@article{9bbb532392204d65b483e193f62a129a,
title = "Estimation of distributed flow resistance in vegetated rivers using airborne topo-bathymetric LiDAR and its application to risk management tasks for Asahi River flooding",
abstract = "This report describes a method of extracting vegetation conditions and topo-bathymetric data of rivers using airborne LiDAR with near-infrared and green pulsed lasers. Parameters related to flow resistance attributable to vegetation in rivers were found using point cloud data of LiDAR with support from supervised classification. Comparison of data obtained from simulations and observations was used to assess the applicability of the proposed method for examination of lower Asahi River flooding that occurred in Japan in September 2011. Results demonstrated that the methodology used herein can estimate flow resistance parameterisation of vegetation distributed on a reach scale. This study also used numerical tests to elucidate effects of established vegetation for flood control at the lower Asahi River bifurcation point using a historically important fixed weir. Results of these numerical tests demonstrated that the method can elucidate effective means of managing vegetation removal around the bifurcation point.",
keywords = "flooding, flow resistance, topo-bathymetric LiDAR, vegetation",
author = "Keisuke Yoshida and Shiro Maeno and Shuhei Ogawa and Koji Mano and Shinya Nigo",
note = "Funding Information: This research was supported in part by the Electric Technology Research Foundation of Chugoku and in part by the Takahashi Industrial and Economic Research Foundation. This work was also supported in part by the Wesco Scientific Promotion Foundation and by JSPS KAKENHI Grant No. 18K04370. The authors appreciate the Chugoku Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism for offering all observation data measured at hydraulic stations along the Asahi River and Hyakken River. Funding Information: This research was supported in part by the Electric Technology Research Foundation of Chugoku and in part by the Takahashi Industrial and Economic Research Foundation. This work was also supported in part by the Wesco Scientific Promotion Foundation and by JSPS KAKENHI Grant No. 18K04370. The authors appreciate the Chugoku Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism for offering all observation data measured at hydraulic stations along the Asahi River and Hyakken River. Publisher Copyright: {\textcopyright} 2019 The Authors. Journal of Flood Risk Management published by Chartered Institution of Water and Environmental Management and John Wiley & Sons Ltd.",
year = "2020",
month = mar,
day = "1",
doi = "10.1111/jfr3.12584",
language = "English",
volume = "13",
journal = "Journal of Flood Risk Management",
issn = "1753-318X",
publisher = "Blackwell Publishing",
number = "1",
}