斜面 (8)

[III-382] A study of mountain stream survey method along expressways using unmanned aerial vehicles(No.1)

*Toyokazu Murakami¹, Jun Nakamura¹, Tetsushi Maekawa², Takuya Kodani² (1. Nippon Expressway Research Institute Company Limited, 2. West Nippon Expressway Engineering Chugoku Company Limited)

Keywords:unmanned aerial vehicle, debris flow, landslide disaster, mountain Stream Survey