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Weihua Zhang

Weihua Zhang

LiveDNA ID: 1.9308
65 Publications
0 Editorial Roles
0 Projects

About

Professional Summary

Dr. Weihua Zhang is currently working as Research Scientist at RPB of Health Canada. His research focused on Developing and Improving Gamma, Beta and Alpha-Spectrometry for improved Monitoring of Environmental Radioactivity and investigating Radiation Exposure to Humans from Natural and Anthropogenic Radiation Sources. He obtained his Ph.D. in Radio Chemistry from Dalhousie University Chemistry Department in 1997. He has 56 publications in journals.

Education

Academic Background
  • Ph.D. Dalhousie University, Canada Chemistry | Completed: 1997

Publications (65)

Selected Scholarly Contributions
Observed Atmospheric 133Xe Concentrations in the Arctic and their relationship to the North Atlantic Oscillation (NAO)
Weihua Zhang, Mikhail Sofiev, Chuanlei Liu, Jing Yi, Morten Sickel, Jussi Paatero, Kurt Ungar, Eric Pellerin
Journal of Environmental Radioactivity | Journal Article
10.1016/j.jenvrad.2025.107854
Crossref
2026
MEASUREMENTS OF NATURAL RADIOACTIVITY IN SOIL SAMPLES FROM SOUTHERN ONTARIO AND ESTIMATION OF THE ACTIVITY CONCENTRATION INDEX IN BUILDING MATERIAL OF LOCAL ORIGIN
Jing Chen, Weihua Zhang
Radiation Protection Dosimetry | Journal Article
10.1093/rpd/ncab164
Crossref
2021
Gamma peak search and peak fitting algorithm for a low-resolution detector with applications in gamma spectroscopy
Kenneth Lam, Weihua Zhang
Journal of Radioanalytical and Nuclear Chemistry | Journal Article
10.1007/s10967-019-06760-x
Crossref
2019
The development of a digital gamma-gamma coincidence/anticoincidence spectrometer and its applications to monitor low-level atmospheric 22Na/7Be activity ratios in Resolute Bay, Canada.
Zhang, W., K. Lam and K. Ungar,
J. Environ. Radioact., | Journal Article
10.1016/j.jenvrad.2018.07.022
Self Weihua Zhang
2018
Software to compensate coincidence losses in the environmental sample analysis of a digital anti-compton spectrometer.
Zhang, W., K. Lam, K. Ungar and C. Liu,
J. Eng. Environ. Res. Technol., | Journal Article
10.24218/jeert.2018.03
Self Weihua Zhang
2018
An analytical figure of merit term to assess the practical advantages of anticoincidence gamma-ray spectrometry in INAA and its application to the determination of low levels of magnesium in biological reference materials.
Zhang, W. and A. Chatt,
J. Radioanal. Nucl. Chem., | Journal Article
10.1007/s10967-018-6031-x
Self Weihua Zhang
2018
Development of a national cosmic-ray dose monitoring system with health Canada's fixed point surveillance network.
Liu, C., W. Zhang, K. Ungar, E. Korpach, B. White, M. Benotto and E. Pellerin,
J. Environ. Radioact., | Journal Article
10.1016/j.jenvrad.2018.04.023
Self Weihua Zhang
2018
Gamma spectrum and coincidence summation simulations with Geant4 in the analysis of radionuclide using BEGe detector.
Liu, C., W. Zhang, D. Pierce, K. Ungar, C. Tulk and M. Bean,
Applied Radiat. Isot., | Journal Article
10.1016/j.apradiso.2018.04.003
Self Weihua Zhang
2018
Evaluation of mean transit time of aerosols from the area of origin to the Arctic with 210Pb/210Po daily monitoring data.
Zhang, W., B. Sadi, C. Rinaldo, J. Chen, N. Spencer and K. Ungar,
J. Environ. Radioact., | Journal Article
10.1016/j.jenvrad.2017.09.027
Self Weihua Zhang
2018
Atmospheric particulate and xenon radioisotopes monitoring over Canada and health impact estimation before and after the fukushima nuclear accident.
Zhang, W. and K. Ungar,
Radiat. Prot. Dosim., | Journal Article
10.1093/rpd/ncx235
Self Weihua Zhang
2017
Accurate efficiency characterization of a BEGe detector in the low-energy range using empirical and Monte Carlo simulation approaches.
Mekarski, P., W. Zhang, C. Liu and K. Ungar,
J. Radioanal. Nucl. Chem., | Journal Article
10.1007/s10967-017-5352-5
Self Weihua Zhang
2017
Detection efficiency calculations using Geant4 for a broad-energy germanium gamma spectrometer.
Liu, C., K. Ungar, D. Pierce, I. Hoffman and W. Zhang,
J. Radioanal. Nucl. Chem., | Journal Article
10.1007/s10967-017-5239-5
Self Weihua Zhang
2017
Design and optimization of a dual-hpge γ spectrometer and its cosmic veto system.
Zhang, W., H. Ro, C. Liu, I. Hoffman and K. Ungar,
IEEE Trans. Nucl. Sci., | Journal Article
10.1109/TNS.2017.2654686
Self Weihua Zhang
2017
A study on the levels of radioactivity in fish samples from the experimental lakes area in Ontario, Canada.
Chen, J., M.D. Rennie, B. Sadi, W. Zhang and N. St-Amant,
J. Environ. Radioact., | Journal Article
10.1016/j.jenvrad.2016.01.005
Self Weihua Zhang
2016
Cosmic-muon intensity measurement and overburden estimation in a building at surface level and in an underground facility using two BC408 scintillation detectors coincidence counting system.
Zhang, W., K. Ungar, C. Liu and M. Mailhot,
J. Environ. Radioactivity, | Journal Article
10.1016/j.jenvrad.2016.06.011
Self Weihua Zhang
2016
The determination of Fukushima-derived cesium-134 and cesium-137 in Japanese green tea samples and their distribution subsequent to simulated beverage preparation.
Cook, M.C., M.J. Stukel, W. Zhang, J.F. Mercier and M.W. Cooke,
J. Environ. Radioactivity, | Journal Article
10.1016/j.jenvrad.2015.12.010
Self Weihua Zhang
2016
Activity concentration measurements of selected radionuclides in seals from Canadian Arctic.
Chen, J., W. Zhang, B. Sadi, X. Wang and D.C.G. Muir,
J. Environ. Radioactivity, | Journal Article
10.1016/j.jenvrad.2016.12.015
Self Weihua Zhang
2016
A report of radioactivity measurements of freshwater fish samples from the National Capital Region of Canada.
Chen, J., W. Zhang and B. Sadi,
J. Environ. Radioact., | Journal Article
10.1016/j.jenvrad.2015.02.005
Self Weihua Zhang
2015
Estimation of the Arctic aerosols from local and long-range transport using relationships between 210Pb and 212Pb atmospheric activity concentrations.
Zhang, W., J. Chen, K. Ungar and M. Cooke,
J. Environ. Radioact., | Journal Article
10.1016/j.jenvrad.2014.12.008
Self Weihua Zhang
2015
A gamma-gamma coincidence/anticoincidence spectrometer for low-level cosmogenic 22Na/7Be activity ratio measurement.
Zhang, W., K. Ungar, M. Stukel and P. Mekarski,
J. Environ. Radioact., | Journal Article
10.1016/j.jenvrad.2013.12.018
Self Weihua Zhang
2014
Anticoincidence counting further improves detection limits of short-lived products by pseudo-cyclic instrumental neutron activation analysis.
Zhang, W. and A. Chatt,
J. Radioanal. Nuclear Chem., | Journal Article
10.1007/s10967-014-3540-0
Self Weihua Zhang
2014
Evaluation of INAA-anticoincidence counting for measuring nanogram levels of vanadium in relatively high-salt nutritional reference materials.
Zhang, W. and A. Chatt,
J. Radioanal. Nuclear Chem., | Journal Article
10.1007/s10967-013-2854-7
Self Weihua Zhang
2014
Modelling of a single-channel beta-gamma coincidence phoswich detector using geant4 for the conversion electron energy peak resolution and beta-gamma coincidence efficiency improvement.
Zhang, W., P. Mekarski, M. Bean, J. Yi and K. Ungar,
Pure Applied Geophys., | Journal Article
10.1007/s00024-012-0494-4
Self Weihua Zhang
2014
Performance evaluation and optimization for a newly developed digital list-mode data acquisition Compton suppression spectrometer.
Zhang, W., B. Keeshan, P. Mekarski, J. Yi and K. Ungar,
Applied Radiat. Isotopes, | Journal Article
10.1016/j.apradiso.2013.02.002
Self Weihua Zhang
2013
Testing of an automatic outdoor gamma ambient dose-rate surveillance system in Tokyo and its calibration using measured deposition after the Fukushima nuclear accident.
Zhang, W., E. Korpach, R. Berg and K. Ungar,
J. Environ. Radioact., | Journal Article
10.1016/j.jenvrad.2012.12.011
Self Weihua Zhang
2013
The ambient gamma dose-rate and the inventory of fission products estimations with the soil samples collected at Canadian embassy in Tokyo during Fukushima nuclear accident.
Zhang, W., J. Friese and K. Ungar,
J. Radioanal. Nuclear Chem., | Journal Article
10.1007/s10967-012-2040-3
Self Weihua Zhang
2013
Fukushima event reconstruction using modelling and isotope relationships.
Hoffman, I., E. Korpach, P. Mekarski, K. Ungar and J. Yi et al.,
J. Radioanal. Nuclear Chem., | Journal Article
10.1007/s10967-012-2124-0
Self Weihua Zhang
2013
Epithermal instrumental neutron activation analysis in conjunction with anti-coincidence gamma-ray spectrometry for investigating iodine levels in Canadian foods.
Zhang, W. and A. Chatt,
J. Radioanal. Nuclear Chem., | Journal Article
10.1007/s10967-012-2064-8
Self Weihua Zhang
2013
An extended study on the correlation between 210Pb in household dust and indoor radon concentration.
Chen, J., W. Zhang and A. Jiao,
Environ. Pollut., | Journal Article
10.5539/ep.v1n2p70
Self Weihua Zhang
2012
A digital Compton suppression spectroscopy without gamma-ray coincidence-summing loss using list-mode multispectral data acquisition.
Zhang, W., P. Mekarski, M. Dion, J. Yi and K. Ungar,
J. Radioanal. Nuclear Chem., | Journal Article
10.1007/s10967-011-1588-7
Self Weihua Zhang
2012
Radon emanation in Saskatchewan soils.
Thomas, P.A., D.W. Anderson, W. Zhang, A.S. Baweja and B.L. Tracy,
Health Phys., | Journal Article
10.1097/HP.0b013e3181fc602f
Self Weihua Zhang
2011
Quantification of 235U and 238U activity concentrations for undeclared nuclear materials by a digital gamma-gamma coincidence spectroscopy.
Zhang, W., J. Yi, P. Mekarski, K. Ungar, B. Hauck and G.H. Kramer,
Applied Radiat. Isotopes, | Journal Article
10.1016/j.apradiso.2011.02.036
Self Weihua Zhang
2011
Development of a new aerosol monitoring system and its application in Fukushima nuclear accident related aerosol radioactivity measurement at the CTBT radionuclide station in Sidney of Canada.
Zhang, W., M. Bean, M. Benotto, J. Cheung, K. Ungar and B. Ahier,
J. Environ. Radioact., | Journal Article
10.1016/j.jenvrad.2011.08.007
Self Weihua Zhang
2011
A gamma-gamma coincidence spectrometric method for rapid characterization of uranium isotopic fingerprints.
Zhang, W., J. Yi, P. Mekarski, K. Ungar, B. Hauck and G.H. Kramer,
J. Radioanal. Nuclear Chem., | Journal Article
10.1007/s10967-010-0868-y
Self Weihua Zhang
2011
A system for low-level the cosmogenic 22Na radionuclide measurement by gamma-gamma coincidence method using BGO detectors.
Zhang, W., J. Yi, P. Mekarski, I. Hoffman, K. Ungar and A.P. Leppanen,
J. Radioanal. Nuclear Chem., | Journal Article
10.1007/s10967-010-0758-3
Self Weihua Zhang
2011
A Geant4 Monte Carlo method for synthesizing radioxenon beta-gamma coincidence spectra.
Zhang, W., P. Mekarski, J. Lam and K. Ungar,
J. Radioanal. Nuclear Chem., | Journal Article
10.1007/s10967-010-0645-y
Self Weihua Zhang
2010
Geant4 Monte Carlo radioxenon beta-gamma coincidence efficiency simulation for a phoswich detector.
Zhang, W., P. Mekarski, J. Lam, K. Ungar and E. Pellerin,
J. Radioanal. Nuclear Chem., | Journal Article
10.1007/s10967-010-0596-3
Self Weihua Zhang
2010
Automated analysis for large amount gaseous fission product gamma-scanning spectra from nuclear power plant and its data mining.
Zhang, W., J. Ala-Heikkila, K. Ungar, I. Hoffman and R. Lawrie,
J. Radioanal. Nuclear Chem., | Journal Article
10.1007/s10967-010-0526-4
Self Weihua Zhang
2010
Beta-gamma coincidence counting efficiency and energy resolution optimization by Geant4 Monte Carlo simulations for a phoswich well detector.
Zhang, W., P. Mekarski and K. Ungar,
Applied Radiat. Isotopes, | Journal Article
10.1016/j.apradiso.2010.06.007
Self Weihua Zhang
2010
An accurate method for the determination of 226Ra activity concentrations in soil.
Zhang, W., K. Ungar, J. Chen, N. St-Amant and B.L. Tracy,
J. Radioanal. Nuclear Chem., | Journal Article
10.1007/s10967-009-7452-3
Self Weihua Zhang
2009
210Pb concentration in household dust: A potential indicator of long-term indoor radon exposure.
Chen, J., W. Zhang, D.G. Sandles, R. Timmins and K. Verdecchia,
Radiat. Environ. Biophys., | Journal Article
10.1007/s00411-009-0243-y
Self Weihua Zhang
2009
Determination of selenium in foods by pseudo-cyclic neutron activation and anti-coincidence gamma-ray spectrometry.
Zhang, W. and A. Chatt,
J. Radioanal. Nuclear Chem., | Journal Article
10.1007/s10967-009-0238-9
Self Weihua Zhang
2009
Development of a phoswich detector system for radioxenon monitoring.
Hennig, W., W.K. Warburton, A. Fallu-Labruyere, K. Sabourov and M.W. Cooper et al.,
J. Radioanal. Nuclear Chem., | Journal Article
10.1007/s10967-009-0181-9
Self Weihua Zhang
2009
Monte Carlo simulation of a PhosWatch detector using Geant4 for xenon isotope beta-gamma coincidence spectrum profile and detection efficiency calculations.
Mekarski, P., W. Zhang, K. Ungar, M. Bean and E. Korpach,
Applied Radiat. Isotopes, | Journal Article
10.1016/j.apradiso.2009.07.005
Self Weihua Zhang
2009
Krypton isotopic signature study of the primary coolant of CANDU nuclear power plant.
Zhang, W., K. Ungar, I. Hoffman and R. Lawrie,
J. Radioanal. Nuclear Chem., | Journal Article
10.1007/s10967-009-0159-7
Self Weihua Zhang
2009
Xenon isotopic signature study of the primary coolant of CANDU nuclear power plant to enhance CTBT verification.
Zhang, W., K. Ungar, I. Hoffman and R. Lawrie,
J. Radioanal. Nuclear Chem., | Journal Article
10.1007/s10967-009-7400-2
Self Weihua Zhang
2009
Measurement of stable and radioactive cesium in natural waters by the diffusive gradients in thin films technique with new selective binding phases.
Li, W., F. Wang, W. Zhang and D. Evans,
Anal. Chem., | Journal Article
10.1021/ac9005974
Self Weihua Zhang
2009
Improved radioxenon gamma-spectrometry counting system and its efficiency calibration: Monte Carlo simulation and experimental results at enriched xenon counting environment.
Zhang, W., K. Ungar and M. Bean,
J. Radioanal. Nuclear Chem., | Journal Article
10.1007/s10967-007-7299-z
Self Weihua Zhang
2009
210Pb in home dust as a possible marker for radon exposure in indoor air.
Li, C., Y.L. Feng, J. Chen, S. Kiser, W. Zhang and J. Zhu,
Health Phys., | Journal Article
10.1097/01.HP.0000319040.06505.4a
Self Weihua Zhang
2008
Statistical analysis of uncertainties of gamma-peak identification and area calculation in particulate air-filter environment radionuclide measurements using the results of a Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) organized intercomparison, Part I: Assessment of reliability and uncertainties of isotope detection and energy precision using artificial spiked test spectra, Part II: Assessment of the true type I error rate and the quality of peak area estimators in relation to type II errors using large numbers of natural spectra.
Zhang, W., M. Zahringer, K. Ungar and I. Hoffman,
Applied Radiat. Isotopes, | Journal Article
10.1016/j.apradiso.2007.10.022
Self Weihua Zhang
2008
LINSSI: Database for gamma-ray spectrometry.
Aarnio, P.A., J.J. Ala-Heikkila, A. Isolankila, A. Kuusi and M. Moring et al.,
J. Radioanal. Nuclear Chem., | Journal Article
10.1007/s10967-008-0610-1
Self Weihua Zhang
2008
Automation of analysis of airborne radionuclides observed in Canadian CTBT radiological monitoring networks using LINSSI.
Ungar, K., W. Zhang, P. Aarnio, J. Ala-Heikkila and H. Toivonen et al.,
J. Radioanal. Nuclear Chem., | Journal Article
10.1007/s10967-007-0517-2
Self Weihua Zhang
2007
Low level noble gas measurements in the field and laboratory in support of the comprehensive nuclear-test-ban treaty.
Stocki, T.J., M. Bean, R.K. Ungar, H. Toivonen, W. Zhang, J. Whyte and D. Meyerhof,
Applied Radiat. Isotopes, | Journal Article
10.1016/j.apradiso.2004.03.051
Self Weihua Zhang
2004
Determination of vanadium by instrumental neutron activation analysis in conjunction with compton suppression gamma-ray spectrometry.
Zhang, W.H. and A. Chatt,
Trans. Am. Nucl. Soc., | Journal Article
Self Weihua Zhang
2000
Determination of copper by neutron activation analysis in conjunction with compton suppression gamma spectrometry.
Zhang, W.H. and A. Chatt,
Trans. Am. Nucl. Soc., | Journal Article
Self Weihua Zhang
2000
Correlation between total and EDTA/DTPA-extractable trace elements in soil and wheat.
Cankur, O., N.K. Aras, I. Olmez, W. Zhang, W.E. Goodwin and A. Chatt,
Biol. Trace Elem. Res., | Journal Article
10.1007/BF02784197
Self Weihua Zhang
1999
Determination of iodine in foods by instrumental, preconcentration and radiochemical neutron activation analysis.
Rao, R.R., W.H. Zhang, J. Holzbecher and A. Chatt,
Trans. Am. Nucl. Soc., | Journal Article
Self Weihua Zhang
1999
Compton suppression spectrometry coupled to instrumental neutron activation for iodine in biological materials.
Zhang, W. and A. Chatt,
Trans. Am. Nucl. Soc., | Journal Article
Self Weihua Zhang
1998
Compton suppression spectrometry for arsenic in biological reference materials.
Zhang, W.H. and A. Chatt,
Trans. Am. Nucl. Soc., | Journal Article
Self Weihua Zhang
1997
Quality assurance program for the determination of selenium in foods and diets by instrumental neutron activation.
Zhang, W. and A. Chatt,
Trans. Am. Nucl. Soc., | Journal Article
Self Weihua Zhang
1996
Preconcentration neutron activation analysis to determine 14 rare earth elements in geological samples.
Zhang, W.,
Nucl. Tech., | Journal Article
Self Weihua Zhang
1994
Correction for interference from iron in the measurement of gallium by MNSR reactor neutron activation analysis.
Zhang, W.,
Rock Miner. Anal., | Journal Article
Self Weihua Zhang
1993
Determination of 29 elements in deep-sea sediments and polymetallic nodules by INAA with MNSR reactor.
Zhang, W.,
Rock Miner. Anal., | Journal Article
Self Weihua Zhang
1992
Determination of multi-elements in sediments by INAA with MNSR reactor.
Weihua, Z. and C. Chuanru,
Rock Miner. Anal., | Journal Article
Self Weihua Zhang
1991
Determination of REE in geological samples at MNSR reactor by instrumental neutron activation analysis.
Zhang, W. and G. Li,
Nucl. Tech., | Journal Article
Self Weihua Zhang
1990