流砂(1)

2:40 PM - 2:50 PM JST(5:40 AM - 5:50 AM UTC)

[II-87] Verification of the measurement accuracy of "N-Sonar," an underwater topographic survey technology using fish finders in dam reservoirs—comparison with narrow multibeam acoustic bathymetry.

*Jitsuya Nagata¹ (1. Chuo Kaihatsu Corporation)

Keywords:

Dam sediment,bathymetric surveying,fish finder,Narrow multibeam acoustic sounding,Reservoir sediment management