Publications

A. Naseri, T.A. Sipkens, S.N. Rogak, J.S. Olfert (2022). Optimized instrument configurations for tandem particle mass analyzer and single particle-soot photometer experiments. Journal of Aerosol Science. 160 (2022) 105897. (doi: 10.1016/j.jaerosci.2021.105897)

S,P. Seymour, M.R. Johnson (2021) Species Correlation Measurements in Turbulent Flare Plumes: Considerations for Field Measurements, Atmospheric Measurement Techniques Discussions, Accepted preprint version, (doi: 10.5194/amt-2020-472)

M. Kazemimanesh, A. Baldelli, U. Trivanovic, O. Popovicheva, M. Timofeev, N. Shonija, Y. Obvintsev, C. Kuang, A. M. Jefferson, J. C. Corbin, G. G. Goss, D. S. Alessi, M. R. Johnson, S. N. Rogak, J. S. Olfert (2021) Particulate emissions from turbulent diffusion flames with entrained droplets: A laboratory simulation of gas flaring emissions, Journal of Aerosol Science, (doi: 10.1016/j.jaerosci.2021.105807)

O. W. Bello, M. Zamani, E. Abbasi-Atibeh, L.W. Kostiuk, J. S. Olfert (2021) Comparison of emissions from steam- and water-assisted lab-scale flames, Fuel, (doi: 10.1016/j.fuel.2021.121107)

T.A. Sipkens, U. Trivanovic, A. Naseri, O. W. Bello, A. Baldelli, M. Kazemimanesh, Allan K. Bertram, L. W. Kostiuk, J. C. Corbin, J. S. Olfert, S. N. Rogak, (2021) Using two-dimensional distributions to inform the mixing state of soot and salt particles produced in gas flares, Journal of Aerosol Science, (doi: 10.1016/j.jaerosci.2021.105826)

B. M. Conrad, M.R. Johnson (2021) An Uncertainty-Based Protocol for the Setup and Measurement of Soot/Black Carbon Emissions from Gas Flaring using Sky-LOSA, Atmospheric Measurement Techniques, 14:1573-1591 (doi: 5194/amt-14-1573-2021).

M. Zamani, E. Abbasi-Atibeh, S. Mobaseri, H. Ahsan, A. Ahsan, J.S. Olfert, L.W. Kostiuk (2020) An Experimental study on the carbon conversion efficiency and emission indices of air and steam co-flow diffusion jet flames, Fuel, November 2020, 119534 (doi: 10.1016/j.fuel.2020.119534)

A. Naseri, T. A. Sipkens, S. N. Rogak & J. S. Olfert (2020) An improved inversion method for determining two-dimensional mass distributions of non-refractory materials on refractory black carbon, Aerosol Science and Technology, (doi: 10.1080/02786826.2020.1825615)

T.A. Sipkens, J.S. Olfert, S.N. Rogak (2020) Inversion methods to determine two-dimensional aerosol mass-mobility distributions II: Existing and novel Bayesian methods, Journal of Aerosol Science,  Vol 146, August 2020,105565 (doi.org/10.1016/j.jaerosci.2020.105565)

T.A. Sipkens, J.S. Olfert, S.N. Rogak (2020) Inversion methods to determine two-dimensional aerosol mass-mobility distributions: A critical comparison of established methods, Journal of Aerosol Science,  Vol 140, August 2020,105484 (Cover Feature) (doi: 10.1016/j.jaerosci.2019.105484)

B.M. Conrad, J.N. Thornock, M.R. Johnson (2020) The Effect of Multiple Scattering on Optical Measurement of Soot Emissions in Atmospheric Plumes, Journal of Quantitative Spectroscopy & Radiative Transfer, 254:107220 (doi: 10.1016/j.jqsrt.2020.107220).

B.M. Conrad, J.N. Thornock, M.R. Johnson (2020) Beam steering effects on remote optical measurements of pollutant emissions in heated plumes and flares, Journal of Quantitative Spectroscopy & Radiative Transfer,  254:107191 (doi: 1016/j.jqsrt.2020.107191).

M. Kazemimanesh, Kuang, Larry W. Kostiuk, Jason S. Olfert (2020) Effect of sodium chloride on the evolution of size, mixing state, and light absorption of soot particles from a smoking laminar diffusion flame, Combustion and Flame, V 218, 168-178 (doi: 10.1016/j.combustflame.2020.04.001)

U. Trivanovic, T.A. Sipkens, M. Kazemimanesh, A. Baldelli, A.M. Jefferson, B.M. Conrad, M.R. Johnson, J.C. Corbin, J.S. Olfert, S.N. Rogak (2020) Morphology and size of soot from gas flares as a function of fuel and water addition, Fuel, Vol 279:118478 (doi: 1016/j.fuel.2020.118478).

R.M. Miguel, J Emmert, SJ Grauer, J Thornock, KJ Daun, (2020) Optimal Filter Selection for Quantitative Gas Mixture Imaging, Journal of Quantitative Spectroscopy and Radiative Transfer, V 254, October 2020, 107208 (doi: 10.1016/j.jqsrt.2020.107208)

O. Popovicheva, M. Timofeev, N. Persiantseva, A.M. Jefferson, M.R. Johnson, S.N. Rogak, A. Baldelli (2019) Microstructure and chemical composition of particles from small-scale gas flaring, Aerosol and Atmospheric Chemistry, 19(10):2205-2221 (doi: 10.4209/aaqr.2019.04.0177)

B.M. Conrad, M.R. Johnson (2019) Mass Absorption Cross-Section of Flare-Generated Black Carbon: Variability, Predictive Model, and Implications, Carbon, 149:760-771 (doi: 10.1016/j.carbon.2019.04.086)

B.M. Conrad, M.R. Johnson (2019) Split Point Analysis and Uncertainty Quantification of Thermal-Optical Organic/Elemental Carbon Measurements, Journal of Visualized Experiments, 151 (doi: 3791/59742).

A. Baldelli, U. Trivanovic, S.N. Rogak (2019) Electron tomography of soot for validation of 2D image processing and observation of new structural features, Aerosol Science and Technology, 53:5, 575-582, (doi: 10.1080/02786826.2019.1578860)

M. Kazemimanesh, R. Dastanpour, A. Baldelli, A. Moallemi, K.A. Thomson, M. Jefferson, M.R. Johnson, S. Rogak, J.S Olfert (2019) Size, Effective Density, Morphology, and Nano-Structure of Soot Particles Generated from Buoyant Turbulent Diffusion Flames, Journal of Aerosol Science, 132:22-31. (doi: 10.1016/j.jaerosci.2019.03.005)

D.R. Tyner, M.R. Johnson (2018), A Techno-Economic Analysis of Methane Mitigation Potential from Reported Venting at Oil Production Sites in Alberta, Environmental Science & Technology, 52(21):12877-12885 (doi: 10.1021/acs.est.8b01345)

A. Ahsan, H. Ahsan, J.S. Olfert, L.W. Kostiuk (2018) Quantifying the carbon conversion efficiency and emission indices of a lab- scale natural flare with internal coflows of air or steam, Experimental Thermal and Fluid Science, 103:133-142 (doi: 10.1016/j.expthermflusci.2019.01.013)

S.J. Grauer, B.M. Conrad, R.B. Miguel, K.J. Daun (2018) Gaussian Model for Emission Rate Measurement of a Heated Plume using Hyperspectral Data, Quantitative Spectroscopy and Radiative Transfer, 206: 125-134 (doi: 10.1016/j.jqsrt.2017.11.005)

A. Moallemi, M. Kazemimanesh, L.W. Kostiuk, J.S. Olfert (2018) The effect of sodium chloride on the nanoparticles observed in a laminar methane diffusion flame, Combustion and Flame, 188, pp. 273-283. (doi: 10.1016/j.combustflame.2017.10.009)

B.M. Conrad, M.R. Johnson (2017) Field Measurements of Black Carbon Yields from Gas Flaring, Environmental Science & Technology, 51(3): 1893-1900 (doi: 10.1021/acs.est.6b03690)

M.R. Johnson, B.M. Crosland, J.D. McEwen, D.B. Hager, J.R. Armitage, M. Karimi-Golpayegani, D.J. Picard (2016) Potential for Estimating Fugitive Methane Emissions from Oil Sands Mining Using Extractive Core Samples, Atmospheric Environment, 144:111-123 (doi: 10.1016/j.atmosenv.2016.08.073).

S. Schoonbaert, D.R. Tyner, M.R. Johnson (2015) Remote Ambient Methane Monitoring Using Fiber-Optically Coupled Optical Sensors, Applied Physics B, 119(1):133-142. (doi: 10.1007/s00340-014-6001-0)

B.M. Crosland, K.A. Thomson, M.R. Johnson (2015) Simultaneous Instantaneous Measurements of Soot Volume Fraction, Primary Particle Diameter, and Aggregate Size in Turbulent Buoyant Diffusion Flames, Proceedings of the Combustion Institute, 35(2):1851-1859. (doi: 10.1016/j.proci.2014.06.003)

D.R. Tyner, M.R. Johnson (2014) Emission Factors for Hydraulically Fractured Gas Wells Derived Using Well- and Battery-level Reported Data for Alberta, Canada, Environmental Science & Technology, 48(24):14772-14781. (doi: 10.1021/es502815b)

D.J. Corbin, M.R. Johnson (2014) Methodologies and Uncertainties for Measuring Combustion Completion in Turbulent Non-premixed Flames, Industrial Engineering & Chemistry Research, 53(49):19359-19369 (doi: 10.1021/ie502914k).

B.M. Crosland, K.A. Thomson, and M.R. Johnson^* (2013) Instantaneous In-Flame Measurement of Soot Volume Fraction, Primary Particle Diameter and Aggregate Radius of Gyration via Auto-Compensating Laser-Induced Incandescence and Two-angle Elastic Light Scattering, Applied Physics B, 112:381-393 (doi: 10.1007/s00340-013-5539-6).

M.R. Johnson, R.W. Devillers, and K.A. Thomson (2013) A Generalized Sky-LOSA Method to Quantify Soot / Black Carbon Emission Rates in Atmospheric Plumes of Gas Flares, Aerosol Sci. & Technol., 47(9):1017-1029 (doi: 10.1080/02786826.2013. 809401). 

A. Naseri, T.A. Sipkens, S.N. Rogak, J.S. Olfert (2022). Optimized instrument configurations for tandem particle mass analyzer and single particle-soot photometer experiments. Journal of Aerosol Science. 160 (2022) 105897. (doi: 10.1016/j.jaerosci.2021.105897)

M.R. Johnson, A.R. Coderre (2012) Opportunities for CO₂ Equivalent Emissions Reductions via Flare and Vent Mitigation: A Case Study for Alberta, Canada, International Journal of Greenhouse Gas Control, 8:121-131 (doi: 10.1016/j.ijggc.2012.02.004).

C.A. Brereton, M.R. Johnson (2012) Identifying Sources of Fugitive Emissions in Industrial Facilities using Trajectory Statistical Methods, Atmospheric Environment, 51:46-55 (doi: 10.1016/j.atmosenv.2012.01.057).

M.R. Johnson, A.R. Coderre (2012) Compositions and Greenhouse Gas Emission Factors of Flared & Vented Gas in the Western Canadian Sedimentary Basin, Journal of the Air & Waste Management Association, 62(9):992-1002. (doi: 10.1080/10962247.2012.676954).

J.D.N McEwen, M.R. Johnson (2012) Black Carbon Particulate Matter Emission Factors for Buoyancy Driven Associated Gas Flares, Journal of the Air & Waste Management Association, 62(3):307-321. (doi: 10.1080/10473289.2011.650040)

M.R. Johnson, R.W. Devillers, K.A. Thomson (2011) Quantitative Field Measurement of Soot Emission from a Large Gas Flare using Sky-LOSA, Environmental Science & Technology, 45(1):345-350 (doi: 10.1021/es102230y).

M.R. Johnson, A.R. Coderre (2011) An Analysis of Flaring and Venting Activity in the Alberta Upstream Oil and Gas Industry, Journal of Air & Waste Management Association, 61(2):190-201 (doi: 10.3155/1047-3289.61.2.190).