Terada Hiroaki

Profile Information

Affiliation: Japan Atomic Energy Agency

Researcher number: 40354849
J-GLOBAL ID: 201701019280409980
researchmap Member ID: B000279205

Papers

Evaluation of uncertainties derived from meteorological forecast inputs in plume directions predicted by atmospheric dispersion simulations

Yoshida Toshiya, Nagai Haruyasu, Terada Hiroaki, Tsuzuki Katsunori, Sawa Hiroki*

Journal of Nuclear Science and Technology, 59(1) 55-66, Jan, 2022 Peer-reviewed
Validation of ATDMs at early after the lF accident using air dose rate estimated by airborne concentration and surface deposition density

Moriguchi Yuichi*, Sato Yosuke*, Morino Yu*, Goto Daisuke*, Sekiyama Tsuyoshi*, Terada Hiroaki, Takigawa Masayuki*, Tsuruta Haruo*, Yamazawa Hiromi*

KEK Proceedings 2021-2, 21-27, Dec, 2021 Peer-reviewed
Validity of the source term for the Fukushima Dai-ichi Nuclear Power Station accident estimated using local-scale atmospheric dispersion simulations to reproduce the large-scale atmospheric dispersion of $^{137}$Cs

Kadowaki Masanao, Furuno Akiko, Nagai Haruyasu, Kawamura Hideyuki, Terada Hiroaki, Tsuzuki Katsunori, El-Asaad H.

Journal of Environmental Radioactivity, 237 106704\_1-106704\_18, Oct, 2021 Peer-reviewed
Development of local-scale high-resolution atmospheric dispersion model using Large-Eddy Simulation, 6; Introduction of detailed dose calculation method

Nakayama Hiromasa, Satoh Daiki, Nagai Haruyasu, Terada Hiroaki

Journal of Nuclear Science and Technology, 58(9) 949-969, Sep, 2021 Peer-reviewed
Toward development of a framework for prediction system of local-scale atmospheric dispersion based on a coupling of LES-database and on-site meteorological observation

Nakayama Hiromasa, Yoshida Toshiya, Terada Hiroaki, Kadowaki Masanao

Atmosphere (Internet), 12(7) 899\_1-899\_16, Jul, 2021 Peer-reviewed
Global budget of atmospheric $^{129}$I during 2007-2010 estimated by a chemical transport model: GEARN-FDM

Kadowaki Masanao, Terada Hiroaki, Nagai Haruyasu

Atmospheric Environment; X (Internet), 8 100098\_1-100098\_17, Dec, 2020 Peer-reviewed
A model intercomparison of atmospheric 137Cs concentrations from the Fukushima Daiichi Nuclear Power Plant accident, phase III: Simulation with an identical source term and meteorological field at 1-km resolution

Yousuke Sato, Tsuyoshi Thomas Sekiyama, Sheng Fang, Mizuo Kajino, Arnaud Quérel, Denis Quélo, Hiroaki Kondo, Hiroaki Terada, Masanao Kadowaki, Masayuki Takigawa …

Atmospheric Environment: X, 7 100086-100086, Oct, 2020 Peer-reviewed
Atmospheric-dispersion database system that can immediately provide calculation results for various source term and meteorological conditions

Terada Hiroaki, Nagai Haruyasu, Tanaka Atsunori*, Tsuzuki Katsunori, Kadowaki Masanao

Journal of Nuclear Science and Technology, 57(6) 745-754, Jun, 2020 Peer-reviewed
Refinement of source term and atmospheric dispersion simulations of radionuclides during the Fukushima Daiichi Nuclear Power Station accident

Terada Hiroaki, Nagai Haruyasu, Tsuzuki Katsunori, Furuno Akiko, Kadowaki Masanao, Kakefuda Toyokazu*

Journal of Environmental Radioactivity, 213 106104\_1-106104\_13, Mar, 2020 Peer-reviewed
Processes affecting land-surface dynamics of $^{129}$I impacted by atmospheric $^{129}$I releases from a spent nuclear fuel reprocessing plant

Ota Masakazu, Terada Hiroaki, Hasegawa Hidenao*, Kakiuchi Hideki*

Science of the Total Environment, 704 135319\_1-135319\_15, Feb, 2020 Peer-reviewed
Intercomparison of numerical atmospheric dispersion prediction models for emergency response to emissions of radionuclides with limited source information in the Fukushima Dai-ichi Nuclear Power Plant accident

Iwasaki Toshiki*, Sekiyama Tsuyoshi*, Nakajima Teruyuki*, Watanabe Akira*, Suzuki Yasushi*, Kondo Hiroaki*, Morino Yu*, Terada Hiroaki, Nagai Haruyasu, Takigawa Masayuki* …

Atmospheric Environment, 214 116830\_1-116830\_11, Oct, 2019 Peer-reviewed
Model intercomparison of atmospheric $^{137}$Cs from the Fukushima Daiichi Nuclear Power Plant accident; Simulations based on identical input data

Sato Yosuke*, Takigawa Masayuki*, Sekiyama Tsuyoshi*, Kajino Mizuo*, Terada Hiroaki, Nagai Haruyasu, Kondo Hiroaki*, Uchida Junya*, Goto Daisuke*, Qu\'elo D.* …

Journal of Geophysical Research; Atmospheres, 123(20) 11748-11765, Oct, 2018 Peer-reviewed
Atmospheric modeling of $^{137}$Cs plumes from the Fukushima Daiichi Nuclear Power Plant; Evaluation of the model intercomparison data of the Science Council of Japan

Kitayama Kyo*, Morino Yu*, Takigawa Masayuki*, Nakajima Teruyuki*, Hayami Hiroshi*, Nagai Haruyasu, Terada Hiroaki, Saito Kazuo*, Shimbori Toshiki*, Kajino Mizuo* …

Journal of Geophysical Research; Atmospheres, 123(14) 7754-7770, Jul, 2018 Peer-reviewed
Impacts of anthropogenic source from the nuclear fuel reprocessing plants on global atmospheric iodine-129 cycle; A Model analysis

Kadowaki Masanao, Katata Genki*, Terada Hiroaki, Suzuki Takashi, Hasegawa Hidenao*, Akata Naofumi*, Kakiuchi Hideki*

Atmospheric Environment, 184 278-291, Jul, 2018 Peer-reviewed
Improvement of atmospheric dispersion simulation using an advanced meteorological data assimilation method to reconstruct the spatiotemporal distribution of radioactive materials released during the Fukushima Daiichi Nuclear Power Station accident

Kadowaki Masanao, Nagai Haruyasu, Terada Hiroaki, Katata Genki*, Akari Shusaku*

Energy Procedia, 131 208-215, Dec, 2017 Peer-reviewed
Updating source term and atmospheric dispersion simulations for the dose reconstruction in Fukushima Daiichi Nuclear Power Station accident

Nagai Haruyasu, Terada Hiroaki, Tsuzuki Katsunori, Katata Genki, Ota Masakazu, Furuno Akiko, Akari Shusaku

EPJ Web of Conferences (Internet), 153 08012\_1-08012\_7, Sep, 2017 Peer-reviewed
Development of the Eulerian atmospheric transport model GEARN-FDM; Validation against the European tracer experiment

Kadowaki Masanao, Katata Genki, Terada Hiroaki, Nagai Haruyasu

Atmospheric Pollution Research, 8(2) 394-402, Mar, 2017 Peer-reviewed
Impacts of C-uptake by plants on the spatial distribution of $^{14}$C accumulated in vegetation around a nuclear facility; Application of a sophisticated land surface $^{14}$C model to the Rokkasho reprocessing plant, Japan

Ota Masakazu, Katata Genki, Nagai Haruyasu, Terada Hiroaki

Journal of Environmental Radioactivity, 162-163 189-204, Oct, 2016 Peer-reviewed
Utilization of $^{134}$Cs/$^{137}$Cs in the environment to identify the reactor units that caused atmospheric releases during the Fukushima Daiichi accident

Chino Masamichi, Terada Hiroaki, Nagai Haruyasu, Katata Genki, Mikami Satoshi, Torii Tatsuo, Saito Kimiaki, Nishizawa Yukiyasu

Scientific Reports (Internet), 6 31376\_1-31376\_14, Aug, 2016 Peer-reviewed
Source term estimation for the Fukushima Daiichi Nuclear Power Station accident by combined analysis of environmental monitoring and plant data through atmospheric dispersion simulation

Nagai Haruyasu, Terada Hiroaki, Chino Masamichi, Katata Genki, Mikami Satoshi, Saito Kimiaki

Proceedings of 16th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-16) (USB Flash Drive), 4044-4052, Aug, 2015 Peer-reviewed

Misc.

Transfer and operation of WSPEEDI-II automatic calculation system for responses to nuclear tests by North Korea

Nemoto Miho*, Ebine Noriya, Okamoto Akiko, Hosaka Yasuhisa*, Tsuzuki Katsunori, Terada Hiroaki, Hayakawa Tsuyoshi, Togawa Orihiko

JAEA-Technology 2021-013, 41, Aug, 2021
Atmospheric dispersion database system WSPEEDI-DB; Quicker calculation of atmospheric dispersion of radioactive materials under various meteorological and release conditions

Terada Hiroaki, Nagai Haruyasu

Isotope News, (775) 44-48, Jun, 2021
福島第一原子力発電所起源の¹³⁷Csを対象とした第3次モデル間比較プロジェクト

佐藤陽祐, 関山剛, FANG Sheng, 梶野瑞王, QUERE Arnaud, QUELO Denis, 近藤裕昭, 寺田宏明, 門脇正尚, 滝川雅之 …

日本気象学会大会講演予稿集(CD-ROM), (117), 2020
C163 広域原子力事故時の大気拡散予測モデルMM5/GEARNのチェルノブイリデータによる性能評価(物質循環II)

寺田宏明, 茅野政道

大会講演予講集, 86 231-231, 2004

Presentations

JAEA's modeling studies on radionuclides transport in the terrestrial environment

Ota Masakazu, Terada Hiroaki, Koarashi Jun, Nagai Haruyasu

2021 International Symposium on the Environmental Dynamics of Radionuclides and the Biological Effects of Low Dose-rate Radiation
Evaluation of atmospheric dispersion models using the environmental data on the nuclear accident and their application to nuclear emergency, 3; Usage of atmospheric dispersion models in the nuclear emergency scheme

Yamazawa Hiromi*, Oura Yasuji*, Moriguchi Yuichi*, Terada Hiroaki, Sekiyama Tsuyoshi*, Goto Daisuke*, Tsuruta Haruo*, Sato Yosuke*

日本原子力学会2021年秋の大会
Evaluation of atmospheric dispersion models using the environmental data on the nuclear accident and their application to nuclear emergency, 2; Applications of an atmospheric dispersion model

Terada Hiroaki, Nagai Haruyasu

日本原子力学会2021年秋の大会
JAEA's experience in the source term estimation for the Fukushima Daiichi Nuclear Power Plant accident using WSPEEDI

Terada Hiroaki

Meeting on Sharing Experience in Source Term Estimation and Air Dispersion Modelling for Nuclear Emergency Preparedness and Response
3rd model intercomparison projects of atmospheric dispersion model for $^{137}$Cs emitted from Fukushima Daiichi Nuclear Power Plant, and application of MIPs' results for usage in an emergency

Yamazawa Hiromi*, Sato Yosuke*, Sekiyama Tsuyoshi*, Kajino Mizuo*, Fang S.*, Qu\'erel A.*, Qu\'elo D.*, Kondo Hiroaki*, Terada Hiroaki, Kadowaki Masanao, Takigawa Masayuki*, Morino Yu*, Uchida Junya*, Goto Daisuke*, Nakamura Masataka*, Kiriyama Yusaku*

European Geosciences Union General Assembly 2021 (vEGU21)
Source term estimation of the radioactive materials released into the atmosphere during the Fukushima Daiichi nuclear power station accident

Terada Hiroaki, Nagai Haruyasu, Tsuzuki Katsunori, Kadowaki Masanao

International Workshop on Model Intercomparison Project for Better Understandings of Present Status of Meso-scale Atmospheric Transport Models
Review of model intercomparison projects (MIPs) of atmospheric dispersion model for $^{137}$Cs emitted from Fukushima Daiichi Nuclear Power Plant; MIPs with identical source term and meteorological data

Sato Yosuke*, Takigawa Masayuki*, Sekiyama Tsuyoshi*, Kajino Mizuo*, Terada Hiroaki, Nagai Haruyasu, Kadowaki Masanao, Kondo Hiroaki*, Uchida Junya*, Goto Daisuke*, Qu\'erel A.*, Qu\'elo D.*, Mathieu A.*, Fang S.*, Morino Yu*, von Schoenberg P.*, Grahn H.*, Brannstr\"om N.*, Hirao Shigekazu*, Tsuruta Haruo*, Nakajima Teruyuki*, Yamazawa Hiromi*

Fukushima Dai-ichi and the Ocean; 10 years of study and insight
Estimation of the source term of radioactive materials discharged into the atmosphere during the Fukushima Daiichi Nuclear Power Station accident

Nagai Haruyasu, Terada Hiroaki

Fukushima Dai-ichi and the Ocean; 10 years of study and insight
Development of an objective evaluation method for the uncertainty of atmospheric dispersion prediction derived from a meteorological forecast

Yoshida Toshiya, Nagai Haruyasu, Terada Hiroaki, Tsuzuki Katsunori, Sawa Hiroki*

日本気象学会2020年度秋季大会
Development of a source term estimation method based on Bayesian inference with multi-scale atmospheric dispersion simulations

Terada Hiroaki, Nagai Haruyasu, Tsuzuki Katsunori, Kadowaki Masanao, Furuno Akiko

日本原子力学会2020年秋の大会
Third model intercomparison project for $^{137}$Cs from the Fukushima Daiichi Nuclear Power Station Accident

Sato Yosuke*, Sekiyama Tsuyoshi*, Sheng F.*, Kajino Mizuo*, Qu\'elo D.*, Qu\'ere A.*, Kondo Hiroaki*, Terada Hiroaki, Kadowaki Masanao, Takigawa Masayuki*, Morino Yu*, Uchida Junya*, Goto Daisuke*, Yamazawa Hiromi*

日本気象学会2020年度春季大会
Intercomparison of atmospheric transport models using 1 km grid meteorological data for the Fukushima Daiichi Nuclear Power Plant Accident

Yamazawa Hiromi*, Sato Yosuke*, Sekiyama Tsuyoshi*, Kajino Mizuo*, Goto Daisuke*, Morino Yu*, Kondo Hiroaki*, Qu\'erel A.*, Fang S.*, Takigawa Masayuki*, Terada Hiroaki, Kadowaki Masanao, Uchida Junya*, Sato Yosuke*

European Geosciences Union General Assembly 2020
Validation of a local-scale high-resolution atmospheric dispersion model with two different boundary conditions for plume dispersion prediction around a nuclear facility

Yoshida Toshiya, Nakayama Hiromasa, Terada Hiroaki

Joint International Conference on Supercomputing in Nuclear Applications + Monte Carlo 2020 (SNA + MC 2020)
Development and application of atmospheric dispersion prediction models for radioactive material

Terada Hiroaki

第31回CCSEワークショップ
An Estimate of the global budget of atmospheric iodine-129 during the 2000s with a global transport model

Kadowaki Masanao, Terada Hiroaki

American Geophysical Union 2019 Fall Meeting (AGU 2019)
Sophistication of dynamics evaluation method for harmful substances in the atmosphere

Yamazawa Hiromi*, Sato Yosuke*, Oura Yasuji*, Moriguchi Yuichi*, Terada Hiroaki, Furuno Akiko, Tsuzuki Katsunori, Kadowaki Masanao, Sekiyama Tsuyoshi*, Adachi Koji*, Goto Daisuke*, Morino Yu*, Tsuruta Haruo*

テクノ・フェア名大2019
Source term estimation of atmospheric discharge during the Fukushima Daiichi Nuclear Power Station accident by Bayesian inversion with multi-scale dispersion simulations

Terada Hiroaki, Nagai Haruyasu, Tsuzuki Katsunori, Furuno Akiko, Kadowaki Masanao

European Meteorological Society Annual Meeting 2019
Hemispheric atmospheric dispersion analysis of radionuclides released from the Fukushima Daiichi Nuclear Power Plant

Furuno Akiko, Terada Hiroaki, Tsuzuki Katsunori, Kadowaki Masanao, Nagai Haruyasu

CTBT: Science and Technology 2019 Conference (SnT 2019)
Detailed intercomparison of atmospheric transport models using newly obtained concentration data of Cs-137 from the Fukushima Daiichi Nuclear Power Plant Accident

Yamazawa Hiromi*, Sato Yosuke*, Adachi Shinichiro*, Takigawa Masayuki*, Sekiyama Tsuyoshi*, Kajino Mizuo*, Terada Hiroaki, Kondo Hiroaki*, Uchida Junya*, Goto Daisuke*, Qu\'erel A.*, Fang S.*, Morino Yu*, Hirao Shigekazu*, Tsuruta Haruo*

European Geosciences Union General Assembly 2019
Current status of atmospheric dispersion simulation for a nuclear accident

Nagai Haruyasu, Terada Hiroaki, Tanimori Toru*

日本原子力学会2019年春の年会

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