Abstract
AbstractMangroves naturally protect the coast against high waves, storm surges, sea level rise and erosion by dissipating the energy of the incoming waves. As the importance of mangrove forest is earning attention recently, it is necessary to assess the ability of mangroves in reducing waves. This paper analyzes the reduction of wave energy as well as wave height due to mangrove forests at the coast of Bac Lieu province based on the XBeach 1D numerical model. The factors that have most effect on the wave reduction efficiency of mangroves are forest density, forest band width, incident wave height and water depth. These results show that the minimum band width of mangrove forest should be equal to 500 m, 450 m, 250 m and 150 m with respect to the case of no mangrove, sparse, medium and high density in order to reduce approximately 95% of the energy of the incoming wave.KeywordsMangrovesXBeach 1DWave attenuationBac Lieu provinceNumerical model
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