Seiji Takeda - My portal

Profile Information

Affiliation: Japan Atomic Energy Agency

J-GLOBAL ID: 202101007176612744
researchmap Member ID: R000017322

Papers

Joint clarification of contaminant plume and hydraulic transmissivity via a geostatistical approach using hydraulic head and contaminant concentration data

Takai Shizuka, Shimada Taro, Takeda Seiji, Koike Katsuaki*

Mathematical Geosciences, 56(2) 333-360, Feb, 2024 Peer-reviewed
Development of risk assessment code for dismantling of radioactive components in decommissioning stage of nuclear reactor facilities

Shimada Taro, Sasagawa Tsuyoshi, Miwa Kazuji, Takai Shizuka, Takeda Seiji

Proceedings of International Conference on Environmental Remediation and Radioactive Waste Management (ICEM2023) (Internet), 7, Oct, 2023 Peer-reviewed
Study on borehole sealing corresponding to hydrogeological structures by groundwater flow analysis

Sawaguchi Takuma, Takai Shizuka, Sasagawa Tsuyoshi, Uchikoshi Emiko*, Shima Yosuke*, Takeda Seiji

MRS Advances (Internet), 8(6) 243-249, Jun, 2023 Peer-reviewed
Laboratory experiment on runoff of particles deposited on land surface by rainfall at accidents in the decommissioning stage

Shimada Taro, Namekawa Masakazu*, Miwa Kazuji, Takeda Seiji

Proceedings of Waste Management Symposia 2023 (WM2023) (Internet), 8, Feb, 2023 Peer-reviewed
Development of the evaluation method for the mobile radioactive contaminants for assessing public exposure risk in accidental events during decommissioning of nuclear power station

Sasagawa Tsuyoshi, Shimada Taro, Takeda Seiji

Proceedings of 31st International Conference Nuclear Energy for New Europe (NENE2022) (USB Flash Drive), 8, Dec, 2022 Peer-reviewed
Evaluating the effectiveness of a geostatistical approach with groundwater flow modeling for three-dimensional estimation of a contaminant plume

Takai Shizuka, Shimada Taro, Takeda Seiji, Koike Katsuaki*

Journal of Contaminant Hydrology, 251 104097\_1-104097\_12, Dec, 2022 Peer-reviewed
Experimental study on the localization and estimation of radioactivity in concrete rubble using image reconstruction algorithms

Takai Shizuka, Namekawa Masakazu*, Shimada Taro, Takeda Seiji

IEEE Transactions on Nuclear Science, 69(7) 1789-1798, Jul, 2022 Peer-reviewed
Development of dose evaluation method considering radionuclides migration on the surface of the site for confirmation of completion of decommissioning

Miwa Kazuji, Namekawa Masakazu*, Shimada Taro, Takeda Seiji

MRS Advances (Internet), 7(7-8) 165-169, Mar, 2022 Peer-reviewed
Evaluation of clearance level for radionuclides in asbestos-containing wastes

Shimada Taro, Nemoto Hiromi*, Takeda Seiji

Hoken Butsuri (Internet), 57(1) 5-29, Mar, 2022 Peer-reviewed
Activity report of the Task Group on Parameters Used in Biospheric Dose Assessment Models for Radioactive Waste Disposal

Takahashi Tomoyuki*, Fukaya Yukiko*, Iimoto Takeshi*, Uni Yasuo*, Kato Tomoko, Sun S.*, Takeda Seiji, Nakai Kunihiro*, Nakabayashi Ryo*, Uchida Shigeo* …

Hoken Butsuri (Internet), 56(4) 288-305, Dec, 2021 Peer-reviewed
Determination of $^{135}$Cs/$^{137}$Cs isotopic ratio in soil collected near Fukushima Daiichi Nuclear Power Station through mass spectrometry

Shimada Asako, Tsukahara Takehiko*, Nomura Masao*, Kim M. S.*, Shimada Taro, Takeda Seiji, Yamaguchi Tetsuji

Journal of Nuclear Science and Technology, 58(11) 1184-1194, Nov, 2021 Peer-reviewed
Dose estimation of landfill disposal of removed soil generated outside Fukushima Prefecture

Shimada Asako, Sawaguchi Takuma, Takeda Seiji

Health Physics, 120(5) 517-524, May, 2021 Peer-reviewed
Sensitivity analysis of external exposure dose for future burial measures of decontamination soil generated outside Fukushima prefecture

Shimada Asako, Sawaguchi Takuma, Takeda Seiji

Proceedings of 2020 International Conference on Nuclear Engineering (ICONE 2020) (Internet), 5, Aug, 2020 Peer-reviewed
Dose estimation in the recycling of removed soil for land reclamation

Shimada Asako, Nemoto Hiromi*, Sawaguchi Takuma, Takeda Seiji

Mechanical Engineering Journal (Internet), 7(3) 19-00569\_1-19-00569\_17, Jun, 2020 Peer-reviewed
Dose estimation for contaminated soil storage in living environment

Takai Shizuka, Shimada Asako, Sawaguchi Takuma, Takeda Seiji, Kimura Hideo

Radiation Protection Dosimetry, 188(1) 1-7, Jan, 2020 Peer-reviewed
Development of dose estimation system integrating sediment model for recycling radiocesium-contaminated soil to coastal reclamation

Miwa Kazuji, Takeda Seiji, Iimoto Takeshi*

Radiation Protection Dosimetry, 184(3-4) 372-375, Oct, 2019 Peer-reviewed
Dose estimation in recycling of decontamination soil from the Fukushima Daiichi NPS accident for land reclamation

Shimada Asako, Nemoto Hiromi*, Sawaguchi Takuma, Takeda Seiji

Proceedings of 27th International Conference on Nuclear Engineering (ICONE-27) (Internet), 6, May, 2019 Peer-reviewed
Study on restricted use of contaminated rubble on Fukushima Daiichi NPS site, 1; Estimation of reference radiocesium concentration for recycling materials

Shimada Taro, Miwa Kazuji, Takeda Seiji

Progress in Nuclear Science and Technology (Internet), 6 203-207, Jan, 2019 Peer-reviewed
Study on restricted use of contaminated rubble on Fukushima Daiichi NPS site, 2; Validation of reference radiocesium concentration for recycling materials

Miwa Kazuji, Shimada Taro, Takeda Seiji

Progress in Nuclear Science and Technology (Internet), 6 166-170, Jan, 2019 Peer-reviewed
Study on criticality in natural barrier for disposal of fuel debris from Fukushima Daiichi NPS

Shimada Taro, Takubo Kazuya*, Takeda Seiji, Yamaguchi Tetsuji

Progress in Nuclear Science and Technology (Internet), 5 183-187, Nov, 2018 Peer-reviewed

Misc.

Estimation of contaminated materials concentration by a geostatistical method with groundwater flow

Takai Shizuka, Shimada Taro, Takeda Seiji, Koike Katsuaki*

Joho Chishitsu, 32(3)-95, Sep, 2021
Discussion; Making databases of parameter values of radionuclide transfer in environment and application for biospheric dose assessment

Takahashi Tomoyuki*, Uchida Shigeo*, Takeda Seiji, Nakai Kunihiro*

KURNS-EKR-11, 97-102, Mar, 2021
Development of MIG2DF Version 2

Takai Shizuka, Kimura Hideo*, Uchikoshi Emiko*, Munakata Masahiro, Takeda Seiji

JAEA-Data/Code 2020-007, 174, Sep, 2020
Dose estimation in recycling of removed soil as seaside protection forest (Contract research)

Sawaguchi Takuma, Takai Shizuka, Takeda Seiji

JAEA-Research 2020-005, 47, Jun, 2020
Current status and issues for clearance, 5; Concept of restricted use of contaminated rubbles in the Fukushima Daiichi NPS

Shimada Taro, Miwa Kazuji, Takeda Seiji

Nihon Genshiryoku Gakkai-Shi ATOMO$\Sigma$, 61(7) 531-534, Jul, 2019
Safety assessment for recycling of soil generated from decontamination activities

Takeda Seiji

Str{\aa}levern Rappot 2018:4 (Internet), 62-64, Apr, 2018
Challenges for enhancing Fukushima environment resilience, 6; The Use of the reclaimed materials derived from the removed soil on the basis of the security

Okada Takashi, Takeda Seiji, Nakata Hisakazu

Nihon Genshiryoku Gakkai-Shi ATOMO$\Sigma$, 59(10) 603-607, Oct, 2017
Challenges for management of radioactively contaminated wastes and volume reduction and reuse/recycling of removed soil derived from the activities for environmental remediation after the Fukushima Daiichi Nuclear Power Station accident, 4; Safety assessment for reuse of removed soil

Sawaguchi Takuma, Takai Shizuka, Umezawa Katsuhiro, Takeda Seiji, Okada Takashi

Nihon Genshiryoku Gakkai-Shi ATOMO$\Sigma$, 59(8) 445-447, Aug, 2017
Scenario development on application of engineering technology for geological disposal; Study of influence of earthquake at site construction, operation and closure stages and that impact on safety functions after closure of disposal facility (Contract research)

Takai Shizuka, Takayama Hideki*, Takeda Seiji

JAEA-Data/Code 2016-020, 40, Mar, 2017
Dose estimation for reuse of material contaminated by Fukushima Daiichi NPP accident

Takeda Seiji

Str{\aa}levern Rappot 2016:5 (Internet), 43-46, Apr, 2016
Scenario development on application of engineering technology for geological disposal; Study on engineering measures for accidents and human factors (Contract research)

Takai Shizuka, Takayama Hideki*, Takeda Seiji

JAEA-Data/Code 2015-018, 96, Nov, 2015
Scenario development on application of engineering technology for geological disposal; Study on accidents and human factors caused at site characterization, construction, operation and closure stages and that impact on safety functions after closure of disposal facility (Contract research)

Takayama Hideki*, Takai Shizuka, Takeda Seiji

JAEA-Data/Code 2014-026, 189, Feb, 2015
Dose estimation for the use of recycled products from waste affected by radioactive cesium

Takai Shizuka, Takeda Seiji, Kimura Hideo

JAEA-Research 2014-028, 2014(28) 13-2,1-13, Feb, 2015
Safety assessment methodology of radioactive waste disposal

Takeda Seiji

Genshiryoku, Ryoshi, Kakuyugo Jiten, 3, 300-301, Dec, 2014
Study on evaluation methodology for groundwater flow based on geochemical data, 2; Case study for Horonobe area (Contract research)

Sakai Ryutaro, Takeda Seiji, Munakata Masahiro, Kimura Hideo

JAEA-Research 2013-006, 18, Jul, 2013
Study on uncertainty of soil-to-plant transfer factor for the safety assessment (Contract research)

Saito Hironori*, Takeda Seiji, Kimura Hideo

JAEA-Research 2011-032, 2011(32) 92-2,1-92, Nov, 2011
Development of GSA-GCL code version 2 to evaluate radioactivity concentration limit for low level radioactive waste disposal (Contract research)

Takeda Seiji, Sawaguchi Takuma, Sasaki Toshihisa*, Kimura Hideo

JAEA-Data/Code 2011-008, 166, Aug, 2011
Development of FEP database for geological and climatic disruptive events; Uplift, subsidence, earthquake activity, and climate change (Contract research)

Sakai Ryutaro, Takeda Seiji, Kimura Hideo, Matsuba Hisashi*

JAEA-Data/Code 2011-005, 107, Jun, 2011
Development of safety assessment method for human intrusion scenario in Japan, 1; Drilling scenario database for safety assessment of geological disposal (Contract research)

Nagasawa Hirokazu, Takeda Seiji, Kimura Hideo, Sasaki Toshihisa*

JAEA-Data/Code 2010-018, 85, Nov, 2010
Development of safety assessment method for human intrusion scenario in Japan, 2; Development of a human intrusion scenario evaluation code in radioactive waste disposal (Contract research)

Takeda Seiji, Sasaki Toshihisa*, Nagasawa Hirokazu, Kimura Hideo

JAEA-Data/Code 2010-019, 61, Nov, 2010

Presentations

Modeling of coastal landscape evolution during the last glacial-interglacial cycle; A Case study on the Kamikita coastal plain, NE Japan

Takai Shizuka, Sanga Tomoji*, Shimada Taro, Takeda Seiji

American Geophysical Union 2023 Fall Meeting (AGU 2023)
Analytical study of the effect of borehole on nuclide migration

Sawaguchi Takuma, Takai Shizuka, Uchikoshi Emiko*, Takeda Seiji

日本原子力学会2023年秋の大会
Estimation of river incision model by slope-area analysis on the Kamikita coastal plain, NE Japan

Takai Shizuka, Sanga Tomoji*, Shimada Taro, Takeda Seiji

2023年日本地理学会秋季学術大会
Local surface and vertical distribution and isotope ratios for radiocesium

Shimada Asako, Tsukahara Takehiko*, Nomura Masao*, Takeda Seiji

7th International Conference on Environmental Radioactivity (ENVIRA 2023)
Development of exposure risk assessment code at decommissioning stage of nuclear power station, DecAssess-R

Shimada Taro, Miwa Kazuji, Sasagawa Tsuyoshi, Takai Shizuka, Takeda Seiji

日本保全学会第19回学術講演会
Local distribution and isotopic ratio of radiocesium in environment

Shimada Asako, Tsukahara Takehiko*, Nomura Masao*, Takeda Seiji

第83回分析化学討論会
Development of risk assessment methodology for nuclear power plants in decommissioning phase, 2; Evaluation of the mobile radioactive contaminants

Sasagawa Tsuyoshi, Shimada Taro, Takeda Seiji

日本原子力学会2022年秋の大会
Development of risk assessment methodology for nuclear power plants in decommissioning phase, 1; Overview of risk assessment and selection of initiating events

Shimada Taro, Sasagawa Tsuyoshi, Miwa Kazuji, Takai Shizuka, Takeda Seiji

日本原子力学会2022年秋の大会
Development of chemical separation method for the measurement of $^{135}$Cs/$^{137}$Cs isotopic ratio in environmental samples

Shimada Asako, Nomura Masao*, Tsukahara Takehiko*, Takeda Seiji

日本原子力学会2022年秋の大会
Study on confirmation of borehole closure for intermediate disposal of radioactive waste

Sawaguchi Takuma, Murakami Hiroaki, Takeuchi Ryuji, Takai Shizuka, Sasagawa Tsuyoshi, Takeda Seiji

日本原子力学会2022年秋の大会
Applicability of hydraulic parameter inversion for groundwater contaminant plume estimation

Takai Shizuka, Shimada Taro, Takeda Seiji, Koike Katsuaki*

第33回日本情報地質学会講演会(GEOINFORUM 2022)
Study of possibility of clearance measurement for covered cables and control panels by detection simulation

Namekawa Masakazu*, Shimada Taro, Takeda Seiji

日本原子力学会2021年秋の大会
Development of dose evaluation method for confirmation of completion of decommissioning, 1; Study on validation method for evaluated radioactivity distribution

Shimada Taro, Miwa Kazuji, Sasaki Toshihisa*, Takeda Seiji

日本原子力学会2021年秋の大会
Development of dose evaluation method for confirmation of completion of decommissioning, 2; Evaluation method of radioactivity distribution change for safety assessment

Miwa Kazuji, Namekawa Masakazu*, Shimada Taro, Takeda Seiji

日本原子力学会2021年秋の大会
Study on optimization of amount of radioactive waste in radioactive level and worker exposure dose in decommissioning and dismantling work

Sasagawa Tsuyoshi, Shimada Taro, Takeda Seiji

日本原子力学会バックエンド部会第37回バックエンド夏期セミナー
Estimation of contaminated materials concentration by a geostatistical method with groundwater flow

Takai Shizuka, Shimada Taro, Takeda Seiji, Koike Katsuaki*

第32回日本情報地質学会講演会(GEOINFORUM 2021)
Improvement of contaminant plume estimation by a geostatistical method considering groundwater flow and non-negativity

Takai Shizuka, Shimada Taro, Takeda Seiji, Koike Katsuaki*

日本地球惑星科学連合2021年大会(JpGU 2021)
Outline of research on the safety of radioactive waste disposal; Study on the performance assessment of engineered barriers and the judgment criteria on borehole closure

Sawaguchi Takuma, Abe Takeyasu, Sasagawa Tsuyoshi, Murakami Hiroaki, Takeuchi Ryuji, Iida Yoshihisa, Takeda Seiji

令和2年度安全研究センター報告会
Numerical study on the impact of long-term landscape evolution and sea-level change on groundwater flow

Takai Shizuka, Shimada Taro, Uchikoshi Emiko*, Takeda Seiji

日本地下水学会2020年秋季講演会
An Evaluation of long-term landscape evolution considering uncertainties in future sea-level change

Takai Shizuka, Shimada Taro, Uchikoshi Emiko*, Takeda Seiji

日本原子力学会2020年秋の大会