WAVE OVERTOPPING AND FLOOD RISK ASSESSMENT IN HARBOURS: A CASE STUDY OF THE PORT OF LAS NIEVES, GRAN CANARIA
Author(s)
JAVIER SANTANA-CEBALLOS, CONCEICAO JUANA FORTES, MARIA TERESA REIS, GERMÁN RODRÍGUEZ
Abstract
This paper presents the analysis of the probability of occurrence of wave overtopping events as well as its consequences at the Port of Las Nieves in Agaete, Gran Canaria Island, with the evaluation of the resulting level of flood risk. The study has been conducted using a third-generation spectral wave model to reproduce wave propagation from deep to shallow water depths considering the associated mean sea level, and a neural network-based model, for estimating mean wave overtopping discharges. Results reveal that overtopping in the initial sections of the port, located in the port access area, is substantially higher than that associated with the cross-sections of the main body of the breakwater, so that control actions to reduce overtopping are required due to the important socioeconomic implications regarding the infrastructure inoperability.
Keywords
wave overtopping, flood risk, neural networks, Port of Las Nieves
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