[S-CG66] Ocean Floor Geoscience

[SCG66-P13] Secular change of sediment composition and its origin after 3.11 Great East Japan Earthquake in Onagawa Bay, Miyagi Prefecture

*Tomoaki Wakayama¹, Izumi Sakamoto¹, Yuka Yokoyama¹, Toyonobu Hujii², Akihiro Kijima² (1.Tokai University, 2.Tohoku University)