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| DOI | 10.1016/j.dynatmoce.2020.101173 |
| Ocean surface hidden structures in the Lofoten area of the Norwegian Sea | |
| Bakhoday-Paskyabi M. | |
| 发表日期 | 2020 |
| ISSN | 03770265 |
| 卷号 | 92 |
| 英文摘要 | We investigate the structure of surface lateral mixing in the Lofoten area in the Norwegian Sea using surface velocity field derived from a 1/12o reanalysis data. We compute a Lagrangian diagnostic based on the evolution of Finite Time Lyapunov Exponents (FTLEs) by advecting (backward in time) a large number of particles to quantify the hidden skeleton of different dynamical regions in the study area. By constructing maps of deterministic Lagrangian Coherent Structures (LCSs), four dynamical regions are generally identified: (i) regions of maximal dynamical attraction along the west coast of Norway and Barents Sea Opening; (ii) area of quasi-prominent anticyclonic eddy located at the centre of Lofoten Basin (LB); (iii) mid-ocean system of the Mohn Ridge which separates the Atlantic and Arctic waters: (iv) areas expanded between shallow continental shelf and deep basins populated with multiscale structures. We further construct a climatology of LCSs and FTLE statistical distributions with 11-year of reanalysis data to investigate the seasonal variability of Lagrangian circulations and to classify further their dynamical properties. The FTLE and LCS analyses in the present study can contribute to better understand the key transport barriers to the fate of larval dispersion and ocean contaminants, and marine population connectivity. © 2020 Elsevier B.V. |
| 英文关键词 | Coherent structures; Lateral mixing; LCS and FTLE; Lofoten basin; Particle tracking; Transport barrier |
| 语种 | 英语 |
| scopus关键词 | Lagrange multipliers; Lyapunov methods; Marine pollution; Velocity; Continental shelves; Dynamical properties; Finite-time Lyapunov exponent; Lagrangian coherent structures; Multi-scale structures; Seasonal variability; Statistical distribution; Structure of surfaces; Dynamical systems; continental shelf; eddy; Lagrangian analysis; mixing; particulate matter; quantitative analysis; seasonal variation; tracking; Arctic Ocean; Barents Sea; Lofoten Basin; Mohns Ridge; Norwegian Sea |
| 来源期刊 | Dynamics of Atmospheres and Oceans
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/178288 |
| 作者单位 | Geophysical Institute, University of Bergen and Bergen Offshore Wind Centre, Allégaten 70, Bergen, 5020, Norway; Bjerknes Center for Climate Research, Bergen, Norway |
| 推荐引用方式 GB/T 7714 | Bakhoday-Paskyabi M.. Ocean surface hidden structures in the Lofoten area of the Norwegian Sea[J],2020,92. |
| APA | Bakhoday-Paskyabi M..(2020).Ocean surface hidden structures in the Lofoten area of the Norwegian Sea.Dynamics of Atmospheres and Oceans,92. |
| MLA | Bakhoday-Paskyabi M.."Ocean surface hidden structures in the Lofoten area of the Norwegian Sea".Dynamics of Atmospheres and Oceans 92(2020). |
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