The DOI matches its Crossref record; 114 of the 118 references it cites were found in a registry or an index.
Re-construction and updating our understanding on the global weapons tests 137Cs fallout
Abstract
Global nuclear weapons tests fallout of 137Cs in the northern hemisphere has been documented in the UNSCEAR (United Nations Scientific Committee on the Effect of Atomic Radiation) reports. However, many questions have arisen during the past three to four decades; e.g. the water column inventory of 137Cs in the North Pacific Ocean was two to three time higher than the cumulative decay corrected fallout at the same latitude as stated in the UNSCEAR reports. Here we show more precise spatial distribution of global 137Cs fallout primarily on the basis of global measurements in rain, seawater and soil, as data from 10 degrees x 10 degrees grids. A typical feature of geographical distribution is that two high global 137Cs fallout areas exist in the northern hemisphere, where the highest 137Cs fallout was observed in the globe. These areas correspond to crossovers of areas where larger precipitation amounts were expected and where higher stratosphere-troposphere exchange was expected. Our new estimate of 765 +/- 79 PBq as global 137Cs fallout for the northern hemisphere is 1.4 times higher than that of 545 PBq in the UNSCEAR reports.
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“The small particles of radioactive debris from nuclear explosions (global fallout) were injected into the stratosphere where they circulate globally and re-entry from the troposphere to the Earth's surface being deposited worldwide (Ritchie and McHenry, 1990;Aoyama et al., 2006).”
From When did the Anthropocene begin? A mid-twentieth century boundary level is stratigraphically optimal (2015) · cites this paper as Aoyama et al., 2006
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Metadata
- Authors
- Aoyama, M., Hirose, K., & Igarashi, Y.
- Affiliations
- Meteorological Research Institute (JP)
- Corresponding author
- Aoyama, Michio
- Venue
- Journal of Environmental Monitoring
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2006
- Volume
- 8
- Issue
- 4
- Pages
- 431
- ISSN
- 1464-0325 (ISSN-L)
- 1464-0333
- OpenAlex
- W2056471352
- Cited by
- 234
- References
- 118
- Citations by year
- 2026: 9 · 2025: 9 · 2024: 8 · 2023: 22 · 2022: 16 · 2021: 13 · 2020: 12 · 2019: 15 · 2018: 16 · 2017: 11 · 2016: 7 · 2015: 9 · 2014: 9 · 2013: 12 · 2012: 12
- FWCI
- 7.09
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Environmental Monitoring (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Environmental Science › Pollution › Radioactive contamination and transfer
- Social Sciences › Political Science and International Relations › Nuclear Issues and Defense
- Physical Sciences › Physics and Astronomy › Radiation › Radioactivity and Radon Measurements
- Keywords
- cesium-137, nuclear test fallout, Northern Hemisphere, precipitation, stratosphere-troposphere exchange, soil contamination
- MeSH terms
- Cesium Radioisotopes, Nuclear Warfare, Radioactive Pollutants, Uncertainty
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