An inter-comparison of coastal vulnerability assessment methods

In this paper a Coastal Vulnerability Assessment method (CVA) was compared with the well-established CVI method in order to obtain validation data and discuss the different results. The structure of the proposed method relies upon a key parameter, known as impact index Ii, which accounts for wave climate, bathymetry and sediment data and depends on the wave run-up height, the seasonal and long-term erosion, and the efficiency of coastal protection structures. The comparison between this CVA and the existing CVI method was done on a test site already examined. The calculation of the different contributions of each method was transformed in appropriate vulnerability scores in order to examine and discuss the different results.