H. Nagai

发表

Atmospheric discharge and dispersion of radionuclides during the Fukushima Dai-ichi Nuclear Power Plant accident. Part II: verification of the source term and analysis of regional-scale atmospheric dispersion.

Haruyasu Nagai, Masamichi Chino, Hiroaki Terada, 2012, Journal of environmental radioactivity.

Atmospheric-dispersion database system that can immediately provide calculation results for various source term and meteorological conditions

K. Tsuduki, H. Terada, H. Nagai, 2020 .

Detailed source term estimation of the atmospheric release for the Fukushima Daiichi Nuclear Power Station accident by coupling simulations of an atmospheric dispersion model with an improved deposition scheme and oceanic dispersion model

Yukihisa Sanada, Tatsuo Torii, Haruyasu Nagai, 2014 .

Development of local-scale high-resolution atmospheric dispersion model using large-eddy simulation. Part 4: turbulent flows and plume dispersion in an actual urban area

B. Leitl, H. Nagai, F. Harms, 2014 .

Development of local-scale high-resolution atmospheric dispersion model using large-eddy simulation. Part 3: turbulent flow and plume dispersion in building arrays

H. Nagai, K. Jurčáková, H. Nakayama, 2009 .

Development of LOcal-scale High-resolution atmospheric DIspersion Model using Large-Eddy Simulation. Part 5: detailed simulation of turbulent flows and plume dispersion in an actual urban area under real meteorological conditions

T. Takemi, H. Nagai, H. Nakayama, 2016 .

Development of Worldwide Version of System for Prediction of Environmental Emergency Dose Information: WSPEEDI 2nd Version

H. Terada, M. Chino, H. Nagai, 2008 .

Global budget of atmospheric 129I during 2007–2010 estimated by a chemical transport model: GEARN–FDM

H. Terada, H. Nagai, M. Kadowaki, 2020 .

A land surface ¹⁴C transfer model and numerical experiments on belowground ¹⁴C accumulation and its impact on vegetation ¹⁴C level.

H. Nagai, M. Ota, J. Koarashi, 2012, Journal of environmental radioactivity.

Development and validation of a dynamical atmosphere-vegetation-soil HTO transport and OBT formation model.

H. Nagai, M. Ota, 2011, Journal of environmental radioactivity.

Atmospheric Modeling of 137Cs Plumes From the Fukushima Daiichi Nuclear Power Plant—Evaluation of the Model Intercomparison Data of the Science Council of Japan

A. Mathieu, M. Kajino, T. Sekiyama, 2018, Journal of Geophysical Research: Atmospheres.

Real-time Simulation and Analysis on Long-range Atmospheric Dispersions of Volcanic Gases Discharged from the Miyake Island

M. Chino, H. Nagai, A. Furuno, 2002 .

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

H. Kondo, T. Nakajima, A. Mathieu, 2019, Atmospheric Environment.

Importance of root HTO uptake in controlling land-surface tritium dynamics after an-acute HT deposition: a numerical experiment.

H. Nagai, M. Ota, J. Koarashi, 2012, Journal of environmental radioactivity.

Large-Eddy Simulation on turbulent flow and plume dispersion over a 2-dimensional hill

H. Nagai, H. Nakayama, 2009 .

Reconstruction of residents’ thyroid equivalent doses from internal radionuclides after the Fukushima Daiichi nuclear power station accident

A. Hasegawa, S. Tokonami, H. Nagai, 2020, Scientific Reports.

Comparison of the vertical distributions of Fukushima nuclear accident radiocesium in soil before and after the first rainy season, with physicochemical and mineralogical interpretations.

Takeshi Matsunaga, Haruyasu Nagai, Tsutomu Sato, 2013, The Science of the total environment.

Development of local-scale high-resolution atmospheric dispersion model using large-eddy simulation part 6: introduction of detailed dose calculation method

H. Terada, H. Nagai, D. Satoh, 2021, Journal of Nuclear Science and Technology.

Development of a Land Surface Model Including Evaporation and Adsorption Processes in the Soil for the Land–Air Exchange in Arid Regions

Haruyasu Nagai, Nurit Agam, Pedro Berliner, 2007 .

Preliminary Estimation of Release Amounts of 131I and 137Cs Accidentally Discharged from the Fukushima Daiichi Nuclear Power Plant into the Atmosphere

H. Yamazawa, Masamichi CHINO, Hiromasa NAKAYAMA, 2011 .

Development of Local-Scale High-Resolution Atmospheric Dispersion Model Using Large-Eddy Simulation Part 1: Turbulent Flow and Plume Dispersion over a Flat Terrain

H. Nagai, H. Nakayama, 2009 .

Modeling dynamics of (137)Cs in forest surface environments: Application to a contaminated forest site near Fukushima and assessment of potential impacts of soil organic matter interactions.

H. Nagai, M. Ota, J. Koarashi, 2016, The Science of the total environment.

Factors affecting vertical distribution of Fukushima accident-derived radiocesium in soil under different land-use conditions.

Takeshi Matsunaga, Haruyasu Nagai, Tsutomu Sato, 2012, The Science of the total environment.

Atmospheric discharge and dispersion of radionuclides during the Fukushima Dai-ichi Nuclear Power Plant accident. Part I: Source term estimation and local-scale atmospheric dispersion in early phase of the accident.

Haruyasu Nagai, Masamichi Chino, Masakazu Ota, 2012, Journal of environmental radioactivity.

Numerical study of fog deposition on vegetation for atmosphere-land interactions in semi-arid and arid regions

H. Ueda, M. Kajino, Y. Hozumi, 2010 .

Source term estimation of atmospheric release due to the Fukushima Dai-ichi Nuclear Power Plant accident by atmospheric and oceanic dispersion simulations

Haruyasu Nagai, Masamichi Chino, Hideyuki Kawamura, 2013 .

Impacts of C-uptake by plants on the spatial distribution of 14C accumulated in vegetation around a nuclear facility-Application of a sophisticated land surface 14C model to the Rokkasho reprocessing plant, Japan.

H. Terada, G. Katata, H. Nagai, 2016, Journal of environmental radioactivity.

Numerical reconstruction of high dose rate zones due to the Fukushima Dai-ichi Nuclear Power Plant accident.

Haruyasu Nagai, Masamichi Chino, Hiroaki Terada, 2012, Journal of environmental radioactivity.

Root and dissolved organic carbon controls on subsurface soil carbon dynamics: A model approach

H. Nagai, M. Ota, J. Koarashi, 2013 .

Refinement of source term and atmospheric dispersion simulations of radionuclides during the Fukushima Daiichi Nuclear Power Station accident.

K. Tsuduki, H. Terada, H. Nagai, 2020, Journal of environmental radioactivity.

Utilization of 134Cs/137Cs in the environment to identify the reactor units that caused atmospheric releases during the Fukushima Daiichi accident

Kimiaki Saito, H. Terada, G. Katata, 2016, Scientific Reports.

Estimation of children’s thyroid equivalent doses in 16 municipalities after the Fukushima Daiichi Nuclear Power Station accident

A. Hasegawa, H. Nagai, T. Ishikawa, 2022, Journal of radiation research.

Source Term Estimation of 131I and 137Cs Discharged from the Fukushima Daiichi Nuclear Power Plant into the Atmosphere

H. Terada, G. Katata, M. Chino, 2014 .

Model Intercomparison of Atmospheric 137Cs From the Fukushima Daiichi Nuclear Power Plant Accident: Simulations Based on Identical Input Data

H. Kondo, T. Nakajima, A. Mathieu, 2018, Journal of Geophysical Research: Atmospheres.

Reconstruction of residents’ thyroid equivalent doses from internal radionuclides after the Fukushima Daiichi nuclear power station accident

A. Hasegawa, S. Tokonami, H. Nagai, 2020, Scientific Reports.

Updating source term and atmospheric dispersion simulations for the dose reconstruction in Fukushima Daiichi Nuclear Power Station Accident

K. Tsuduki, H. Terada, G. Katata, 2017 .

Dependency of the source term estimation method for radionuclides released into the atmosphere on the available environmental monitoring data and its applicability to real-time source term estimation

K. Tsuduki, H. Terada, H. Nagai, 2023, Journal of Nuclear Science and Technology.

LES Analysis of the Aerodynamic Surface Properties for Turbulent Flows over Building Arrays with Various Geometries

Tetsuya Takemi, Hiromasa Nakayama, Haruyasu Nagai, 2011 .

Development of Multiple Job Execution and Visualization System on ITBL System Infrastructure Software and Its Utilization for Parametric Studies in Environmental Modeling

Yoshio Suzuki, Takuya Kobayashi, Hiroaki Terada, 2003, International Conference on Computational Science.

Large‐eddy simulation of urban boundary‐layer flows by generating turbulent inflows from mesoscale meteorological simulations

Tetsuya Takemi, Hiromasa Nakayama, Haruyasu Nagai, 2012 .

Development of a Land Surface Model Including Cloud Water Deposition on Vegetation

W. Eugster, O. Klemm, R. Burkard, 2008 .

Development of Three-Dimensional Numerical Model for 222Rn and Its Decay Products Coupled with a Mesoscale Meteorological Model II. Numerical Analysis on the Increase in Gamma Dose Rate Observed in the Coastal Area of Fukushima Prefecture

M. Chino, H. Nagai, M. Nishizawa, 2008 .

Development of Three-Dimensional Numerical Model for 222Rn and its Decay Products Coupled with a Mesoscale Meteorological Model I. Model Description and Validation

H. Yamazawa, Y. Tohjima, K. Yoshioka, 2007 .

Large-Eddy Simulation of plume dispersion within various actual urban areas

Hiromasa Nakayama, Haruyasu Nagai, K. Jurcakova, 2013 .

Soil dust and bioaerosols as potential sources for resuspended 137Cs occurring near the Fukushima Dai-ichi nuclear power plant.

H. Funaki, K. Yoshimura, H. Nagai, 2023, Journal of Environmental Radioactivity.

A method for simple and accurate estimation of fog deposition in a mountain forest using a meteorological model

M. Kajino, Takatoshi Hiraki, G. Katata, 2011 .

Incorporation of CO2 Exchange Processes into a Multilayer Atmosphere–Soil–Vegetation Model

H. Nagai, 2005 .

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

H. Terada, G. Katata, H. Nagai, 2017 .

Development of Scheme for Predicting Atmospheric Dispersion of Radionuclides during Nuclear Emergency by Using Atmospheric Dynamic Model.

Haruyasu Nagai, Masamichi Chino, Hiromi Yamazawa, 1999 .

Development of the Eulerian atmospheric transport model GEARN-FDM: Validation against the European tracer experiment

H. Terada, G. Katata, H. Nagai, 2017 .

Land Surface Heterogeneity in the Cooperative Atmosphere Surface Exchange Study (CASES-97). Part I: Comparing Modeled Surface Flux Maps with Surface-Flux Tower and Aircraft Measurements

Fei Chen, R. Grossman, M. Lemone, 2003 .

Validation and sensitivity analysis of a new atmosphere-soil-vegetation model. Part II: Impacts on in-canopy latent heat flux over a winter wheat field determined by detailed calculation of canopy radiation transmission and stomatal resistance

H. Nagai, 2003 .

Validation and Sensitivity Analysis of a New Atmosphere–Soil–Vegetation Model

H. Nagai, 2002 .

Validation of a Lagrangian atmospheric dispersion model against middle-range scale measurements of 85Kr concentration in Japan

H. Yamazawa, H. Terada, H. Nagai, 2013 .

Development of Coupled Modeling System for Regional Water Cycle and Material Transport in the Atmospheric, Terrestrial, and Oceanic Environment (Selected Papers of the Joint International Conference of Supercomputing in Nuclear Applications and Monte Carlo : SNA + MC 2010)

K. Tsuduki, H. Nagai, Takuya Kobayashi, 2011 .

Coupled Atmosphere, Land–surface, Hydrology, Ocean–wave, and Ocean–current Models for Mesoscale Water and Energy Circulations

H. Nagai, 2005 .

TERM ESTIMATION FOR THE FUKUSHIMA DAIICHI NUCLEAR POWER STATION ACCIDENT BY COMBINED ANALYSIS OF ENVIRONMENTAL MONITORING AND PLANT DATA THROUGH ATMOSPHERIC DISPERSION SIMULATION

H. Terada, G. Katata, M. Chino, 2015 .

Numerical Prediction of Atmospheric Dispersion of Radionuclides during the Fukushima Dai-ichi Nuclear Power Plant Accident by WSPEEDI

H. Nagai, H. Nakayama, 2013 .

Coupling of Atmospheric Model MM 5 and Land Surface Model SOLVEG by Exchanging Data with MPI on Their Independent Parallel Calculations

H. Nagai, 2003 .

Application of Bayesian machine learning for estimation of uncertainty in forecasted plume directions by atmospheric dispersion simulations

K. Tsuduki, H. Terada, H. Nagai, 2023, Journal of Nuclear Science and Technology.

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

K. Tsuduki, H. Terada, H. Nagai, 2021, Journal of Nuclear Science and Technology.

Quantitative visualization of a radioactive plume with harmonizing gamma-ray imaging spectrometry and real-time atmospheric dispersion simulation based on 3D wind observation

H. Nagai, D. Satoh, H. Nakayama, 2023, Journal of Nuclear Science and Technology.

Development of local-scale high-resolution atmospheric dispersion and dose assessment system

Naoyuki Onodera, Y. Idomura, H. Nagai, 2022, Journal of Nuclear Science and Technology.

Development of Local-Scale High-Resolution Atmospheric Dispersion Model Using Large-Eddy Simulation Part 2: Turbulent Flow and Plume Dispersion around a Cubical Building

H. Nagai, H. Nakayama, 2011 .

Coupling atmospheric ammonia exchange process over a rice paddy field with a multi-layer atmosphere–soil–vegetation model

A. Miyata, M. Mano, K. Hayashi, 2013 .

Author Correction: Reconstruction of residents’ thyroid equivalent doses from internal radionuclides after the Fukushima Daiichi nuclear power station accident

A. Hasegawa, S. Tokonami, H. Nagai, 2020, Scientific Reports.

Large-eddy simulation of turbulent winds during the Fukushima Daiichi Nuclear Power Plant accident by coupling with a meso-scale meteorological simulation model

Tetsuya Takemi, Hiromasa Nakayama, Haruyasu Nagai, 2015 .

Large-Eddy Simulation of Plume Dispersion within a Regular Array of Cubic Buildings

Hiromasa Nakayama, Haruyasu Nagai, H. Nagai, 2011 .