Projection of Shoreline Retreat due to Sea Level Rise along Japanese Coasts
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概要
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Sea level rise due to climate change is expected to increase coastal erosion and thus result in serious coastal disasters. Along the Japanese coasts, existing projections of the sea level rise show 9-27 cm rise at the end of 21st century; however, there is few study on its effect on the Japanese coastal erosion after Mimura et al. (1994). In this study, observed wave and tidal data were analyzed to investigate characteristics of their long-term trends and then future beach erosion along the Japanese coasts was projected using the Bruun rule for SRES A1B scenario. The observed data analyses demonstrate that the annual average and maximum tide levels and the annual maximum wave height tended to increase at rates of 0.4, 0.4 and 3.9 cm/yr, respectively, in recent decades. Due to these factors, beach erosion was projected to be 10-50 m.
- Japan Society of Civil Engineersの論文
Japan Society of Civil Engineers | 論文
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