Oscillation-free source term inversion of atmospheric radionuclide releases with joint model bias corrections and non-smooth competing priors
The source term of atmospheric radionuclide releases is essential for the hazardous
consequence assessment and emergency response. However, the artificial release …
consequence assessment and emergency response. However, the artificial release …
[HTML][HTML] Atmospheric dispersion of chemical, biological, and radiological hazardous pollutants: Informing risk assessment for public safety
Modern society is confronted with emerging threats from chemical, biological, and
radiological (CBR) hazardous substances, which are intensively utilized in the chemical …
radiological (CBR) hazardous substances, which are intensively utilized in the chemical …
Development of source term estimation model using Kalman filter technique and its evaluation against reversal method
Abstract A Kalman Filter (KF) algorithm is developed for radionuclide source term estimation
based on real-time gamma dose rate and meteorological data. The algorithm uses Gaussian …
based on real-time gamma dose rate and meteorological data. The algorithm uses Gaussian …
Local atmospheric transport behaviors of representative radionuclides during the Fukushima accident: A 200-m-resolution cross-scale study from site to 20 km
S Zhuang, S Fang, X Dong, Y Xu, L Sheng… - Journal of Environmental …, 2023 - Elsevier
Modeling of local atmospheric radionuclide transport is essential for nuclear emergency
response. However, very few studies of the Fukushima Dai-ichi nuclear power plant …
response. However, very few studies of the Fukushima Dai-ichi nuclear power plant …
Nuclear accident source term estimation using kernel principal component analysis, particle swarm optimization, and backpropagation neural networks
Y Ling, Q Yue, C Chai, Q Shan, D Hei, W Jia - Annals of Nuclear Energy, 2020 - Elsevier
Rapid estimation of the release rate of source items after a nuclear accident is very important
for nuclear emergency and decision making. A source term estimation method, based on the …
for nuclear emergency and decision making. A source term estimation method, based on the …
[HTML][HTML] A spatiotemporally separated framework for reconstructing the sources of atmospheric radionuclide releases
Y Xu, S Fang, X Dong, S Zhuang - Geoscientific Model …, 2024 - gmd.copernicus.org
Determining the source location and release rate are critical tasks when assessing the
environmental consequences of atmospheric radionuclide releases, but they remain …
environmental consequences of atmospheric radionuclide releases, but they remain …
Multi-scenario validation of the robust inversion method with biased plume range and values
X Dong, S Zhuang, Y Xu, H Hu, X Li, S Fang - Journal of Environmental …, 2024 - Elsevier
Release rate estimation is a vital means of revealing the emission process of radionuclides
and assessing the environmental consequences in an emergency. Inverse modeling is …
and assessing the environmental consequences in an emergency. Inverse modeling is …
Improving the estimation accuracy of multi-nuclide source term estimation method for severe nuclear accidents using temporal convolutional network optimized by …
Y Ling, T Huang, Q Yue, Q Shan, D Hei, X Zhang… - Journal of …, 2022 - Elsevier
During a nuclear accident, estimating the source terms using environmental measurements
is vital for emergency decision-making. In this study, we propose a forecasting model based …
is vital for emergency decision-making. In this study, we propose a forecasting model based …
Development of local-scale high-resolution atmospheric dispersion and dose assessment system
H Nakayama, N Onodera, D Satoh… - Journal of Nuclear …, 2022 - Taylor & Francis
We have developed a local-scale high-resolution atmospheric dispersion and dose
assessment system (LHADDAS) for safety and consequence assessment of nuclear facilities …
assessment system (LHADDAS) for safety and consequence assessment of nuclear facilities …
Method to determine nuclear accident release category via environmental monitoring data based on a neural network
Q Yue, W Jia, T Huang, Q Shan, D Hei, X Zhang… - … Engineering and Design, 2020 - Elsevier
After a severe nuclear accident, the source term is typically unknown. Therefore, great
importance is attached to obtaining source term information for subsequent emergency …
importance is attached to obtaining source term information for subsequent emergency …