An integrated approach for the planning of dredging operations in estuaries

OCEAN ENGINEERING

卷:140

Article

Alvarez, M.¹  Carballo, R.¹  Ramos, V.¹  Iglesias, G.² 

[1] Univ Santiago de Compostela, Hydraul Eng, Campus Univ S-N, Lugo 27002, Spain

[2] Univ Plymouth, Sch Marine Sci & Engn, Marine Bldg, Plymouth PL4 8AA, Devon, England

关键词: Estuary;    Dredging;    Port;    Sediment transport;    Navigation channel;    Numerical modelling;   

DOI  :  10.1016/j.oceaneng.2017.05.014

来源: Elsevier

【 摘 要 】

Ports are often located in naturally sheltered areas such as estuaries. The strong tidal currents that occur in many of these areas drive a dynamic morphodynamic regime, with the result that the approach channels to these ports are gradually infilled. Periodic dredging is therefore necessary to maintain the operativity of the port. A case in point is Ribadeo (NW Spain), an important port for the economy of the area. In this work, the sediment transport patterns of the estuary (Ria de Ribadeo) are investigated through high-resolution numerical modelling and field measurements covering a 4-year period. On this basis, a decision-aid tool is developed that enables to predict the time evolution of the approach channel and thus contributes to the planning of dredging operations and, more generally, the maintenance of adequate operativity levels in a cost-effective way.

【 授权许可】

Free