TSUJI Hideki

Researcher Name: TSUJI Hideki

Div (Section) name/title: Fukushima Regional Collaborative Research Center (FRECC)(Environmental Impact Assessment Section)/Senior Researcher

Research Subject: Radiocesium behavior in river water and dam lake

Degree(s): Doctor of Agriculture

Professional Qualification(s): Agricultural Science

Environmental Speciality Field: Hydrology,Radiochemistry,Water environment

Research Subject

Fiscal Year: 2025
- 27226 : Research of environmental impacts and management in the disaster areas of Fukushima
- 27229 : Studies for emergence of regional resources and systems at Hama-dori, Fukushima, lifted the evacuation instruction
- 27233 : Research on evaluation and clarification of effects and mechanisms of climate change
- 27234 : Research on Advancement of Climate Change Impact Assessment Methodology
- 27247 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
- 27363 : Intellectual research infrastructure development:Systematic monitoring, development of information on impact prediction and adaptation, and development of tools in the field of climate change adaptation
Fiscal Year: 2024
- 26843 : Research of environmental impacts and management in the disaster areas of Fukushima
- 26845 : Studies for emergence of regional resources and systems at Hama-dori, Fukushima, lifted the evacuation instruction
- 26848 : Research on evaluation and clarification of effects and mechanisms of climate change
- 26849 : Research on Advancement of Climate Change Impact Assessment Methodology
- 26864 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
- 26899 : Monitoring the dynamics of radiocesium in a multi-media environment
- 27100 : Intellectual research infrastructure development:Systematic monitoring, development of information on impact prediction and adaptation, and development of tools in the field of climate change adaptation
- 27114 : Formation mechanism of 137Cs concentration in river water at the boundary area between forest and agricultural lands
Fiscal Year: 2023
- 26430 : Research of environmental impacts and management in the disaster areas of Fukushima
- 26432 : Studies for emergence of regional resources and systems at Hama-dori, Fukushima, lifted the evacuation instruction
- 26435 : Research on evaluation and clarification of effects and mechanisms of climate change
- 26436 : Research on Advancement of Climate Change Impact Assessment Methodology
- 26453 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
- 26627 : Monitoring the dynamics of radiocesium in a multi-media environment
- 26736 : Intellectual research infrastructure development:Systematic monitoring, development of information on impact prediction and adaptation, and development of tools in the field of climate change adaptation
Fiscal Year: 2022
- 25995 : Research of environmental impacts and management in the disaster areas of Fukushima
- 25997 : Studies for emergence of regional resources and systems at Hama-dori, Fukushima, lifted the evacuation instruction
- 26001 : Research on evaluation and clarification of effects and mechanisms of climate change
- 26002 : Research on Advancement of Climate Change Impact Assessment Methodology
- 26010 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
- 26035 : Monitoring the dynamics of radiocesium in a multi-media environment
- 26293 : Intellectual research infrastructure development:Systematic monitoring, development of information on impact prediction and adaptation, and development of tools in the field of climate change adaptation
Fiscal Year: 2021
- 25527 : Research of environmental impacts and management in the disaster areas of Fukushima
- 25529 : Studies for emergence of regional resources and systems at Hama-dori, Fukushima, lifted the evacuation instruction
- 25535 : Research on evaluation and clarification of effects and mechanisms of climate change
- 25536 : Research on Advancement of Climate Change Impact Assessment Methodology
- 25674 : Intellectual research infrastructure development:Systematic monitoring, development of information on impact prediction and adaptation, and development of tools in the field of climate change adaptation
- 25713 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
- 25766 : Monitoring the dynamics of radiocesium in a multi-media environment
Fiscal Year: 2020
- 25153 : Analysis and prediction of radioactive substances behavior in multimedia environment
- 25327 : Studies on Advancing the Methods for Climate Change Impacts Assessment
- 25399 : Development of a next-generation evaluation method for bioavailability of various ions in environmental media in the agricultural and environmental fields
Fiscal Year: 2019
- 24734 : Analysis and prediction of radioactive substances behavior in multimedia environment
- 24975 : Studies on Advancing the Methods for Climate Change Impacts Assessment
- 25074 : Development of a next-generation evaluation method for bioavailability of various ions in environmental media in the agricultural and environmental fields
Fiscal Year: 2018
- 24326 : Analysis and Prediction of Radioactive Substances Behavior in Multimedia Environment
- 24572 : Strategic research on monitoring and countermeasures for environmental radioactive material pollution using a backcasting approach
- 24591 : Behavior and balance of radiocesium in dam reservoir water
- 24592 : Evaluation of radiocesium discharge characteristics and construction of risk management strategy by region for decontamination and repatriation
- 24593 : Influence of storage environment of water sample on
Fiscal Year: 2017
- 23866 : Analysis and Prediction of Radioactive Substances Behavior in Multimedia Environment
- 24050 : Strategic research on monitoring and countermeasures for environmental radioactive material pollution using a backcasting approach
Fiscal Year: 2016
- 23429 : Analysis and Prediction of Radioactive Substances Behavior in Multimedia Environment
- 23636 : Strategic research on monitoring and countermeasures for environmental radioactive material pollution using a backcasting approach
Fiscal Year: 2015
- 23036 : Environmental Recovery Research Program
Fiscal Year: 2014
- 22647 : Environmental Recovery Research Program

Research Result (Publication)

all
Original Paper
Review
Book
Other Publications

Original Paper
Response of 137Cs dynamics in dam lakes to temperature and weather conditions

Presenter : Tsuji H., Nishikiori T., Ito S., Ozaki H., Watanabe Mirai., Sakai M., Ishii Y., Hayashi S.
Title : , Environmental Pollution, 378(1): (2025)
Original Paper
Exploring simple ways to avoid collecting highly 137Cs-contaminated Aralia elata buds for the revival of local wild vegetable cultures

Presenter : Sakai M., Watanabe Mirai., Koshikawa-K.m., Tanaka A., Takahashi A., Takechi S., Takagi M., Tsuji T., Tsuji H., Takeda T., Jo J., Tamaoki M., Hayashi S.
Title : , PLOS ONE, 19(4):e0292206 (2024)
Original Paper
Impacts of farmland decontamination on 137Cs transfers in rivers after Fukushima nuclear accident: Evidence from a retrospective sediment core study

Presenter : Chalaux-Clergue T., Foucher A., Chaboche P.A., Hayashi S., Tsuji H., Wakiyama Y., Huon S., Vandromme R. , Cerdan O., Nakano A.
Title : , Science of the Total Environment, 947: (2024)
Original Paper
Influential factors of long-term and seasonal 137Cs change in agricultural and forested rivers: Temperature, water quality and an intense Typhoon Event

Presenter : Tsuji H., Nishikiori T., Ito S., Ozaki H., Watanabe Mirai., Sakai M., Ishii Y., Hayashi S.
Title : , Environmental Pollution (2023)
Original Paper
Lessons learnt on the impact of an unprecedented soil decontamination program in Fukushima on contaminant fluxes

Presenter : Vandromme R., Hayashi S., Tsuji H., Evrard O., Grangeon T., Landemaine V., Laceby J.P., Wakiyama Y., Olivier C.
Title : , PNAS, 120(43): (2023)
Original Paper
Remobilisation of radiocaesium from bottom sediments to water column in reservoirs in Fukushima, Japan

Presenter : Funaki H., Tsuji H., Nakanishi T., Yoshimura K., Sakuma K., Hayashi S.
Title : , Science of the Total Environment, 812: (2022)
Original Paper
Effects of temperature and oxygen on 137Cs desorption from bottom sediment of a dam lake

Presenter : Tsuji H., Funaki H., Watanabe Mirai., Hayashi S.
Title : , Applied Geochemistry (2022)
Original Paper
Effects of forest litter on dissolved 137Cs concentrations in a highly contaminated mountain river in Fukushima

Presenter : Hayashi S., Tsuji H., Ishii Y.
Title : , Journal of Hydrology: Regional Studies, 41(101099): (2022)
Original Paper
Radiocesium-bearing microparticles cause a large variation in 137Cs activity concentration in the aquatic insect Stenopsyche marmorata (Tricoptera: Stenopsychidae) in the Ota River, Fukushima, Japan

Presenter : Ishii Y., Miura H., Jo J., Tsuji H., Saito R., Koarai K., Hagiwara H., Urushidate T., Nishikiori T., Wada T., Hayashi S., Takahashi Y.
Title : , PLOS ONE, 17(5):e0268629 (2022)
Original Paper
Watershed-Geochemical Model to Simulate Dissolved and Particulate 137Cs Discharge From a Forested Catchment

Presenter : Sakuma K., Hayashi S., Yoshimura K., Kurikami H., Mallins A., Funaki H., Tsuji H., Kobayashi T. , Kitamura A., Iijima K.
Title : , Water Resources Research, 58(8): (2022)
Original Paper
Contrasting seasonality of 137Cs concentrations in two stream animals that share a trophic niche

Presenter : Sakai M., Ishii Y., Tsuji H., Tanaka A., Jo J., Negishi J.N., Hayashi S.
Title : , Environmental Pollution, (120474): (2022)
Original Paper
Role and Effect of a Dam on Migration of Radioactive Cesium in a River Catchment after the Fukushima Daiichi Nuclear Power Plant Accident

Presenter : Hayashi S., Tsuji H.
Title : , Global Environmental Research, 24(2):105-113 (2021)
Review
Untangling radiocesium dynamics of forest-stream ecosystems: A review of Fukushima studies in the decade after the accident

Presenter : Sakai M., Tsuji H., Ishii Y., Ozaki H., Takechi S., Jo J., Tamaoki M., Hayashi S., Gomi T.
Title : , Environmental Pollution, 288(117744): (2021)
Book
Inflow/Outflow of Radiocesium in a Dam Lake and Its Accumulation in Sediments

Presenter : Tsuji H., Kohzu A., Sato T., Hayashi S.
Title : , Impacts of Fukushima Nuclear Accident on Freshwater Environments (2021)
Book
Spatial and Temporal Changes of 137Cs Concentrations in River Waters and Correlation with the Radiocesium Inventory in Fukushima and Adjacent Areas

Presenter : Ochiai S., Ueda S., Nagao S., Tsuji H., Tomihara S., Watanabe S., Suzuki K.
Title : , Impacts of Fukushima Nuclear Accident on Freshwater Environments (2021)
Book
Catchment and Rivers

Presenter : Onda Y., Hayashi S., Nagao S., Ishii Y., Tsuji H., Taniguchi K., Nishina K., Suzuki K., Watanabe S., Prohl G., Boyer P., Laurent G.-S.
Title : , Environmental Transfer of Radionuclides in Japan following the Accident at the Fukushima Daiichi Nuclear Power Plant (2020)
Original Paper
Dynamics of 137Cs in Water and Phyto- and Zooplankton in a Reservoir Affected by the Fukushima Daiichi Nuclear Power Plant Accident

Presenter : Tsuji H., Nakagawa M., Iijima K., Funaki H., Yoshimura K., Sakuma K., Hayashi S.
Title : , Global Environmental Research, 24(2):115-127 (2020)
Original Paper
Vertical/spatial movement and accumulation of 137Cs in a shallow lake in the initial phase after the Fukushima Daiichi nuclear power plant accident

Presenter : Tsuji H., Tanaka A., Komatsu K., Kohzu A., Matsuzaki S., Hayashi S.
Title : , Applied Radiation and Isotopes (2019)
Original Paper
Reconstruction of uranium and plutonium isotopic signatures in sediment accumulated in the Mano Dam reservoir, Japan, before and after the Fukushima nuclear accident

Presenter : Jaegler H., Pointurier F., Diez-Fernandez S., Gourgiotis A., Isnard H., Hayashi S., Tsuji H., Onda Y., Hubert A., Laceby J.P., Evrard O.
Title : , Chemosphere (2019)
Original Paper
Factors controlling dissolved 137Cs concentrations in east Japanese Rivers

Presenter : Tsuji H., Ishii Y., Shin M., Taniguchi K., Arai H., Kurihara M., Yasutaka T., Kuramoto T., Nakanishi T., Lee S., Shinano T., Onda Y., Hayashi S.
Title : , Science of The Total Environment, 697: (2019)
Original Paper
Repeatability and reproducibility of measurements of low dissolved radiocesium concentrations in freshwater using different pre‑concentration methods

Presenter : Kurihara M., Yasutaka T., Aono T., Ashikawa N., Ebina H., Iijima T., Ishimaru K. , Kanai R., Karube Z., Konnai Y., Kubota T., Maehara Y., Maeyama T., Okizawa Y., Ota H., Otosaka S., Sakaguchi A., Tagomori H., Taniguchi K., Tomita M., Tsukada H., Hayashi S., Lee S., Miyazu S., Shin M., Nakanishi T., Nishikiori T., Onda Y., Shinano T., Tsuji H.
Title : , Journal of Radioanalytical and Nuclear Chemistry, 1-9 (2019)
Original Paper
Source dynamics of radiocesium-contaminated particulate matter deposited in an agricultural water reservoir after the Fukushima nuclear accident

Presenter : Huon S., Hayashi S., Laceby J.P., Tsuji H., Onda Y., Evrard O.
Title : , Science of the Total Environment, 612:1079-1090 (2018)
Original Paper
Applicability of Kd for modelling dissolved 137Cs concentrations in Fukushima river water: Case study of the upstream Ota River

Presenter : Sakuma K., Tsuji H., Hayashi S., Funaki H., Malins A., Yoshimura K., Kitamura A., Iijima K., Hosomi M.
Title : , Journal of Environmental Radioactivity, 184-185:53-62 (2018)
Other Publications
Development of a copper-substituted, Prussian blue-impregnated, nonwoven cartridge filter to rapidly measure radiocesium concentration in seawater

Presenter : Yasutaka T., Miyazu S., Tsuji H., Arita K., Hayashi S., Takahashi A., Kawamoto T., Aoyama M.
Title : , Journal of Nuclear Science and Technology (2016)
Original Paper
Behavior of dissolved radiocesium in river water in a forested watershed in Fukushima Prefecture

Presenter : Tsuji H., Nishikiori T., Yasutaka T., Watanabe Mirai., Ito S., Hayashi S.
Title : , Journal of Geophysical Research: Biogeosciences (2016)
Original Paper
Rapid quantification of radiocesium dissolved in water by using nonwoven fabric cartridge filters impregnated with potassium zinc ferrocyanide

Presenter : Yasutaka T., Tsuji H., Kondo Y., Suzuki Y., Takahashi A., Kawamoto T.
Title : , Journal of nuclear science and technology, 52(6):792-800 (2015)

Response of 137Cs dynamics in dam lakes to temperature and weather conditions

Presenter : Tsuji H., Nishikiori T., Ito S., Ozaki H., Watanabe Mirai., Sakai M., Ishii Y., Hayashi S.
Title : , Environmental Pollution, 378(1): (2025)
Exploring simple ways to avoid collecting highly 137Cs-contaminated Aralia elata buds for the revival of local wild vegetable cultures

Presenter : Sakai M., Watanabe Mirai., Koshikawa-K.m., Tanaka A., Takahashi A., Takechi S., Takagi M., Tsuji T., Tsuji H., Takeda T., Jo J., Tamaoki M., Hayashi S.
Title : , PLOS ONE, 19(4):e0292206 (2024)
Impacts of farmland decontamination on 137Cs transfers in rivers after Fukushima nuclear accident: Evidence from a retrospective sediment core study

Presenter : Chalaux-Clergue T., Foucher A., Chaboche P.A., Hayashi S., Tsuji H., Wakiyama Y., Huon S., Vandromme R. , Cerdan O., Nakano A.
Title : , Science of the Total Environment, 947: (2024)
Influential factors of long-term and seasonal 137Cs change in agricultural and forested rivers: Temperature, water quality and an intense Typhoon Event

Presenter : Tsuji H., Nishikiori T., Ito S., Ozaki H., Watanabe Mirai., Sakai M., Ishii Y., Hayashi S.
Title : , Environmental Pollution (2023)
Lessons learnt on the impact of an unprecedented soil decontamination program in Fukushima on contaminant fluxes

Presenter : Vandromme R., Hayashi S., Tsuji H., Evrard O., Grangeon T., Landemaine V., Laceby J.P., Wakiyama Y., Olivier C.
Title : , PNAS, 120(43): (2023)
Remobilisation of radiocaesium from bottom sediments to water column in reservoirs in Fukushima, Japan

Presenter : Funaki H., Tsuji H., Nakanishi T., Yoshimura K., Sakuma K., Hayashi S.
Title : , Science of the Total Environment, 812: (2022)
Effects of temperature and oxygen on 137Cs desorption from bottom sediment of a dam lake

Presenter : Tsuji H., Funaki H., Watanabe Mirai., Hayashi S.
Title : , Applied Geochemistry (2022)
Effects of forest litter on dissolved 137Cs concentrations in a highly contaminated mountain river in Fukushima

Presenter : Hayashi S., Tsuji H., Ishii Y.
Title : , Journal of Hydrology: Regional Studies, 41(101099): (2022)
Radiocesium-bearing microparticles cause a large variation in 137Cs activity concentration in the aquatic insect Stenopsyche marmorata (Tricoptera: Stenopsychidae) in the Ota River, Fukushima, Japan

Presenter : Ishii Y., Miura H., Jo J., Tsuji H., Saito R., Koarai K., Hagiwara H., Urushidate T., Nishikiori T., Wada T., Hayashi S., Takahashi Y.
Title : , PLOS ONE, 17(5):e0268629 (2022)
Watershed-Geochemical Model to Simulate Dissolved and Particulate 137Cs Discharge From a Forested Catchment

Presenter : Sakuma K., Hayashi S., Yoshimura K., Kurikami H., Mallins A., Funaki H., Tsuji H., Kobayashi T. , Kitamura A., Iijima K.
Title : , Water Resources Research, 58(8): (2022)
Contrasting seasonality of 137Cs concentrations in two stream animals that share a trophic niche

Presenter : Sakai M., Ishii Y., Tsuji H., Tanaka A., Jo J., Negishi J.N., Hayashi S.
Title : , Environmental Pollution, (120474): (2022)
Role and Effect of a Dam on Migration of Radioactive Cesium in a River Catchment after the Fukushima Daiichi Nuclear Power Plant Accident

Presenter : Hayashi S., Tsuji H.
Title : , Global Environmental Research, 24(2):105-113 (2021)
Dynamics of 137Cs in Water and Phyto- and Zooplankton in a Reservoir Affected by the Fukushima Daiichi Nuclear Power Plant Accident

Presenter : Tsuji H., Nakagawa M., Iijima K., Funaki H., Yoshimura K., Sakuma K., Hayashi S.
Title : , Global Environmental Research, 24(2):115-127 (2020)
Vertical/spatial movement and accumulation of 137Cs in a shallow lake in the initial phase after the Fukushima Daiichi nuclear power plant accident

Presenter : Tsuji H., Tanaka A., Komatsu K., Kohzu A., Matsuzaki S., Hayashi S.
Title : , Applied Radiation and Isotopes (2019)
Reconstruction of uranium and plutonium isotopic signatures in sediment accumulated in the Mano Dam reservoir, Japan, before and after the Fukushima nuclear accident

Presenter : Jaegler H., Pointurier F., Diez-Fernandez S., Gourgiotis A., Isnard H., Hayashi S., Tsuji H., Onda Y., Hubert A., Laceby J.P., Evrard O.
Title : , Chemosphere (2019)
Factors controlling dissolved 137Cs concentrations in east Japanese Rivers

Presenter : Tsuji H., Ishii Y., Shin M., Taniguchi K., Arai H., Kurihara M., Yasutaka T., Kuramoto T., Nakanishi T., Lee S., Shinano T., Onda Y., Hayashi S.
Title : , Science of The Total Environment, 697: (2019)
Repeatability and reproducibility of measurements of low dissolved radiocesium concentrations in freshwater using different pre‑concentration methods

Presenter : Kurihara M., Yasutaka T., Aono T., Ashikawa N., Ebina H., Iijima T., Ishimaru K. , Kanai R., Karube Z., Konnai Y., Kubota T., Maehara Y., Maeyama T., Okizawa Y., Ota H., Otosaka S., Sakaguchi A., Tagomori H., Taniguchi K., Tomita M., Tsukada H., Hayashi S., Lee S., Miyazu S., Shin M., Nakanishi T., Nishikiori T., Onda Y., Shinano T., Tsuji H.
Title : , Journal of Radioanalytical and Nuclear Chemistry, 1-9 (2019)
Source dynamics of radiocesium-contaminated particulate matter deposited in an agricultural water reservoir after the Fukushima nuclear accident

Presenter : Huon S., Hayashi S., Laceby J.P., Tsuji H., Onda Y., Evrard O.
Title : , Science of the Total Environment, 612:1079-1090 (2018)
Applicability of Kd for modelling dissolved 137Cs concentrations in Fukushima river water: Case study of the upstream Ota River

Presenter : Sakuma K., Tsuji H., Hayashi S., Funaki H., Malins A., Yoshimura K., Kitamura A., Iijima K., Hosomi M.
Title : , Journal of Environmental Radioactivity, 184-185:53-62 (2018)
Behavior of dissolved radiocesium in river water in a forested watershed in Fukushima Prefecture

Presenter : Tsuji H., Nishikiori T., Yasutaka T., Watanabe Mirai., Ito S., Hayashi S.
Title : , Journal of Geophysical Research: Biogeosciences (2016)
Rapid quantification of radiocesium dissolved in water by using nonwoven fabric cartridge filters impregnated with potassium zinc ferrocyanide

Presenter : Yasutaka T., Tsuji H., Kondo Y., Suzuki Y., Takahashi A., Kawamoto T.
Title : , Journal of nuclear science and technology, 52(6):792-800 (2015)

Untangling radiocesium dynamics of forest-stream ecosystems: A review of Fukushima studies in the decade after the accident

Presenter : Sakai M., Tsuji H., Ishii Y., Ozaki H., Takechi S., Jo J., Tamaoki M., Hayashi S., Gomi T.
Title : , Environmental Pollution, 288(117744): (2021)

Inflow/Outflow of Radiocesium in a Dam Lake and Its Accumulation in Sediments

Presenter : Tsuji H., Kohzu A., Sato T., Hayashi S.
Title : , Impacts of Fukushima Nuclear Accident on Freshwater Environments (2021)
Spatial and Temporal Changes of 137Cs Concentrations in River Waters and Correlation with the Radiocesium Inventory in Fukushima and Adjacent Areas

Presenter : Ochiai S., Ueda S., Nagao S., Tsuji H., Tomihara S., Watanabe S., Suzuki K.
Title : , Impacts of Fukushima Nuclear Accident on Freshwater Environments (2021)
Catchment and Rivers

Presenter : Onda Y., Hayashi S., Nagao S., Ishii Y., Tsuji H., Taniguchi K., Nishina K., Suzuki K., Watanabe S., Prohl G., Boyer P., Laurent G.-S.
Title : , Environmental Transfer of Radionuclides in Japan following the Accident at the Fukushima Daiichi Nuclear Power Plant (2020)

Development of a copper-substituted, Prussian blue-impregnated, nonwoven cartridge filter to rapidly measure radiocesium concentration in seawater

Presenter : Yasutaka T., Miyazu S., Tsuji H., Arita K., Hayashi S., Takahashi A., Kawamoto T., Aoyama M.
Title : , Journal of Nuclear Science and Technology (2016)

Research Result (Presentation)

all
Research Presentation
Research Lecture

Research Lecture
How the forested areas have worked to radiocesium migration in a river system after the Fukushima nuclear accident

Presenter : Hayashi S., Tsuji H.
Name of Society : 7th Asia-Pacific Symposium on Radiochemistry (APSORC25) (2025)
Name of Proceedings : Abstracts
Lake matrix and data

Presenter : Tsuji H., Ishii Y., Hayashi S.
Name of Society : 3rd all WG6 touch-base meeting, Methods for Radiological Environmental Impact Assessment (2024)
Name of Proceedings : -
Research Presentation
Effect of 137Cs desorption from sediment on the formation of dissolved 137Cs in dam discharge water

Presenter : Tsuji H., Funaki H., Hayashi S.
Name of Society : European Geosciences Union General Assembly 2024 (2024)
Name of Proceedings : Abstracts
Research Presentation
Assessing the impact of soil decontamination on radiocesium and sediment transfers in a catchment affected by Fukushima nuclear accident, Japan, using a reservoir sediment core.

Presenter : Clergue T.C., Chaboche P.A., Huon S., Hayashi S., Tsuji H., Wakiyama Y., Nakao A., Evrard O.
Name of Society : European Geosciences Union General Assembly 2024 (2024)
Name of Proceedings : Abstracts
Research Lecture
137Cs dynamics in dam lake (reservoir) system -In the case of Yokokawa dam lake-

Presenter : Tsuji H., Ishii Y., Hayashi S.
Name of Society : Workshop on Methods for Radiological and Environmental Impact Assessment (MEREIA) (2024)
Name of Proceedings : -
Research Presentation
Effects of NH4+ Origin on 137Cs desorption from Lake Sediments

Presenter : Tsuji H., Funaki H., Watanabe M., Hayashi S.
Name of Society : 7th International Conference on Environmental Radioactivity (2023)
Name of Proceedings : Abstracts, 241
Research Presentation
CsMPs found in Aquatic Insects in the Ota River,Fukushima

Presenter : Ishii Y., Miura H., Jo J., Tsuji H., Saito R., Koarai K., Hagiwara H., Tadayuki U., Nishikiori T., Wada T., Hayashi S., Takahashi Y.
Name of Society : IAEA Summary Workshop 2023 (2023)
Name of Proceedings : -
Research Lecture
Dynamics of radiocesium in rivers and dam lakes

Presenter : Tsuji H., Ishii Y., Sakai M., Hayashi S.
Name of Society : 第34回台日工程技術研討會 (2023)
Name of Proceedings : -
Research Presentation
Mid-long term change of particulate/dissolved 137Cs concentration in river water and the impact of Typhoon Hagibis in 2019

Presenter : Tsuji H., Ozaki H., Hayashi S.
Name of Society : European Geosciences Union General Assembly 2021 (2021)
Name of Proceedings : Abstracts
Research Presentation
Radiocesium-bearing microparticles cause a large variation in 137Cs concentration in the aquatic insect, Stenopsyche marmorata, in the Ota River, Fukushima, Japan

Presenter : Ishii Y., Miura H., Jo J., Tsuji H., Saito R., Koarai K., Hayashi S.
Name of Society : vEGU21 (2021)
Name of Proceedings : -
Research Presentation
Development of 137Cs ad/desorption-diffusion model considering temperature and oxygen condition and application to the 137Cs dissolution from bottom sediment in a Fukushima dam reservoir

Presenter : Tsuji H., Higashi H., Hayashi S.
Name of Society : The Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo (2020)
Name of Proceedings : Abstracts
Research Lecture
Behavior of dissolved radiocesium in river water in a high-dose-rate forested watershed in Fukushima Prefecture

Presenter : Tsuji H., Ito S., Hayashi S.
Name of Society : JAEA Workshop for studies of environmental dynamics of radiocesium released by NPP accident (2018)
Name of Proceedings : -
Research Lecture
Research of Environmental dynamics of radio-Cs in the National Institute for Environmental Studies, Japan

Presenter : Tsuji H.
Name of Society : IAEA ALMERA 15TH COORDINATION MEETING (2018)
Name of Proceedings : -
Research Presentation
Behavior of bioavailable radiocesium in dam reservoir after the Fukushima Daiichi Nuclear Power Plant Accident

Presenter : Tsuji H., Funaki H., Iijima K., Hayashi S.
Name of Society : 4th International Conference on Radioecology and Environmental Radioactivity (2017)
Name of Proceedings : Abstracts, 421-422
Research Presentation
Mechanisms controlling the generation of dissolved radioactive Cs in a highly contaminated mountain river system in Fukushima

Presenter : Hayashi S., Tsuji H., Ito S., Ishii Y., Nishina K.
Name of Society : 4th International Conference on Radioecology and Environmental Radioactivity (2017)
Name of Proceedings : Abstracts, 417-418
Research Presentation
Effects of precipitation, temperature and forest type on dissolved 137Cs migration from litter layers in Fukushima forests in 2016

Presenter : Kurihara M., Tsuji H., Onda Y., Suzuki H., Yasutaka T.
Name of Society : 4th International Conference on Radioecology and Environmental Radioactivity (2017)
Name of Proceedings : Abstracts, 488-489
Current status of radioactive environmental pollution in Fukushima

Presenter : Hayashi S., Tsuji N., Ishii Y., Ohara T.
Name of Society : The 14th International Symposium on Persistent Toxic Substances (2017)
Name of Proceedings : -
Research Lecture
River database: Difficulties in Cs sampling in river water

Presenter : Hayashi S., Tsuji N., Ishii Y.
Name of Society : 2017 Interim Meeting of MODARIA II WG4, Subgroup 2 (Fukushima Parameter Datasets) Meeting (2017)
Name of Proceedings : -
Research Presentation
Characteristics of particulate and dissolved radiocesiumconcentrations in stream water at storm runoff events

Presenter : Tsuji H., Nishikiori T., Hayashi S.
Name of Society : 13th International Conference on the Biogeochemistry of Trace Elements (2015)
Name of Proceedings : ABSTRACT BOOK, 206
Research Lecture
Site application of the radiocesium-concentrating apparatus with cartridge filters

Presenter : Tsuji H., Yasutaka T.
Name of Society : Seibersdorf guest lecture (2015)
Name of Proceedings : -
Research Presentation
Radiocesium balance and its behavior in dam on Uda river and Ota river in Fukushima Prefecture

Presenter : Tsuji H., Nishikiori T., Yasutaka T., Hayashi S.
Name of Society : 2015 AGU FAll Meeting (2015)
Name of Proceedings : Abstracts
Research Presentation
Monitoring of the Radiocesium in River Water in Fukushima Using Rapid and Simultaneous Monitoring of Particulate and Dissolved Radiocesium in Water with Nonwoven Fabric Cartridge Filters

Presenter : Tsuji H., Yasutaka T., Kondo Y., Suzuki Y.
Name of Society : ICRER 2014-Third International Conference on Radioecology and Environmental Radioactivity (2014)

Mid-long term change of particulate/dissolved 137Cs concentration in river water and the impact of Typhoon Hagibis in 2019

Presenter : Tsuji H., Ozaki H., Hayashi S.
Name of Society : European Geosciences Union General Assembly 2021 (2021)
Name of Proceedings : Abstracts
Development of 137Cs ad/desorption-diffusion model considering temperature and oxygen condition and application to the 137Cs dissolution from bottom sediment in a Fukushima dam reservoir

Presenter : Tsuji H., Higashi H., Hayashi S.
Name of Society : The Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo (2020)
Name of Proceedings : Abstracts
Behavior of bioavailable radiocesium in dam reservoir after the Fukushima Daiichi Nuclear Power Plant Accident

Presenter : Tsuji H., Funaki H., Iijima K., Hayashi S.
Name of Society : 4th International Conference on Radioecology and Environmental Radioactivity (2017)
Name of Proceedings : Abstracts, 421-422
Mechanisms controlling the generation of dissolved radioactive Cs in a highly contaminated mountain river system in Fukushima

Presenter : Hayashi S., Tsuji H., Ito S., Ishii Y., Nishina K.
Name of Society : 4th International Conference on Radioecology and Environmental Radioactivity (2017)
Name of Proceedings : Abstracts, 417-418
Effects of precipitation, temperature and forest type on dissolved 137Cs migration from litter layers in Fukushima forests in 2016

Presenter : Kurihara M., Tsuji H., Onda Y., Suzuki H., Yasutaka T.
Name of Society : 4th International Conference on Radioecology and Environmental Radioactivity (2017)
Name of Proceedings : Abstracts, 488-489
Characteristics of particulate and dissolved radiocesiumconcentrations in stream water at storm runoff events

Presenter : Tsuji H., Nishikiori T., Hayashi S.
Name of Society : 13th International Conference on the Biogeochemistry of Trace Elements (2015)
Name of Proceedings : ABSTRACT BOOK, 206
Radiocesium balance and its behavior in dam on Uda river and Ota river in Fukushima Prefecture

Presenter : Tsuji H., Nishikiori T., Yasutaka T., Hayashi S.
Name of Society : 2015 AGU FAll Meeting (2015)
Name of Proceedings : Abstracts
Effect of 137Cs desorption from sediment on the formation of dissolved 137Cs in dam discharge water

Presenter : Tsuji H., Funaki H., Hayashi S.
Name of Society : European Geosciences Union General Assembly 2024 (2024)
Name of Proceedings : Abstracts
Assessing the impact of soil decontamination on radiocesium and sediment transfers in a catchment affected by Fukushima nuclear accident, Japan, using a reservoir sediment core.

Presenter : Clergue T.C., Chaboche P.A., Huon S., Hayashi S., Tsuji H., Wakiyama Y., Nakao A., Evrard O.
Name of Society : European Geosciences Union General Assembly 2024 (2024)
Name of Proceedings : Abstracts
Effects of NH4+ Origin on 137Cs desorption from Lake Sediments

Presenter : Tsuji H., Funaki H., Watanabe M., Hayashi S.
Name of Society : 7th International Conference on Environmental Radioactivity (2023)
Name of Proceedings : Abstracts, 241
CsMPs found in Aquatic Insects in the Ota River,Fukushima

Presenter : Ishii Y., Miura H., Jo J., Tsuji H., Saito R., Koarai K., Hagiwara H., Tadayuki U., Nishikiori T., Wada T., Hayashi S., Takahashi Y.
Name of Society : IAEA Summary Workshop 2023 (2023)
Name of Proceedings : -
Radiocesium-bearing microparticles cause a large variation in 137Cs concentration in the aquatic insect, Stenopsyche marmorata, in the Ota River, Fukushima, Japan

Presenter : Ishii Y., Miura H., Jo J., Tsuji H., Saito R., Koarai K., Hayashi S.
Name of Society : vEGU21 (2021)
Name of Proceedings : -
Monitoring of the Radiocesium in River Water in Fukushima Using Rapid and Simultaneous Monitoring of Particulate and Dissolved Radiocesium in Water with Nonwoven Fabric Cartridge Filters

Presenter : Tsuji H., Yasutaka T., Kondo Y., Suzuki Y.
Name of Society : ICRER 2014-Third International Conference on Radioecology and Environmental Radioactivity (2014)

How the forested areas have worked to radiocesium migration in a river system after the Fukushima nuclear accident

Presenter : Hayashi S., Tsuji H.
Name of Society : 7th Asia-Pacific Symposium on Radiochemistry (APSORC25) (2025)
Name of Proceedings : Abstracts
Dynamics of radiocesium in rivers and dam lakes

Presenter : Tsuji H., Ishii Y., Sakai M., Hayashi S.
Name of Society : 第34回台日工程技術研討會 (2023)
Name of Proceedings : -
Behavior of dissolved radiocesium in river water in a high-dose-rate forested watershed in Fukushima Prefecture

Presenter : Tsuji H., Ito S., Hayashi S.
Name of Society : JAEA Workshop for studies of environmental dynamics of radiocesium released by NPP accident (2018)
Name of Proceedings : -
Site application of the radiocesium-concentrating apparatus with cartridge filters

Presenter : Tsuji H., Yasutaka T.
Name of Society : Seibersdorf guest lecture (2015)
Name of Proceedings : -
137Cs dynamics in dam lake (reservoir) system -In the case of Yokokawa dam lake-

Presenter : Tsuji H., Ishii Y., Hayashi S.
Name of Society : Workshop on Methods for Radiological and Environmental Impact Assessment (MEREIA) (2024)
Name of Proceedings : -
Research of Environmental dynamics of radio-Cs in the National Institute for Environmental Studies, Japan

Presenter : Tsuji H.
Name of Society : IAEA ALMERA 15TH COORDINATION MEETING (2018)
Name of Proceedings : -
River database: Difficulties in Cs sampling in river water

Presenter : Hayashi S., Tsuji N., Ishii Y.
Name of Society : 2017 Interim Meeting of MODARIA II WG4, Subgroup 2 (Fukushima Parameter Datasets) Meeting (2017)
Name of Proceedings : -

TSUJI Hideki

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