic effects as well as deformation related to Northern Hemisphere ice sheets. Additionally, we extend the simulation 1000 years into the future for emissions scenarios outlined in the Intergovernmental Panel on Climate Change's sixth assessment report. We find that subsea permafrost is preserved under a low emissions scenario but mostly disappears under a high emissions scenario. |
| 语种 | 英语 |
| WOS研究方向 | Science & Technology - Other Topics |
| WOS类目 | Multidisciplinary Sciences |
| WOS记录号 | WOS:001205214400029 |
| 来源期刊 | NATURE COMMUNICATIONS
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/287018 |
| 作者单位 | Columbia University; Woods Hole Oceanographic Institution; Helmholtz Association; Alfred Wegener Institute, Helmholtz Centre for Polar & Marine Research; Max Planck Society |
| 推荐引用方式 GB/T 7714 | . Glacial isostatic adjustment reduces past and future Arctic subsea permafrost[J],2024,15(1). |
| APA | (2024).Glacial isostatic adjustment reduces past and future Arctic subsea permafrost.NATURE COMMUNICATIONS,15(1). |
| MLA | "Glacial isostatic adjustment reduces past and future Arctic subsea permafrost".NATURE COMMUNICATIONS 15.1(2024). |
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