Articles | Volume 12, issue 23
https://doi.org/10.5194/bg-12-7107-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-12-7107-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
08 Dec 2015
Research article |
| 08 Dec 2015
Ocean dynamic processes causing spatially heterogeneous distribution of sedimentary caesium-137 massively released from the Fukushima Daiichi Nuclear Power Plant
H. Higashi
CORRESPONDING AUTHOR
Center for Regional Environmental Research, National Institute for Environmental Studies, Tsukuba, Japan
Y. Morino
Center for Regional Environmental Research, National Institute for Environmental Studies, Tsukuba, Japan
N. Furuichi
Center for Regional Environmental Research, National Institute for Environmental Studies, Tsukuba, Japan
T. Ohara
Center for Regional Environmental Research, National Institute for Environmental Studies, Tsukuba, Japan
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Cited
18 citations as recorded by crossref.
- Distribution, dynamics, and fate of radiocesium derived from FDNPP accident in the ocean S. Otosaka et al. https://doi.org/10.1080/00223131.2021.1994480
- SPECIFICITY OF OCEANIC CURRENT AND WATER MASS OFF THE EASTERN HOKKAIDO, JAPAN, IN THE SUMMER AND AUTUMN 2021 WHEN THE HARMFUL ALGAL BLOOM OCCURRED H. HIGASHI & S. NAKADA https://doi.org/10.2208/kaigan.78.2_I_823
- Modeling the growth of the cultivated seaweed Undaria pinnatifida under climate change scenarios in the Seto Inland Sea, Japan G. Onitsuka et al. https://doi.org/10.1007/s10811-024-03291-1
- Decline in radiocesium in seafloor sediments off Fukushima and nearby prefectures M. Kusakabe et al. https://doi.org/10.1007/s10872-017-0440-2
- Migration processes of radioactive cesium in the Fukushima nearshore area: Impacts of riverine input and resuspension T. Misonou et al. https://doi.org/10.1016/j.marpolbul.2022.113597
- Three-dimensional Modelling of Radionuclides Dispersion in a Marine Environment with Application to the Fukushima Dai-ichi Case V. Bacchi & P. Tassi https://doi.org/10.1007/s10666-018-9614-6
- The inclusion of ocean-current effects in a tidal-current model as forcing in the convection term and its application to the mesoscale fate of CO2 seeping from the seafloor R. Sakaizawa et al. https://doi.org/10.1016/j.ocemod.2018.01.001
- Visualization of radiocesium distribution in surface layer of seafloor around Fukushima Daiichi Nuclear Power Plant Y. Sanada et al. https://doi.org/10.1038/s41598-021-02646-9
- Macrozoobenthos of the Samegawa River (Iwaki, Fukushima Prefecture) and the Momiya River (Hitachi, Ibaraki Prefecture) tidalflats, Japan: Diversity shifts following the 2011 earthquake and effects of ongoing restoration works G. KANAYA et al. https://doi.org/10.5179/benthos.73.84
- Temporal variability of 137Cs concentrations in coastal sediments off Fukushima S. Suzuki et al. https://doi.org/10.1016/j.scitotenv.2022.154670
- Temporal variation of cesium isotope concentrations and atom ratios in zooplankton in the Pacific off the east coast of Japan T. Ikenoue et al. https://doi.org/10.1038/srep39874
- The effects of sediment transport on temporal variation in radiocesium concentrations in very shallow water off the southern coast of Fukushima, Japan A. Matsumoto et al. https://doi.org/10.1016/j.jenvrad.2017.12.016
- Temporal Changes in 137Cs Concentrations in Fish, Sediments, And Seawater off Fukushima Japan C. Wang et al. https://doi.org/10.1021/acs.est.8b03294
- Modeling the impact of extreme weather events and future climate on the radiologically contaminated sites of Enewetak Atoll L. Premathilake et al. https://doi.org/10.1038/s41598-025-85849-8
- Migration of radioactivity in multi-fraction sediments V. Maderich et al. https://doi.org/10.1007/s10652-017-9545-9
- Long-term simulation of 137Cs behavior in the ocean around Fukushima considering multiphase interaction processes T. Ikenoue et al. https://doi.org/10.1016/j.marpolbul.2026.120110
- Marine radionuclide transport modelling: Recent developments, problems and challenges R. Periáñez et al. https://doi.org/10.1016/j.envsoft.2019.104523
- Cesium-137 and 137Cs/133Cs atom ratios in marine zooplankton off the east coast of Japan during 2012–2020 following the Fukushima Dai-ichi nuclear power plant accident T. Ikenoue et al. https://doi.org/10.1016/j.envpol.2022.119962
18 citations as recorded by crossref.
- Distribution, dynamics, and fate of radiocesium derived from FDNPP accident in the ocean S. Otosaka et al. https://doi.org/10.1080/00223131.2021.1994480
- SPECIFICITY OF OCEANIC CURRENT AND WATER MASS OFF THE EASTERN HOKKAIDO, JAPAN, IN THE SUMMER AND AUTUMN 2021 WHEN THE HARMFUL ALGAL BLOOM OCCURRED H. HIGASHI & S. NAKADA https://doi.org/10.2208/kaigan.78.2_I_823
- Modeling the growth of the cultivated seaweed Undaria pinnatifida under climate change scenarios in the Seto Inland Sea, Japan G. Onitsuka et al. https://doi.org/10.1007/s10811-024-03291-1
- Decline in radiocesium in seafloor sediments off Fukushima and nearby prefectures M. Kusakabe et al. https://doi.org/10.1007/s10872-017-0440-2
- Migration processes of radioactive cesium in the Fukushima nearshore area: Impacts of riverine input and resuspension T. Misonou et al. https://doi.org/10.1016/j.marpolbul.2022.113597
- Three-dimensional Modelling of Radionuclides Dispersion in a Marine Environment with Application to the Fukushima Dai-ichi Case V. Bacchi & P. Tassi https://doi.org/10.1007/s10666-018-9614-6
- The inclusion of ocean-current effects in a tidal-current model as forcing in the convection term and its application to the mesoscale fate of CO2 seeping from the seafloor R. Sakaizawa et al. https://doi.org/10.1016/j.ocemod.2018.01.001
- Visualization of radiocesium distribution in surface layer of seafloor around Fukushima Daiichi Nuclear Power Plant Y. Sanada et al. https://doi.org/10.1038/s41598-021-02646-9
- Macrozoobenthos of the Samegawa River (Iwaki, Fukushima Prefecture) and the Momiya River (Hitachi, Ibaraki Prefecture) tidalflats, Japan: Diversity shifts following the 2011 earthquake and effects of ongoing restoration works G. KANAYA et al. https://doi.org/10.5179/benthos.73.84
- Temporal variability of 137Cs concentrations in coastal sediments off Fukushima S. Suzuki et al. https://doi.org/10.1016/j.scitotenv.2022.154670
- Temporal variation of cesium isotope concentrations and atom ratios in zooplankton in the Pacific off the east coast of Japan T. Ikenoue et al. https://doi.org/10.1038/srep39874
- The effects of sediment transport on temporal variation in radiocesium concentrations in very shallow water off the southern coast of Fukushima, Japan A. Matsumoto et al. https://doi.org/10.1016/j.jenvrad.2017.12.016
- Temporal Changes in 137Cs Concentrations in Fish, Sediments, And Seawater off Fukushima Japan C. Wang et al. https://doi.org/10.1021/acs.est.8b03294
- Modeling the impact of extreme weather events and future climate on the radiologically contaminated sites of Enewetak Atoll L. Premathilake et al. https://doi.org/10.1038/s41598-025-85849-8
- Migration of radioactivity in multi-fraction sediments V. Maderich et al. https://doi.org/10.1007/s10652-017-9545-9
- Long-term simulation of 137Cs behavior in the ocean around Fukushima considering multiphase interaction processes T. Ikenoue et al. https://doi.org/10.1016/j.marpolbul.2026.120110
- Marine radionuclide transport modelling: Recent developments, problems and challenges R. Periáñez et al. https://doi.org/10.1016/j.envsoft.2019.104523
- Cesium-137 and 137Cs/133Cs atom ratios in marine zooplankton off the east coast of Japan during 2012–2020 following the Fukushima Dai-ichi nuclear power plant accident T. Ikenoue et al. https://doi.org/10.1016/j.envpol.2022.119962
Saved (final revised paper)
Latest update: 23 Sep 2026
Short summary
We elucidated ocean dynamic processes causing spatially-heterogeneous sedimentary radiocaesium-137 distribution in and around the shelf off Fukushima and adjacent prefectures on the basis of numerical simulation. Our result suggests that accumulation of sedimentary radiocaesium-137 in a swath just offshore of shelf break results from spatiotemporal variation of bottom friction occurred via a periodic spring tide about every 2 weeks and via occasional strong wind.
We elucidated ocean dynamic processes causing spatially-heterogeneous sedimentary...
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