RECOVERY PROCESS OF BATHYMETRY OF SENDAI BAY AFTER THE 2011 TSUNAMI

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  • 仙台湾における津波後の海浜地形の回復過程
  • センダイワン ニ オケル ツナミ ゴ ノ カイヒン チケイ ノ カイフク カテイ

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Abstract

 The 2011 Tohoku Earthquake Tsunami caused serious and devastating morphology changes along Southern Sendai Bay Coast in Miyagi Prefecture, Japan. There are some places in which there still exists tsunami affected topography change even after more than six years since the 2011 Tsunami. Although there have been several investigations dealing with topographical recovery in this region, no study has been made covering whole of the littoral system on Southern Sendai Bay Coast. This study investigates whole of the region of Southern Sendai Bay Coast with the length of 50km to find overall behavior of sand coast recovery. Serious erosion has been observed off Idoura Lagoon and in front of the Abukuma river mouth in order to supply sediment to the adjacent tsunami-induced erosion area.

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