TOPOGRAPHIC OBSERVATION OF THE TIDAL FLAT AT THE MOUTH OF THE SHIRAKAWA RIVER DURING THE PASSAGE OF TYPHOON NO.9 AND NO.10 USING OPTICAL FIBERS. Int. Conf. Coastal. Eng. [Internet]. 2023 Oct. 2 [cited 2024 Jul. 3];(37):sediment.9. Available from: https://icce-ojs-tamu.tdl.org/icce/article/view/12783