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DOI | 10.1029/2021GL092988 |
Turbulent mixing and the formation of an intermediate nepheloid layer above the Siberian continental shelf break | |
Kirstin Schulz; Stefan Bü; ttner; Andreas Rogge; Markus Janout; Jens Hö; lemann; Tom P. Rippeth | |
2021-04-26 | |
发表期刊 | Geophysical Research Letters
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出版年 | 2021 |
英文摘要 | Intermediate nepheloid layers (INLs) form important pathways for the cross‐slope transport and vertical export of particulate matter, including carbon. While intermediate maxima in particle settling fluxes have been reported in the Eurasian Basin of the Arctic Ocean, direct observations of turbid INLs above the continental slope are still lacking. In this study, we provide the first direct evidence of an INL, coinciding with enhanced mid‐water turbulent dissipation rates, over the Laptev Sea continental slope in summer 2018. Current velocity data show a period of enhanced downslope flow with depressed isopcynals, suggesting that the enhanced turbulent dissipation is probably the consequence of the presence of an unsteady lee wave. Similar events occur mostly during ice free periods, suggesting an increasing frequency of episodic cross‐slope particle transport in the future. The discovery of the INL and the episodic generation mechanism provide new insights into particle transport dynamics in this rapidly changing environment. |
领域 | 气候变化 |
URL | 查看原文 |
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/325006 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Kirstin Schulz,Stefan Bü,ttner,et al. Turbulent mixing and the formation of an intermediate nepheloid layer above the Siberian continental shelf break[J]. Geophysical Research Letters,2021. |
APA | Kirstin Schulz.,Stefan Bü.,ttner.,Andreas Rogge.,Markus Janout.,...&Tom P. Rippeth.(2021).Turbulent mixing and the formation of an intermediate nepheloid layer above the Siberian continental shelf break.Geophysical Research Letters. |
MLA | Kirstin Schulz,et al."Turbulent mixing and the formation of an intermediate nepheloid layer above the Siberian continental shelf break".Geophysical Research Letters (2021). |
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