INTERACTION BETWEEN WATER WAVES AND VEGETATION

Toshiyuki Asano, Hiroshi Deguchi, Nobuhisa Kobayashi

Abstract


The presence of densely growing vegetation has been observed to result in wave damping and shoreline sediment deposition. Submerged or flooded vegetation, seaweed stands, reed stands and mangrove forests act as a buffer zone against wave attack on the rear beaches. Recently, a new method for shoreline protection by use of artificial seaweed has been at tempted (Rogers f986; Jenkins and Skelly 1987). Besides the function of shoreline protection, these vegetated areas play an important role in estuarine and nearshore ecosystems. Since the hydrodynamic process is one of the most important governing factors of the ecosystems, the interaction between water waves and vegetation needs to be quantified. Furthermore, the need of improved understanding of this mechanisms may increase since accelerated sea level rise may result in more flooding in vegetated areas(ASCE Task Committee 1992).

Keywords


wave/vegetation interaction; vegetation

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