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      Laboratory Experiments on an Internal Solitary Wave over a Triangular Barrier

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          Abstract

          Laboratory experiments were conducted to investigate the evolution of interfacial internal solitary waves (ISWs) incident on a triangular barrier. ISWs with different amplitudes were generated by gravitational collapse. The ISW energy dissipation and turbulence processes were calculated as waves passed over the triangular barrier. Experimental results showed that ISWs were reflecting back off the triangular barrier, and shoaling ISWs led to wave breaking and mixing when waves propagated over the obstacle. Wave instability created the dissipation of energy as it was transmitted from waves to turbulence. The rate of ISW energy dissipation, the maximum turbulent dissipation, and the buoyancy diffusivity linearly increased with the increase in the incident wave energy.

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          Author and article information

          Journal
          JOUC
          Journal of Ocean University of China
          Science Press and Springer (China )
          1672-5182
          24 August 2019
          01 October 2019
          : 18
          : 5
          : 1061-1069
          Affiliations
          1Key Laboratory of Physical Oceanography, Ocean University of China, Qingdao 266100, China
          2Polar Research Institute of China, Shanghai 200136, China
          Author notes
          *Corresponding author: CHEN Xu
          Article
          s11802-019-3943-1
          10.1007/s11802-019-3943-1
          Copyright © Ocean University of China, Science Press and Springer-Verlag GmbH Germany 2019.

          The copyright to this article, including any graphic elements therein (e.g. illustrations, charts, moving images), is hereby assigned for good and valuable consideration to the editorial office of Journal of Ocean University of China, Science Press and Springer effective if and when the article is accepted for publication and to the extent assignable if assignability is restricted for by applicable law or regulations (e.g. for U.S. government or crown employees).

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          Self URI (journal-page): https://www.springer.com/journal/11802

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