HAYASHI Seiji
Updated:
Affiliation
Regional Environmental Co-Creation Unit （Collection and dissemination of data and knowledge on nuclear disasters）
Position
Unit Leader
Final Education
Doctoral Program, Graduate School of Engineering, Tohoku University, Department of Civil Engineering
Degree(s)
Ph.D. (Engineering)
Research Keywords
Environmental Radioactivity, Climate Change Adaptation, Environmental Models, Material Cycles, Environmental Assessment
Research Area
Environmental Engineering, Environmental Analysis, Environmental Conservation, Environmental Revitalization, Social and Safety Systems Science
External Link
Academic Affiliations
- Japan Society of Civil Engineers
- Japan Society of Water Environment
- Japan Society of Limnology
Member of Committees for National Policies
- Member of FY2025 Radioactive Material Monitoring and Evaluation Review Committee
- FY2025 Evaluation Review Committee on Constant Monitoring of Radioactive Materials in the Water Environment
- Member of the FY2025 Marine Radioactivity Review Committee
Advisor/Committee Member for Local Governments
- FY2025 Iitate Village Environmental Restoration Review Committee Member
Peer-Reviewed Papers
- Tsuji H., Nishikiori T., Ito S., Ozaki H., Watanabe M., Sakai M., Ishii Y., Hayashi S, Response of 137Cs dynamics in dam lakes to temperature and weather conditions, Environmental Pollution, 378: 126445, (2025).
- Vandromme R., Hayashi S., Tsuji H., Evrard O., Grangeon T., Landemaine V., Laceby J. P., Wakiyama Y., Cerdan O, Effectiveness of an unprecedented decontamination programme on river sediment and radioactive contaminant fluxes, PNAS Environmental Sciences, 120 (43) e2301811120, (2023).
- Hayashi S., Tsuji H., Ishii, Y, Effects of forest litter on dissolved 137Cs concentrations in a highly contaminated mountain river in Fukushima. Journal of Hydrology: Regional Studies, 41:101099, (2022).
Books
- Seiwa K., Hayashi Seiji, "4.5 Needle-wide hybridization and composting utilization of cedar plantations: Promoting carbon fixation and reducing environmental impact," Nakai, H., Ito, T., Omura, M., and Katsuro (eds.), "Compost Science: The Frontier of Research in the Environmental Era," Tohoku University Press, 117-126, (2015)
- Hayashi, Seiji, "Grasping the Actual Situation of Red Soil Runoff: Chapter 4: Knowing the Region," Masayuki Gonda, Naoko Fukayama, and Hiroya Yamano, eds., "People and Nature on Kume Island: Environmental Conservation Activities on a Small Island," Tsukiji Shokan, 65-66, (2015)
- Hayashi, Seiji, "The Impact of the Nuclear Power Plant Accident on the Water Environment" (Public Works), Japan Society for Water Environment, ed., Encyclopedia of Water Environment, Asakura Shoten, 352-355, (2021)
Lectures / Oral Presentations, etc.
- Hayashi S., Tsuji H., Ishii Y., Ohara T, Current status of radioactive environmental pollution in Fukushima, The 14th International Symposium on Persistent Toxic Substances, Nagoya, 2017. 9.26
- Hayashi S, Characteristics of radiocesium contamination in river catchments after the Fukushima accident and reformation of water environmental monitoring. International Atomic Energy Agency, Technical Meeting on Communication on Low-Dose Radiation – the Role of Science, Technology and Society, Fukushima, 2019. 5.22
- Hayashi S., Tsuji H, How the forested areas have worked to radiocesium migration in a river system after the Fukushima nuclear accident, 7th Asia-Pacific Symposium on Radiochemistry 2025 (APSORC25), Matsue, 2025. 9.18
No information.
No information.