Born in Tokyo in 1958. （Engaged in research on infrastructure and social security at Mitsubishi Research Institute, Inc. During his first few years with the company, he was involved in projects related to flood control, and was trained by many experts on river systems at the time to think about the national land on a 100- to 1,000-year scale. He is currently an advisor to Mitsubishi Research Institute, Inc. He is also an auditor of Jumonji Gakuen Educational Corporation and a part-time lecturer at Tokyo City University. Coauthor of "Introduction to Infrastructure," "New Strategies from the Common Domain," and "Forty Years After Retirement. D. in Engineering.
5.6Tue 2025
Reading Tokuji Chiba's "Hageyama no Kenkyu" (Study of Hageyama), a famous book discussing local forest overuse and its historical background (Part 1)
We know that when forests are disturbed, the water retention capacity of mountain areas is reduced and large amounts of sediment are washed downstream, forming overhead rivers and deepening harbors at the mouths of rivers [...].
