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Journal of Japan Society of Civil Engineers Ser B2 (Coastal Engineering)
Field survey on coastal dike damage and scouring induced by the Great East Japan Earthquake Tsunami was conducted in the Southern Part of Sendai Plain. Erosion rate of dike cross section was estimated by using topographical data obtained by airborne laser scanner. The erosion rate tends to increase with relative height of coastal dike from the landside ground. Tsunami overtopping caused scouring at the landward toe of coastal dike, being a trigger of dike failure. Cross-sectional shape of thedoi:10.2208/kaigan.68.i_1396 fatcat:xhj7eedupfeedn5diu6nu5up3a