Research theme for competitive and other funds (1)：
2011 - 2016 Prediction of catchment runoff changes based on characterizing a nested structure consisting of the developments of topography, soil and vegetation
Papers (25)：
OKADA Yasuhiko, CAI Fei, KUROKAWA Ushio. Changes in slope stability over the growth and decay of Japanese cedar tree roots. Forests. 2023. 14. 2. 257
Haruka Tsunetaka, Slim Mtibaa, Shiho Asano, Takashi Okamoto, Ushio Kurokawa. Comparison of length and dynamics of wood pieces in streams covered with coniferous and broadleaf forests mapped using orthophotos acquired by an unmanned aerial vehicle. Progress in Earth and Planetary Science. 2021. 8. 1
