Seth Lyman

Chemistry & Biochemistry

Research Professor and Bingham Center Director


Seth Lyman

Contact Information

Office Location: Uintah Basin Campus
Phone: (435) 722-1740
Email: seth.lyman@usu.edu
Additional Information:

Educational Background

PhD, Environmental Sciences and Health, University of Nevada, Reno, 2009
Investigation of Atmospheric Mercury Concentrations and Dry Deposition Rates usingEstablished and Novel Methods
BS, Conservation Biology, (Political Science), Brigham Young University, 2004

Teaching Interests

I am interested in environmental science, environmental chemistry, biogeochemistry, and pollutant transport and fate.

Research Interests

I research the detection, emissions (including air-surface exchange), transport, chemistry, and fate of atmospheric contaminants.

Awards

Faculty Researcher of the Year, 2022

USU-Uintah Basin

Air Quality Person of the Year, 2020

Utah Clean Air Partnership

Researcher of the Year, 2015

Utah State University-Uintah Basin


Publications | Books

  • Emery, C., Tran, H., Tran, T., Lyman, S., (2025). Comparing the Chemical Mechanisms CB6r5 and RACM2s21 for a Winter Ozone Episode in Utah: International Technical Meeting on Air Pollution Modelling and its Application . Springer Nature *

An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.

Publications | Journal Articles

Academic Journal

  • Lyman, S., (2025). Feasibility of Metal Oxide Glasses and Polymer Membranes as Sorbents for Gaseous Oxidized Mercury. ACS Omega, 10, 47676–47687.
  • Jones, C., Lyman, S., O'Neil, T., (2025). Measurements of organic compound emissions from a produced water disposal vault. Journal of the Air & Waste Management Association, 75, 334- 347.
  • Lawson, J., Lyman, S., (2025). Pixels and predictions: Potential of GPT-4V in meteorological imagery analysis and forecast communication. Artificial Intelligence for the Earth Systems, 4:1, 240029.
  • Lyman, S., (2025). Seasonal trends in the wintertime photochemical regime of the Uinta Basin, Utah, USA. Atmospheric Chemistry and Physics, 25, 11261-11274.
  • Lyman, S., (2025). The effect of precipitation on gaseous oxidized and elemental mercury concentrations as quantified by two types of atmospheric mercury measurement systems. Environmental Science: Atmospheres, 5, 204-219.
  • Davies, M., Lawson, J., O'Neil, T., Lyman, S., Zager, K., (2025). Uinta Basin Snow Shadow: Impact of Snow-Depth Variation on Winter Ozone Formation. Air, 3, 22.
  • Dhar, L., Lyman, S., (2025). Underestimation of atmospheric oxidized mercury at a mountaintop site by the GEOS-Chem chemical transport model. Atmospheric Chemistry and Physics, 25, 16387-16399.
  • Lawson, J., Lyman, S., (2024). A Preliminary Fuzzy Inference System for Predicting Atmospheric Ozone in an Intermountain Basin. Air, 2:3, 337--361.
  • Lyman, S., (2024). Alternate materials for the capture and quantification of gaseous oxidized mercury in the atmosphere. Atmospheric Measurement Techniques , 2024, 1-23.
  • Lyman, S., (2024). Elevated oxidized mercury in the free troposphere: Analytical advances and application at a remote continental mountaintop site. Atmospheric Chemistry and Physics , 24, 9615-9643.
  • Lyman, S., (2024). Elevated Tropospheric Iodine over the Central Continental United States: Is Iodine a Major Oxidant of Atmospheric Mercury? . Geophysical Research Letters , 51, e2024GL109247.
  • Lyman, S., (2024). Limitations and insights regarding atmospheric mercury sampling using gold. Analytica Chimica Acta , 1319, 342956.
  • Lyman, S., (2024). Measurement of Atmospheric Mercury: Current Limitations and Suggestions for Paths Forward. Environmental Science & Technology, 58, 12853-12864.
  • Elgiar, T.R, Lyman, S., (2024). Traceable Calibration of Atmospheric Oxidized Mercury Measurements. Environmental Science & Technology , 58, 10706–10716.
  • Ninneman, M., Lyman, S., (2023). Investigation of Ozone Formation Chemistry during the Salt Lake Regional Smoke, Ozone, and Aerosol Study (SAMOZA). ACS Earth and Space Chemistry, 7, 2521-2534.
  • Dunham-Cheatham, S., Gustin, M., Lyman, S., (2022). Comparison and calibration of methods for ambient reactive mercury quantification. Science of the Total Environment, 856, 159219.
  • Lyman, S., Elgiar, T., Gustin, M., Dunham-Cheatham, S., David, L., Zhang, L., (2022). Evidence against rapid mercury oxidation in photochemical smog. Environmental Science and Technology, 56, 11225-11235.
  • Lyman, S., Mansfield, M., Tran, H., O'Neil, T., (2022). Low NOX and high organic compound emissions from oilfield pumpjack engines. Elementa: Science of the Anthropocene, 10, 00064.
  • Gustin, M.S, Dunham-Cheatham, S.M, Huang, J., Lindberg, S., Lyman, S., (2021). Development of an Understanding of Reactive Mercury in Ambient Air: A Review. Atmosphere, 12:1, 73.
  • Lyman, S., Holmes, M.L, Tran, H.N, Tran, T., O’Neil, T., (2021). High Ethylene and Propylene in an Area Dominated by Oil Production. Atmosphere, 12:1, 1.
  • Lyman, S., (2021). Declining methane emissions and steady, high leakage rates observed over multiple years in a western US oil/gas production basin. Scientific Reports, 11:1, doi: 10.1038/s41598-021-01721-5
  • Mansfield, M., Lyman, S., (2021). Winter Ozone Pollution in Utah's Uinta Basin is Attenuating. Atmosphere, 12, 4. doi: 10.3390/atmos12010004
  • Lyman, S., Gustin, M.S, (2020). Evaluation of sorption surface materials for reactive mercury compounds. Atmospheric Environment, 242, 117836.
  • Lyman, S., Gratz, L.E, Dunham-Cheatham, S.M, Gustin, M.S, Luippold, A., (2020). Improvements to the accuracy of atmospheric oxidized mercury measurements. Environmental Science \& Technology, 54:21, 13379--13388.
  • Gustin, M.S, Bank, M.S, Bishop, K., Bowman, K., Branfireun, B., Ch\'etelat, John, , Eckley, C.S, Hammerschmidt, C.R, Lamborg, C., Lyman, S., others, , (2020). Mercury biogeochemical cycling: A synthesis of recent scientific advances. Science of The Total Environment, 737, 139619.
  • Gustin, M.S, Dunham-Cheatham, S.M, Zhang, L., Lyman, S., Choma, N., Castro, M., (2020). Use of membranes and detailed HYSPLIT analyses to understand atmospheric particulate, gaseous oxidized, and reactive mercury chemistry. Environmental Science \& Technology
  • Luippold, A., Gustin, M.S, Dunham-Cheatham, S.M, Castro, M., Luke, W., Lyman, S., Zhang, L., (2020). Use of multiple lines of evidence to understand reactive mercury concentrations and chemistry in Hawai’i, Nevada, Maryland, and Utah, USA. Environmental Science \& Technology, 54:13, 7922--7931.
  • Lyman, S., , Mansfield, M., (2020). Strong temporal variability in methane fluxes from natural gas well pad soils. Atmospheric Pollution Research / Elsevier, 11, 1386-1395. doi: 10.1016/j.apr.2020.05.011
  • Lyman, S., Cheng, I., Gratz, L.E, Weiss-Penzias, P., Zhang, L., (2020). An updated review of atmospheric mercury. The Science of the total environment, 707, 135575.
  • Lyman, S., Tran, T., Mansfield, M., Ravikumar, A.P, (2019). Aerial and ground-based optical gas imaging survey of Uinta Basin oil and gas wells. Elementa: Science of the Anthropocene, 7:1, 43.
  • Foster, C.S, Crosman, E.T, Horel, J.D, Lyman, S.N, Fasoli, B., Bares, R., Lin, J.C, (2019). Quantifying methane emissions in the Uintah Basin during wintertime stagnation episodes. Elementa, 7:1
  • Lyman, S., Mansfield, M., Tran, H.N, Evans, J.D, Jones, C., O’Neil, T., Bowers, R., Smith, A., Keslar, C., (2018). Emissions of organic compounds from produced water ponds I: Characteristics and speciation. Science of The Total Environment, 619, 896–905.
  • Mansfield, M., Tran, H.N, Lyman, S., Bowers, R.L, Smith, A.P, Keslar, C., (2018). Emissions of organic compounds from produced water ponds III: Mass-transfer coefficients, composition-emission correlations, and contributions to regional emissions. Science of The Total Environment, 627, 860--868.
  • Tran, T., Tran, H., Mansfield, M., Lyman, S., Crosman, E., (2018). Four dimensional data assimilation (FDDA) impacts on WRF performance in simulating inversion layer structure and distributions of CMAQ-simulated winter ozone concentrations in Uintah Basin. Atmospheric Environment, 177, 75--92.
  • Lyman, S., Mansfield, M., (2018). Organic compound emissions from a landfarm used for oil and gas solid waste disposal. Journal of the Air & Waste Management Association, 68:7, 1--6.
  • Zhang, L., Lyman, S., Mao, H., Lin, C., Gay, D.A, Wang, S., Sexauer Gustin, M., Feng, X., Wania, F., (2017). A synthesis of research needs for improving the understanding of atmospheric mercury cycling. Atmospheric Chemistry and Physics, 17:14, 9133–9144.
  • Matichuk, R., Tonnesen, G., Luecken, D., Gilliam, R., Napelenok, S.L, Baker, K.R, Schwede, D., Murphy, B., Helmig, D., Lyman, S., others, , (2017). Evaluation of the Community Multiscale Air Quality Model for simulating Winter Ozone Formation in the Uinta Basin. Journal of Geophysical Research: Atmospheres
  • Lyman, S.N, Watkins, C., Jones, C.P, Mansfield, M.L, McKinley, M., Kenney, D., Evans, J., (2017). Hydrocarbon and Carbon Dioxide Fluxes from Natural Gas Well Pad Soils and Surrounding Soils in Eastern Utah. American Chemical Society, doi: 10.1021/acs.est.7b03408
  • Lyman, S., Jones, C., O’Neil, T., Allen, T., Miller, M., Gustin, M.S, Pierce, A.M, Luke, W., Ren, X., Kelley, P., (2016). Automated Calibration of Atmospheric Oxidized Mercury Measurements. Environmental Science & Technology, 50:23, 12921–12927.
  • Jones, C.P, Lyman, S., Jaffe, D.A, Allen, T., O’Neil, T.L, (2016). Detection and quantification of gas-phase oxidized mercury compounds by GC/MS. Atmospheric Measurement Techniques, 9:5
  • Cohen, M.D, Draxler, R.R, Artz, R.S, Blanchard, P., Gustin, M.S, Han, Y., Holsen, T.M, Jaffe, D.A, Kelley, P., Lei, H., Lyman, S., (2016). Modeling the global atmospheric transport and deposition of mercury to the Great Lakes. Elementa, 4
  • Zatko, M., Erbland, J., Savarino, J., Geng, L., Easley, L., Schauer, A., Bates, T., Quinn, P.K, Light, B., Morison, D., Lyman, S., (2016). The magnitude of the snow-sourced reactive nitrogen flux to the boundary layer in the Uintah Basin, Utah, USA. Atmospheric Chemistry and Physics, 16:21, 13837–13851.
  • Lyman, S., Tran, T., (2015). Inversion structure and winter ozone distribution in the Uintah Basin, Utah, USA. Atmospheric Environment, 123, 156–165.
  • Huang, J., Lyman, S., Hartman, J.S, Gustin, M.S, (2014). A review of passive sampling systems for ambient air mercury measurements. Environmental Science: Processes & Impacts, 16:3, 374–392.
  • Finley, B.D, Jaffe, D.A, Call, K., Lyman, S., Gustin, M.S, Peterson, C., Miller, M., Lyman, T., (2013). Development, testing, and deployment of an air sampling manifold for spiking elemental and oxidized mercury during the Reno Atmospheric Mercury Intercomparison Experiment (RAMIX). Environmental science & technology, 47:13, 7277–7284.
  • Gustin, M.S, Huang, J., Miller, M.B, Peterson, C., Jaffe, D.A, Ambrose, J., Finley, B.D, Lyman, S., Call, K., Talbot, R., others, , (2013). Do we understand what the mercury speciation instruments are actually measuring? Results of RAMIX. Environmental science & technology, 47:13, 7295–7306.
  • Ambrose, J.L, Lyman, S., Huang, J., Gustin, M.S, Jaffe, D.A, (2013). Fast time resolution oxidized mercury measurements during the Reno Atmospheric Mercury Intercomparison Experiment (RAMIX). Environmental science & technology, 47:13, 7285–7294.
  • Lyman, S., Jaffe, D.A, (2012). Formation and fate of oxidized mercury in the upper troposphere and lower stratosphere. Nature Geoscience, 5:2, 114–117.
  • Weiss-Penzias, P.S, Gustin, M.S, Lyman, S., (2011). Sources of gaseous oxidized mercury and mercury dry deposition at two southeastern US sites. Atmospheric environment, 45:27, 4569–4579.
  • Lyman, S., Gustin, M.S, Prestbo, E.M, (2010). A passive sampler for ambient gaseous oxidized mercury concentrations. Atmospheric Environment, 44:2, 246–252.
  • Peterson, C., Gustin, M., Lyman, S., (2009). Atmospheric mercury concentrations and speciation measured from 2004 to 2007 in Reno, Nevada, USA. Atmospheric Environment, 43:30, 4646–4654.
  • Lyman, S., Gustin, M.S, (2009). Determinants of atmospheric mercury concentrations in Reno, Nevada, USA. Science of the total environment, 408:2, 431–438.
  • Weiss-Penzias, P., Gustin, M.S, Lyman, S., (2009). Observations of speciated atmospheric mercury at three sites in Nevada: Evidence for a free tropospheric source of reactive gaseous mercury. Journal of Geophysical Research: Atmospheres, 114:D14
  • Lyman, S., Gustin, M.S, Prestbo, E.M, Kilner, P.I, Edgerton, E., Hartsell, B., (2009). Testing and application of surrogate surfaces for understanding potential gaseous oxidized mercury dry deposition. Environmental science & technology, 43:16, 6235–6241.
  • Lyman, S., Gustin, M.S, (2008). Speciation of atmospheric mercury at two sites in northern Nevada, USA. Atmospheric Environment, 42:5, 927–939.
  • Lyman, S., Gustin, M.S, Prestbo, E.M, Marsik, F.J, (2007). Estimation of dry deposition of atmospheric mercury in Nevada by direct and indirect methods. Environmental science & technology, 41:6, 1970–1976.
  • Stamenkovic, J., Lyman, S., Gustin, M.S, (2007). Seasonal and diel variation of atmospheric mercury concentrations in the Reno (Nevada, USA) airshed. Atmospheric Environment, 41:31, 6662–6672.
  • Gustin, M.S, Engle, M., Ericksen, J., Lyman, S., Stamenkovic, J., Xin, M., (2006). Mercury exchange between the atmosphere and low mercury containing substrates. Applied Geochemistry, 21:11, 1913–1923.

Professional Journal

    An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.

    Publications | Technical Reports

    AES Reports

    Research Reports

    An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.

    Publications | Other

    Other

    • Lyman, S., (2014). Progress on understanding atmospheric mercury hampered by uncertain measurements. American Chemical Society

    An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.

    Teaching

    ENVS 1350 - Introduction to Environmental Science, Spring 2025
    ENVS, ENVS, ENVS, ENVS, ENVS, ENVS, ENVS, ENVS, ENVS, ENVS, ENVS 1350, 1350, 1350, 1350, 1350, 1350, 1350, 1350, 1350, 1350, 1350 - Introduction to Environmental Science (BLS), Spring 2025
    ADVS 6900 - Special Problems: Atmospheric Chemistry, Summer 2022
    CHEM 4800 - Research Problems, Summer 2019

    Graduate Students Mentored

    Loknath Dhar, Chemistry & Biochemistry
    Tyler Elgiar, Animal, Dairy & Vet Sciences - August 2023