<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Oujiang Estuary is a complex tidal estuary with many channels and shoals in the East China Sea, which was affected by typhoon frequently. The navigation channel of Wenzhou Port is located in the north branch of Oujiang Estuary, which happened serious sediment siltation in many times due to typhoon impact. The regulation is considered to decrease siltaion of the channel and protect shoals as well. According to the site survey data, the mathematic model is established and validated, which simulates the hydrodynamic, sediment transport and channel siltation due to typhoon in Oujiang Estuary. The channel regulation scenario is studied by the model simulation after analysis of the silation character. It indicates that the high concentration sediment from shoals north of channel is main sediment source caused siltation in the channel, which can be prevented into the channel by the regulation scenario and decrease siltation efficiently.</p></abstract>

Oujiang Estuary is a complex tidal estuary with many channels and shoals in the East China Sea, which was affected by typhoon frequently. The navigation channel of Wenzhou Port is located in the north branch of Oujiang Estuary, which happened serious sediment siltation in many times due to typhoon impact. The regulation is considered to decrease siltaion of the channel and protect shoals as well. According to the site survey data, the mathematic model is established and validated, which simulates the hydrodynamic, sediment transport and channel siltation due to typhoon in Oujiang Estuary. The channel regulation scenario is studied by the model simulation after analysis of the silation character. It indicates that the high concentration sediment from shoals north of channel is main sediment source caused siltation in the channel, which can be prevented into the channel by the regulation scenario and decrease siltation efficiently.

Numerical Modeling of Hydrodynamic and Sediment Siltation Due to Typhoon in Estuary Channel Regulation

School of Civil Engineering, Tianjin University, Tianjin, China

Tianjin Research Institute for Water Transport Engineering Key Laboratory of EngineeringSediment of Ministry of Transport Tianjin, China

Polish Maritime Research

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

Oujiang Estuary is a complex tidal estuary with many channels and shoals in the East China Sea, which was affected by typhoon frequently. The navigation...

Numerical Modeling of Hydrodynamic and Sediment Siltation Due to Typhoon in Estuary Channel Regulation

Published Online: Oct 15, 2015

Page range: 61 - 66

DOI: https://doi.org/10.1515/pomr-2015-0034

Keywords
Oujiang Estuary, numerical model, channel regulation, sediment siltation, typhoon

© 2015

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

Numerical Modeling of Hydrodynamic and Sediment Siltation Due to Typhoon in Estuary Channel Regulation

Published Online: Oct 15, 2015

Page range: 61 - 66

DOI: https://doi.org/10.1515/pomr-2015-0034

KeywordsOujiang Estuary, numerical model, channel regulation, sediment siltation, typhoon

© 2015

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

Keywords
Oujiang Estuary, numerical model, channel regulation, sediment siltation, typhoon