Eulerian 3D Velocity Field Estimation of Debris Flows using Voxel-based Analysis of High-Frequency LiDAR: A Case Study at Ohya Landslide, Japan

Alafate Ainiwaer

Presentation information

[E] Oral

H (Human Geosciences ) » H-TT Technology & Techniques

[H-TT14] HIGH-DEFINITION TOPOGRAPHIC AND GEOGRAPHIC DATA FOR EARTH SURFACE CONNECTIVITY

Mon. May 25, 2026 9:00 AM - 10:30 AM Exhibition Hall Special Setting (3) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Hayakawa Yuichi S.(Faculty of Environmental Earth Science, Hokkaido University), Ogura Takuro(Graduate School of Education, Hyogo University of Teacher Education), Kasai Mio(Research Faculty of Agriculture, Hokkaido University), Gomez A Christopher(Kobe University Faculty of Maritime Sciences Volcanic Risk at Sea Research Group)

9:50 AM - 10:05 AM

[HTT14-04] Eulerian 3D Velocity Field Estimation of Debris Flows using Voxel-based Analysis of High-Frequency LiDAR: A Case Study at Ohya Landslide, Japan

*Alafate Ainiwaer¹, Yuichi S. Hayakawa², Tatsuki Kaneko³, Fumitoshi Imaizumi⁴ (1. Graduate School of Environmental Science, Hokkaido University, 2. Faculty of Environmental Earth Science, Hokkaido University, 3. The United Graduate school of Agricultural Science, Gifu University, 4. Faculty of Agriculture, Shizuoka University)

Keywords:debris flow monitoring, Voxel-based analysis, 4D LiDAR, Eulerian velocity field, Ohya Landslide