<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Large scaled projects are conducted in South Yellow Sea in recent years. Topographic effect and tidal current are key issues to the coastal engineering and the ocean engineering. In this study, field surveys were conducted to investigate the tidal level, current velocity, and current direction in South Yellow Sea. A numerical model was developed to simulate the radial current field based on the field data. To investigate the mechanism of the radial current field, the actual topography and a smoothed topography were applied in the numerical model, respectively. Results show that, the current field appeares radial because of the tidal system rather than the submarine topography. Local topography centralized the radiation centre and shifted the high-velocity zones. The actual topographic effect is proposed, and results show that local topography increases the flood tide velocity and decreases the ebb tide velocity. Lagrangian residual currents are calculated to illustrate possible sediment sources and transport routes.</p></abstract>

Large scaled projects are conducted in South Yellow Sea in recent years. Topographic effect and tidal current are key issues to the coastal engineering and the ocean engineering. In this study, field surveys were conducted to investigate the tidal level, current velocity, and current direction in South Yellow Sea. A numerical model was developed to simulate the radial current field based on the field data. To investigate the mechanism of the radial current field, the actual topography and a smoothed topography were applied in the numerical model, respectively. Results show that, the current field appeares radial because of the tidal system rather than the submarine topography. Local topography centralized the radiation centre and shifted the high-velocity zones. The actual topographic effect is proposed, and results show that local topography increases the flood tide velocity and decreases the ebb tide velocity. Lagrangian residual currents are calculated to illustrate possible sediment sources and transport routes.

Investigations of Topographic Effect on Radial Current in South Yellow Sea

Polish Maritime Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Investigations of Topographic Effect on Radial Current in South Yellow Sea"}

Large scaled projects are conducted in South Yellow Sea in recent years. Topographic effect and tidal current are key issues to the coastal engineering and the...

Investigations of Topographic Effect on Radial Current in South Yellow Sea

Article Category: Special Issue Title: Marine Processes Studies And Marine Engineering

Publié en ligne: 22 nov. 2017

Pages: 123 - 129

DOI: https://doi.org/10.1515/pomr-2017-0114

Mots clés
Field survey, Numerical model, Topography, Radial current, Lagrangian residual current

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Investigations of Topographic Effect on Radial Current in South Yellow Sea

Article Category: Special Issue Title: Marine Processes Studies And Marine Engineering

Publié en ligne: 22 nov. 2017

Pages: 123 - 129

DOI: https://doi.org/10.1515/pomr-2017-0114

Mots clésField survey, Numerical model, Topography, Radial current, Lagrangian residual current

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
Field survey, Numerical model, Topography, Radial current, Lagrangian residual current