Sabo Works in Wakayama Prefecture - Evolution Through Learning a Lesson from 2011 Disasters -

Keio CHITO, Yasuyoshi MIKI, Shigenori IMADA, Satoru MORIKAWA, Takehiro SAKAGUCHI and Tsuneshi NISHIOKA

Wakayama prefecture has high potential risk of sediment disasters due to geomorphological and geological factor and climate condition. The Wakayama prefectural government has been implementing various structural and non-structural measures in order to achieve zero death tolls by sediment disasters. However, many human losses were caused by typhoon TALAS in 2011 and large-scale sediment disasters occurred in the southern part of the prefecture. Taking this opportunity of the event, the central government began directly Sabo works and the Wakayama prefectural government established the Wakayama Sabo Research and Education Institute (IWSRE), as the base institution for researching sediment disasters and for succeeding disaster remembrance, in the Nachikatsu-ura town where was severely damaged by debris flow disaster events in 2011. The IWSRE implements various programs to mitigate sediment disaster impacts in cooperation with concerned organizations. This study introduces new programs that the prefectural government has been implementing after typhoon in 2011.

2018/1 258-263