Seth Lyman
Chemistry & Biochemistry
Research Professor and Bingham Center Director

Contact Information
Office Location: Uintah Basin CampusPhone: (435) 722-1740
Email: seth.lyman@usu.edu
Additional Information:
Educational Background
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An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.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
- Lyman, S., (2019). 2019 Annual Report: Uinta Basin Air Quality Research. Utah State University *
Research Reports
- Lyman, S., (2025). Bingham Research Center 2025 Annual Report. *
- Lyman, S., (2024). 2024 Report to the Governor and Legislature on Utah’s Land, Water, and Air. *
- Lyman, S., (2024). Bingham Research Center 2024 Annual Report. *
- Lyman, S., (2020). Uinta Basin Composition Study. *
- Lyman, S., (2020). 2020 Annual Report: Uinta Basin Air Quality Research. Utah State University *
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.