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TitleHistorical Dataset of Airborne dust and Fallout Radioactivity around the Kashiwazaki-Kariwa Nuclear Power Plant (1983–1988) - Part of the long-term environmental monitoring program initiated in 1983.
Author 1Niigata Prefecture
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SubjectAtmosphere
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AbstractThis dataset contains 216 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 coverageOctober 1983 - March 1988
Spatial coverage37.37N~37.43N, 138.56E~138.62E
File format 
LanguageEnglish
Discovery metadata record 
PublisherCRiES (Center for Research in Radiation, Isotopes, and Earth System Sciences), University of Tsukuba
Publication year2026
Publication date19th of October
Digital Object Identifier (DOI)10.34355/Niigata.Pref.IERM.00364 Data Download (15 KB)
Short DOI 
Citation textNiigata Prefecture. (2026). Historical Dataset of Airborne dust and Fallout 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.00364
Serial at center00364
Serial at each Univ./InstituteNIIG0003
Key word 1environmental radiation monitoring result
Key word 2Kashiwazaki-Kariwa Nuclear Power Plant
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RemarksAll 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.

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