Technical Paper

Proposal of a new idea for designating hazard areas based on travel distance of sediment and woody debris discharged from rainfall－induced landslides in Aso caldera walls

Osamu SHIMIZU, Ryuuhou KODAMA and Mio KASAI　3

General Review

Condition of the education on SABO in the incipient period of modern SABO

Haruo NISHIMOTO　15

A consideration on footprint of Amerigo HOFMANN, foreign professor of SABO laboratory, the Imperial University of Tokyo

Haruo NISHIMOTO　24

Technical Notes

Study on the sensor unit for resistivity fish counter for small fish

Yasuyuki KONDO and Yutaka GONDA　34