Rchr
J-GLOBAL ID：201801019029128295
Update date: Jul. 01, 2024
OTA Masakazu
オオタ マサカズ | OTA Masakazu
Affiliation and department：
Research field (1)：
Environmental dynamics
Research keywords (1)：
Environmental Radioactivity
Research theme for competitive and other funds (1)：
- 2020 - 2023 土壌有機炭素モデルで解き明かす、森林伐採に対する土壌中貯留炭素動態の長期応答
Papers (30)：
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Ota Masakazu, Takahara Shogo, Yoshimura Kazuya, Nagakubo Azusa, Hirouchi Jun, Hayashi Naho, Abe Tomohisa, Funaki Hironori, Nagai Haruyasu. Soil dust and bioaerosols as potential sources for resuspended $^{137}$Cs occurring near the Fukushima Dai-ichi Nuclear Power Plant. Journal of Environmental Radioactivity. 2023. 264. 107198\_1-107198\_15
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Masakazu Ota, Jun Koarashi. Contamination processes of tree components in Japanese forest ecosystems affected by the Fukushima Daiichi Nuclear Power Plant accident Cs-137 fallout. SCIENCE OF THE TOTAL ENVIRONMENT. 2022. 816
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Shoji Hashimoto, Taku Tanaka, Masabumi Komatsu, Marc-André Gonze, Wataru Sakashita, Hiroshi Kurikami, Kazuya Nishina, Masakazu Ota, Shinta Ohashi, Philippe Calmon, et al. Dynamics of radiocaesium within forests in Fukushima-results and analysis of a model inter-comparison. Journal of Environmental Radioactivity. 2021. 238-239. 106721-106721
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Nakasone Shunya*, Yokoyama Sumi*, Takahashi Tomoyuki*, Ota Masakazu, Kakiuchi Hideki*, Sugihara Shinji*, Hirao Shigekazu*, Momoshima Noriyuki*, Tamari Toshiya*, Shima Nagayoshi*, et al. Simple pretreatment method for tritium measurement in environmental water samples using a liquid scintillation counter. Plasma and Fusion Research (Internet). 2021. 16. 2405035\_1-2405035\_5
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Nakasone Shunya*, Yokoyama Sumi*, Takahashi Tomoyuki*, Ota Masakazu, Kakiuchi Hideki*, Sugihara Shinji*, Hirao Shigekazu*, Momoshima Noriyuki*, Tamari Toshiya*, Shima Nagayoshi*, et al. Preliminary investigation of pretreatment methods for liquid scintillation measurements of environmental water samples using ion exchange resins. Plasma and Fusion Research (Internet). 2020. 15. 2405027\_1-2405027\_3
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MISC (8)：
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Nakanishi Chika*, Ota Masakazu, Hirouchi Jun, Takahara Shogo. Improvement of the resuspension model for OSCAAR using the atmosphere-soil-vegetation model SOLVEG-R (Contract research). JAEA-Research 2023-012. 2024. 29
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Ota Masakazu, Koarashi Jun. Development of a new model simulating contaminations of forest resources with radiocesium in Fukushima. Isotope News. 2022. 784. 28-31
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Katata Genki, Ota Masakazu. A Terrestrial ecosystem model (SOLVEG) coupled with atmospheric gas and aerosol exchange processes. JAEA-Data/Code 2016-014. 2017. 35
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永井晴康, 堅田元喜, 太田雅和, 伊奈拓也, 掛札豊和, 遠藤章. 福島第一原発事故における拡散シミュレーション. 日本原子力学会春の年会予稿集(CD-ROM). 2013. 2013
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Katata Genki, Chino Masamichi, Terada Hiroaki, Nagai Haruyasu, Ota Masakazu. Local-scale atmospheric dispersion analysis near the plant in early phase of Fukushima Dai-ichi nuclear power plant accident. Proceedings of Annual / Fall Meetings of Atomic Energy Society of Japan. 2013. 2013. 0
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Lectures and oral presentations (27)：
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Development of a land-surface tritium transfer model and its applications
(トリチウム環境生物影響研究会「核融合技術の社会受容にむけたトリチウムの環境動態・生体影響評価研究」)
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Dynamics of radiocaesium in forests deposited by the Fukushima Daiichi Nuclear Power Plant accident; Long-term monitoring and modelling approaches
(5th International Conference on Radioecology \& Environmental Radioactivity (ICRER 2022))
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JAEA's modeling studies on radionuclides transport in the terrestrial environment
(2021 International Symposium on the Environmental Dynamics of Radionuclides and the Biological Effects of Low Dose-rate Radiation)
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Development of a new sampler for tritium measurement in the infiltrated soil water
(29th International Toki Conference on Plasma and Fusion Research (ITC-29))
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Improvement of environmental tritium behavior model; Calculation of OBT concentration in plants using the MOGRA code
(29th International Toki Conference on Plasma and Fusion Research (ITC-29))
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Education (3)：
- 2007 - 2010 Nagoya University Graduate School of Engineering Department of Energy Engineering and Science
- 2005 - 2007 Nagoya University Graduate School of Engineering Energy Engineering and Science
- 2001 - 2005 Nagoya University School of Engineering Department of Physical Science and Engineering
Professional career (1)：
Work history (2)：
- 2012/04 - 現在 Japan Atomic Energy Agency Nuclear Science and Engineering Center Scientist
- 2010/04 - 2012/03 Japan Atomic Energy Agency Nucelar Science and Engineering Directory Post Doctoral Fellow
Committee career (1)：
- 2017/07 - 現在 日本原子力学会 保健物理・環境科学部会委員(学会プログラムワーキンググループ)
Awards (3)：
- 2017/04 - Journal of Environmental Radioactivity, Elsevier Outstanding Contribution in Reviewing
- 2011/07 - McMaster University; Norweegian Radiation Protection Authority (NRPA); Institut de Radioprotection et de Surete Nucleaire (IRSN) 'Young Investigator Award' of International Conference on Radioecology and Environmental Radioactivity (ICRER) 2011 HTO transport and OBT formation after nighttime wet deposition of atmospheric HTO onto land surface
- 2011/03 - 日本原子力学会 保健物理・環境科学部会 2010年秋の大会 保健物理・環境科学部会講演賞 大気-植生-土壌複合系内HTO輸送及びOBT生成モデルの開発
Association Membership(s) (2)：
JAPAN HEALTH PHYSICS SOCIETY
, ATOMIC ENERGY SOCIETY OF JAPAN
