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| Title | Historical Dataset of Sea Water and Marine Sediment Radioactivity around the Kashiwazaki-Kariwa Nuclear Power Plant (1983-1988) - Part of the long-term environmental monitoring program initiated in 1983. | |
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| Author 1 | Niigata Prefecture | |
| Author 2 | ||
| Author 3 | ||
| Author 4 | ||
| Authors 5- | ||
| Subject | Oceans | |
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| Subject_sub2 | ||
| Abstract | This dataset contains 56 records of radionuclide concentrations measured in environmental samples collected around the Kashiwazaki-Kariwa Nuclear Power Plant. These data were obtained as part of a long-term environmental monitoring program designed to assess the impacts of the nuclear power plant on the surrounding marine and terrestrial environments. The monitoring program, initiated in 1983, has been conducted continuously up to the present. | |
| Temporal coverage | May 1983 - March 1988 | |
| Spatial coverage | 37.22 N ~ 37.31 N, 138.17 E ~ 138.39 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 | 18th of January | |
| Digital Object Identifier (DOI) | 10.34355/Niigata.Pref.IERM.00323 Data Download (12 KB) | |
| Short DOI | ||
| Citation text | Niigata Prefecture. (2026). Historical Dataset of Sea Water and Marine Sediment Radioactivity around the Kashiwazaki-Kariwa Nuclear Power Plant (1983-1988) - Part of the long-term environmental monitoring program initiated in 1983. [Dataset]. Center for Research in Radiation, Isotopes, and Earth System Sciences, University of Tsukuba. https://doi.org/10.34355/Niigata.Pref.IERM.00323 | |
| Serial at center | 00323 | |
| Serial at each Univ./Institute | NIIG0002 | |
| Key word 1 | environmental radiation monitoring result | |
| Key word 2 | Kashiwazaki-Kariwa Nuclear Power Plant | |
| Remarks | All radionuclide activity values are presented with two significant figures, with rounding applied to the third significant figure. Measurements below the detection limit are indicated by “*”, while nuclides that were not analyzed are marked with “–”. The original measurements were recorded in picocuries (pCi), which were commonly used at the time of data acquisition; for consistency with current international standards, all values have been converted to becquerels (Bq). Please note that some older records may include limited metadata or reflect analytical methods available at the time of measurement. | |