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Experimental study on the dynamic process and characteristics of slope sediments after breaking of internal solitary waves
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Yibing Li1, Lejun Liu1, *, Qingjie Zhou2, Yang Hui3
Haiyang Xuebao | 2022, 44(8) : 42 - 50
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Haiyang Xuebao | 2022, 44(8): 42-50
• Article •
Experimental study on the dynamic process and characteristics of slope sediments after breaking of internal solitary waves
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Yibing Li1, Lejun Liu1, *, Qingjie Zhou2, Yang Hui3
Affiliations
  • 1. Marine Engineering Environment & Geomatic Center, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
  • 2. Laboratory of Marine Geology and Geophysics, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
  • 3. Mechanical and Electrical Engineering, China University of Petroleum School (Huadong), Qingdao 266580, China
Published: 2022-08-01 doi: 10.12284/hyxb2022174
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In order to improve the study of the interaction between internal solitary waves and submarine slope sediments, the stage of continued motion on the slope after internal solitary waves fragmentation is focused on in this paper, and conducts physical simulation experiments to analyse the changes in earth pressure and super-pore water pressure in response to the slope to reveal the process of internal wave action. The results show that the sediment particles on the slope are resuspended under the combined action of vortex and seepage caused by the internal solitary waves fragmentation, and the change in slope gradient does not change the dominant dynamic role of the sediment in generating the dynamic response; the amplitude of the internal solitary waves affect the ratio between vortex and seepage, i.e. the vortex is dominant under small amplitude conditions and the seepage is dominant under large amplitude conditions; the fragmented fluid forms a new dynamic role when it rushes out along the slope. The dynamic response of the sediment to the new vorticity is influenced by the slope of the slope. The results of this paper are useful for the study of internal solitary waves resuspension transporting seafloor sediments and modifying seafloor topography.

internal solitary wave  /  velocity  /  submarine slope  /  dynamic response
Yibing Li, Lejun Liu, Qingjie Zhou, Yang Hui. Experimental study on the dynamic process and characteristics of slope sediments after breaking of internal solitary waves[J]. Haiyang Xuebao, 2022 , 44 (8) : 42 -50 . DOI: 10.12284/hyxb2022174
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Article Info
doi: 10.12284/hyxb2022174
  • Receive Date：2021-09-16
  • Online Date：2026-02-01
  • Published：2022-08-01
Article Data
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History
  • Received：2021-09-16
  • Revised：2021-12-27
Funding
Affiliations
    1. Marine Engineering Environment & Geomatic Center, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
    2. Laboratory of Marine Geology and Geophysics, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
    3. Mechanical and Electrical Engineering, China University of Petroleum School (Huadong), Qingdao 266580, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
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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