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| Title | Data underlying “Apparent density distribution of radioactive cesium-rich microparticles in soils contaminated by the Fukushima Daiichi Nuclear Power Plant accident” | |
|---|---|---|
| Author 1 | Koyo Takeuchi | |
| Author 2 | Shinya Yamasaki | |
| Author 3 | Yudai Shigekawa | |
| Author 4 | Yuichi Takaku | |
| Authors 5- | Aya Sakaguchi, Satoshi Utsunomiya | |
| Subject | Chemistry | |
| Subject_sub1 | Land Surface | |
| Subject_sub2 | ||
| Abstract | This dataset contains the numerical data underlying the manuscript “Apparent density distribution of radioactive cesium-rich microparticles in soils contaminated by the Fukushima Daiichi Nuclear Power Plant accident.” It includes sampling information for surface soils collected at Ottozawa and Omaru in Fukushima Prefecture, Japan; autoradiography calibration data used for CsMP classification and activity quantification; CsMP counts and particle proportions for density fractions obtained by gravitational separation using sodium polytungstate solutions; gravimetric measurements of the heavy-liquid solutions; and numerical data used for settling-time calculations, ideal-mixture density calculations, closed-void and composition sensitivity analyses, and atmospheric settling and aerodynamic-diameter calculations. The apparent density distributions of CsMPs were determined from particle counts in the separated density fractions. The detected CsMPs were distributed predominantly around 2.4 g cｍ－3 at both sampling sites. This dataset is provided to support reproducibility and further quantitative analyses of the physical properties, transport, and deposition behavior of Fukushima-derived CsMPs. | |
| Temporal coverage | 2024-09-09 to 2024-09-10 | |
| Spatial coverage | Ottozawa and Omaru, Fukushima Prefecture, Japan (Ottozawa: 37.40706°N, 141.031915°E; Omaru: 37.464946°N, 140.927871°E) | |
| File format | ||
| Language | English | |
| Discovery metadata record | ||
| Publisher | Center for Research in Radiation, Isotopes, and Earth System Sciences, University of Tsukuba | |
| Publication year | 2026 | |
| Publication date | 31st of August | |
| Digital Object Identifier (DOI) | 10.34355/CRiES.U.Tsukuba.00361 Data Download (40 KB) | |
| Short DOI | ||
| Citation text | Takeuchi, K., Yamasaki, S., Shigekawa, Y., Takaku, Y., Sakaguchi, A., & Utsunomiya, S. (2026). Data underlying “Apparent density distribution of radioactive cesium-rich microparticles in soils contaminated by the Fukushima Daiichi Nuclear Power Plant accident” [Dataset]. Center for Research in Radiation, Isotopes, and Earth System Sciences, University of Tsukuba. https://doi.org/10.34355/CriES.U.Tsukuba.00361 | |
| Serial at center | 00361 | |
| Serial at each Univ./Institute | TSUK0076 | |
| Key word 1 | radioactive cesium-rich microparticles (CsMPs) | |
| Key word 2 | Fukushima Daiichi Nuclear Power Plant accident | |
| Key word 3 | apparent density | |
| Key word 4 | gravitational separation | |
| Key word 5 | autoradiography | |
| Remarks | ||