Continuous debris flow monitoring using DFLP and LVP on Sakura-jima IslandTakahiro Itoh, Tadaaki Iwao, Seiki Kubo, Takaya Tsurumoto, Satoshi Tagata, Misa Furuya and Takahisa MizuyamaE3S Web of Conf., 415 (2023) 03015DOI: https://doi.org/10.1051/e3sconf/202341503015