2021 年 60 巻 6 号 p. 311-314
The new technology drone which appeared in around 2010 came into the limelight as concrete featured one of the robotization promotion and started an approach in public and private sectors. It was the theme that was important to the disaster investigation while the profit fields that inflected included an aerial photograph, surveying, the material transportation, guard. By the Hiroshima heavy rain earth and sand disaster that occurred in August, 2014, the shooting image by the drone caught the damage situation precisely, and the result was provided quickly from the Ministry of Land, Infrastructure, Transport and Tourism by each organization and contributed to next various measures planning.