Updated Log
- 2026/01/16
- Base Information Q&A Site Updated
- #01. How does cesium adsorb onto clay minerals?
- #01. Why does mica in soil strongly adsorb radioactive cesium?
- #02. How is radiation exposure evaluated based on residents’ daily life patterns?
- #03. How does radiocesium leach from forest leaf litter and humus into water?
- #03. How much radioactive cesium is contained in leaf litter in the forests of Fukushima Prefecture?
- #03. Is there an efficient method for measuring the radiocesium concentration in broadleaf trees used as mushroom bed logs?
- #04. What environmental factors influence the seasonal and long-term changes in radiocesium (137Cs) concentrations in rivers?
- #04. Why does the concentration of radiocaesium (¹³⁷Cs) Csin coastal seafloor surface sediments vary by location and time?
- #06. If I eat Japanese flounder caught in coastal waters off Fukushima, is there any impact from tritium in ALPS-treated water?
【2025】
- 2025/04/01
- Fukushima Environmental Data and Knowledge Base (Base Information Q&A Site) has transferred to F-REI from the Japan Atomic Energy Agency
【2024】
- 2024/07/12
- Base Information Q&A Site Updated
- #02. Is there any chance that decontaminated areas may be contaminated again, increasing the air dose rates?
- #02. When soil generated by decontamination is stored in containers for a long time, is there any possibility that the soil may leak from the containers?
- #02. Is it possible for agricultural produce to be bred in areas where soil generated by decontamination was stored temporarily (former temporary storage sites), and will it be safe?
- #03. How is it considered that radioactive cesium-137 (137Cs) concentrations on the forest surface (forest floor) in Fukushima prefecture will change in the future?
- #03. Did low-dose radiation exposure in Fukushima prefecture affect de novo mutations of the next generation of trees?
- 2024/06/26
- Base Information Q&A Site Updated
- 2024/05/25
- Base Information Q&A Site Updated
- 2024/05/15
- Base Information Q&A Site Updated
- #02. What efforts are you making to release the difficult-to-return zones where residents can feel safe?
- #04. Does defoliation of forests affect the concentration of cesium dissolved in river water?
- #04. How is radioactive cesium deposited on land expected to move in the future?
- #04. Wouldn't radioactive cesium accumulated at the bottom of lakes, dams, etc. dissolve and affect the ecosystem and farming operations downstream?
- #04. How extent does radiocesium flowing in from rivers affect the coastal environment?
- 2024/04/25
- Base Information Q&A Site Updated
- 2024/04/19
- Base Information Q&A Site Updated
- 2024/01/26
- Base Information Q&A Site Updated
【2023】
- 2023/03/31
- Base Information Q&A Site Updated
- 2023/02/22
- Base Information Q&A Site Updated
【2022】
- 2022/09/30
- Base Information Q&A Site Updated
- 2022/03/18
- Base Information Q&A Site Updated
- 2022/02/15
- Base Information Q&A Site Updated
【2021】
- 2021/10/01
- Base Information Q&A Site Renewal release
- 2021/10/01
- Database for Radioactive Substance Monitoring Data Renewal release
- 2021/03/31
- Base Information Q&A Site（Japanese） Renewal release
- 2021/03/31
- Database for Radioactive Substance Monitoring Data Open test