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Analysis of black-hole eddy on material transport in the western Pacific
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Fenglin Tian1, 2, Xiaokun Yang1, Xiao Liu1, Qiu He1, Ge Chen1, 2, *
Haiyang Xuebao | 2021, 43(12) : 1 - 14
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Haiyang Xuebao | 2021, 43(12): 1-14
• Article •
Analysis of black-hole eddy on material transport in the western Pacific
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Fenglin Tian1, 2, Xiaokun Yang1, Xiao Liu1, Qiu He1, Ge Chen1, 2, *
Affiliations
  • 1Department of Marine Technology, College of Information Science and Engineering, Ocean University of China, Qingdao 266100, China
  • 2Regional Ocean Dynamics and Numerical Simulation Functional Laboratory, Pilot National Laboratory of Marine Science and Technology (Qingdao), Qingdao 266237, China
Published: 2021-12-30 doi: 10.12284/hyxb2021163
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Black-hole eddy can be extracted based on elliptic Lagrangian Coherent Structures (eLCSs), which can transport material and maintain coherent under geostrophic for a long time. It was similar to the black hole in the ocean, so it was called black-hole eddy. In this paper, the boundary of black-hole eddy was extracted based on the data of the geostrophic flow velocity field. Using the method of eLCSs and choosing a targeted eddy (Eddy A) in the western Pacific to analyze. Sea surface temperature, sea surface salinity and chlorophyll concentration data are used to verify that the Eddy A is coherent in horizontal material transport. The temperature, salinity and dissolved oxygen data obtained by Argo in different depths are used to prove the coherence in vertical of Eddy A. The result demonstrates that the boundary of black-hole eddy is more coherent than Eulerian boundary in a long time scale and can describe the transport of material more objectively.

black-hole eddy  /  coherence  /  material transport  /  three-dimensional structures
Fenglin Tian, Xiaokun Yang, Xiao Liu, Qiu He, Ge Chen. Analysis of black-hole eddy on material transport in the western Pacific[J]. Haiyang Xuebao, 2021 , 43 (12) : 1 -14 . DOI: 10.12284/hyxb2021163
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Year 2021 volume 43 Issue 12
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Article Info
doi: 10.12284/hyxb2021163
  • Receive Date：2020-08-06
  • Online Date：2026-02-26
  • Published：2021-12-30
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History
  • Received：2020-08-06
  • Revised：2020-12-28
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Affiliations
    1Department of Marine Technology, College of Information Science and Engineering, Ocean University of China, Qingdao 266100, China
    2Regional Ocean Dynamics and Numerical Simulation Functional Laboratory, Pilot National Laboratory of Marine Science and Technology (Qingdao), Qingdao 266237, China
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表12种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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