Publications
Peer reviewed journal articles, book chapters, and reports
68. Identifying NOx Sources in Arequipa, Peru Using Nitrogen Isotopes in Particulate Nitrate
Greg Michalski, Adriana E. Larrea Valdivia, Elizabeth Olson, Lisa Welp, Huan Fang, Kento Magara-Gomez, Lino Morales Paredes, Juan Reyes Larico, and Jianghanyang Li
67. Assessing the roles emission sources and atmospheric processes play in simulating δ15N of atmospheric NOx and NO -3 using CMAQ (version 5.2.1) and SMOKE (version 4.6)
Huan Fang and Greg Michalski
66. A diurnal story of Δ17O(NO -3) in urban Nanjing and its implication for nitrate aerosol formation
Yan-Lin Zhang, Wenqi Zhang, Mei-Yi Fan, Jianghanyang Li, Huan Fang, Fang Cao, Yu-Chi Lin, Benjamin Paul Wilkins, Xiaoyan Liu, Mengying Bao, Yihang Hong, and Greg Michalski
65. The Dominant Role of the Water Column in Nitrogen Removal and N2O Emissions in Large Rivers
Junfeng Wang, Xinghui Xia, Shaoda Liu, Sibo Zhang, Ling Zhang, Chenrun Jiang, Zhenrui Zhang, Yuan Xin, Xin Chen, Jing Huang, Jiaao Bao, William H. McDowell, Greg Michalski, Zhifeng Yang, and Jun Xia
64. Evaluating groundwater nitrate and other physicochemical parameters of the arid and semiarid district of DI Khan by multivariate statistical analysis, Asif Khan, Muhammad Naeem, Ivar Zekker, Muhammad Balal Arian, Greg Michalski, Abbas Khan, Nasrullah Shah, Syed Zeeshan, Hameed ul Haq, Fazle Subhan, Muhammad Ikram, Muhammad Ishaq Ali Shah, Idrees Khan, Luqman Ali Shah, Muhammad Zahoor & Amama Khurshed, Oct. 2021.
63. Formation Mechanisms and Source Apportionments of Airborne Nitrate Aerosols at a Himalayan-Tibetan Plateau Site: Insights from Nitrogen and Oxygen Isotopic Compositions, Yu-Chi Lin, Yan-Lin Zhang, Mingyuan Yu, Mei-Yi Fan, Feng Xie, Wen-Qi Zhang, Guangming Wu, Zhiyuan Cong, and Greg Michalski, Sept. 2021
62. iNRACM: incorporating 15N into the Regional Atmospheric Chemistry Mechanism (RACM) for assessing the role photochemistry plays in controlling the isotopic composition of NOx, NOy, and atmospheric nitrate, Huan Fang, Wendell W. Walters, David Mase, and Greg Michalski, Aug. 2021.
61. Multivariate statistical analysis of heavy metals and physicochemical parameters in the groundwater of Karak District, Khyber Pakhtunkhwa, Pakistan, Asif Khana, Muhammad Naeem, Ivar Zekker, Muhammad Balal Arian, Greg Michalski, Syed Zeeshan, Hameed ul Haq, Muhammad Ikram, Abbas Khan, Fazle Subhan, Yahya Jani, Zane VincevicaGaile, Muhammad Zahoor, Indrees Khan, and Muhammad Ishaq Ali Shah, Aug. 2021
60. Global patterns of nitrate isotope composition in rivers and adjacent aquifers reveal reactive
nitrogen cascading, Ioannis Matiatos, Leonard I. Wassenaar, Lucilena R. Monteiro, Jason J. Venkiteswaran, Daren C. Gooddy, Pascal Boeckx, Elisa Sacchi, Fu‐Jun Yue, Greg Michalski, Carlos Alonso-Hernández, Christina Biasi, Lhoussaine Bouchaou, Nandana V. Edirisinghe, Widad Fadhullah, Joseph R. Fianko, Alejandro García-Moya, Nerantzis Kazakis, Si-Liang Li, Minh T. N. Luu, Sakhila Priyadarshanee, Viviana Re, Diego S. Rivera, Asunción Romanelli, Prasanta Sanyal, Fredrick Tamooh, Duc A. Trinh, Wendell Walters, and Nina Welti, Feb. 2021
59. Nitrate Δ17O tracer method for determining gross nitrification rates, Fan Wang, Woradee Werayawarangura, Krystin Riha, Sam Raimann, Michael J. Gosney, Michael V. Mickelbart, and Greg Michalski, Feb. 2021.
58. Important contributions of non-fossil fuel nitrogen oxides emissions, Wei Song, Xue-Yan Liu, Chao-Chen Hu, Guan-Yi Chen, Xue-Jun Liu, Wendell W. Walters, Greg Michalski, and Cong-Qiang Liu, Jan. 2021.
57. Stable Isotopes of Nitrate, Sulfate, and Carbonate in Soils From the Transantarctic Mountains, Antarctica: A Record of Atmospheric Deposition and Chemical Weathering, Melisa A. Diaz, Jianghanyang Li, Greg Michalski, Thomas H. Darrah,Byron J. Adams, Diana H. Wall, Ian D. Hogg, Noah Fierer, Susan A. Welch,Christopher B. Gardner, and W. Berry Lyons, Frontiers in Earth Science, Aug. 27, 2020.
56. Quantifying the nitrogen isotope effects during photochemical equilibrium between NO and NO2: implications for δ15N intropospheric reactive nitrogen, Jianghanyang Li, Xuan Zhang, John Orlando, Geoffrey Tyndall, and Greg Michalski, Atmospheric Chemistry and Physics, Aug. 21, 2020.
55. Multiyear Measurements on Δ17O of Stream Nitrate Indicate High Nitrate Production in a Temperate Forest, Shaonan Huang, Fan Wang, Emily M. Elliott, Feifei Zhu, Weixing Zhu, Keisuke Koba, Zhongjie Yu,Erik A. Hobbie, Greg Michalski, Ronghua Kang, Anzhi Wang, Jiaojun Zhu, Shenglei Fu,and Yunting Fang, Environmental Science and Technology. March 11, 2020.
54. Stable Sulfur Isotopes Revealed a Major Role of Transition-MetalIon-Catalyzed SO2 Oxidation in Haze Episodes, Jianghanyang Li, Yan-Lin Zhang,*Fang Cao, Wenqi Zhang, Meiyi Fan, Xuhui Lee, and Greg Michalski, Environmental Science and Technology, Jan. 16, 2020.
53. Modern Meteoric 36Deposition in the Atacama Desert, ChileFan Wang and Greg Michalski, Geophysical Research Letters, 2020.
52. Triple oxygen isotopic evidence for atmospheric nitrate and its application in source identification for river systems in the Qinghai-Tibetan PlateauXinghui Xiaa, Siling Lia,FanWang, Sibo Zhang, Yunting Fang, Jianghanyang Li,Greg Michalski, Liwei Zhang, Science of the Total Environment, 2019.
51. Assessing the Seasonal Dynamics of Nitrate and Sulfate Aerosols at the South Pole Utilizing Stable Isotopes, Wendell W. Walters, Greg Michalski, J. K. Böhlke, Becky Alexander, Joël Savarino, and Mark H. Thiemens, AGU 100 Advancing Earth and Space Science, July 22, 2019.
50. Atmospheric deposition across the Atacama Desert, Chile: Compositions, source distributions, and interannual comparisons, Jianghanyang Li , Fan Wang, Greg Michalskia, Benjamin Wilkins, Chemical Geology, July 30, 2019.
49. Partitioning between atmospheric deposition and canopy microbial nitrification into throughfall nitrate fluxes in a Mediterranean forest, Rossella Guerrieri, Lucas Lecha, Stefania Mattana, Joan Cáliz, Emilio O. Casamayor, Anna Barceló, Greg Michalski, Josep Peñuelas, Anna Avila, Maurizio Mencuccini, Journal of Ecology, Sept. 10 2019.
48. Isotopic evidence for enhanced fossil fuel sources of aerosol ammonium in the urban atmosphere
Yuepeng Pan, Shili Tian, Dongwei Liu, Yunting Fang, Xiaying Zhu, Meng Gao, Jian Gao, Greg Michalski, Yuesi Wang, Environmental Pollution, 2018
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47. Investigating source contributions of size-aggregated aerosols collected in southern ocean and Baring Head, New Zealand using sulfur isotopes
Jianghanyang Li, Greg Michalski, Perry Davy, Mike Harvey, Tanya Katzman, Benjamin Wilkins, Geophysical Research Letters, 2018
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46. Laboratory and field characterization of visible to near-infrared spectral reflectance of nitrate minerals from the Atacama Desert, Chile, and implications for Mars
Fan Wang, Brenda B. Bowen, Ji-Hye Seo, Greg Michalski, American Mineralogist, 2018
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45. Summer diurnal variations in the isotopic composition of atmospheric nitrogen dioxide at a small midwestern United States city
Wendell W. Walters, Huan Fang, Greg Michalski, Atmospheric Environment, 2018
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44. Role of biological soil crusts in affecting soil evolution and salt geochemistry in hyper-arid Atacama Desert, Chile
Fan Wang, Greg Michalski, Hao Luo, Marc Caffee Geoderma, 2017
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43. Occurrence and delineation of high nitrate contamination in the groundwater of Mithi sub-district, Thar Desert, Pakistan
Faisal Soomro, Tahir Rafique, Greg Michalski, Syed Azhar Ali, Shahid Naseem, Muhammed Usman Khan Environmental Earth Sciences, 2017
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42. Ab initio study of nitrogen and position-specific oxygen kinetic isotope effects in the NO + O3 reaction
Wendell W. Walters, Greg Michalski American Institute of Physics, 2016
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41. Enhanced nitrogen loss from rivers through coupled nitrification-denitrification caused by suspended sediment
Xinghui Xia, Ting Liu, Zhifeng Yang, Greg Michalski, Shaoda Liu, Zhimei Jia, Sibo Zhang Science of the Total Environment, 2016
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40. Can stable oxygen and hydrogen isotopes from Australian subfossil Chironomus head capsules be used as proxies for past temperature change?
Jie Christine Chang, James Shulmeister, Craig Woodward, Greg Michalski Journal of Paleolimnology, 2016
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39. Fossil Fuel Combustion-Related Emissions Dominate Atmospheric Ammounia Sources during Severe Haze Episodes
Yuepeng Pan, Shili Tian, Dongwei Liu, Yunting Fang, Xiaying Zhu, Qiang Zhang, Bo Zheng, Greg Michalski, and Yuesi Wang Environmental Science & Technology, 2016
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38. Nitrate, perchlorate, and iodate co-occur in coast and inland deserts on Earth
Rebecca A. Lybrand, James G. Bockheimb, Wensheng Ge, Robert C. Grahama, Stephan R. Hlohowskyj, Greg Michalski, Joel S. Prellwitz, Jason A. Rechf, Fan Wang, David R. Parker Chemical Geology 2016
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37. Theoretical calculation of oxygen equilibrium isotope fractionation factors involving various NOy molecules, OH, and H2O and its implications for isotope variations in atmospheric nitrate
Wendell W. Walters, Greg Michalski Geochimica et Cosmochimica Acta 2016
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36. The Soil Geochemistry in the Beardmore Glacier Region, Antarctica: Implications for Terrestrial Ecosystem History
W. B. Lyons, K. Deuerling, K. A. Welch, S. A. Welch, G. Michalski, W. W. Walters, U. Nielsen, D. H. Wall, I. Hogg & B. J. Adams Scientific Reports, 2016
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35. Nitrogen isotope exchange between NO and NO2 and its implications for 15N variations in tropospheric NOx and atmospheric nitrate
Wendell W. Walters, Damian S. Simonini, Greg Michalski Geophysical Research Letters, 2016
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34. Oxygen-17 anomaly in soil nitrate: A new precipitation proxy for desert landscapes
Fan Wang, Wensheng Ge, Hao Luo, Ji-Hye Seo, Greg Michalski Earth and Planetary Science Letters, 2016
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33. Nitrogen Isotope Composition of Thermally Produced NOx from Various Fossil-Fuel Combustion Sources
Wendell W. Walters, Bruce D. Tharp, Huan Fang, Brian J. Kozak, and Greg Michalski Environ. Sci. Technol., DOI: 10.1021/acs.est.5b02769. 2015
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32. Isotopic evidence for the occurrence of biological nitrification and nitrogen deposition processing in forest canopies
Guerrieri R, Vanguelova E, Michalski G, Heaton THE, Mencuccini M. Global Change Biology, 2015
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31. Beryllium-10 concentrations in the hyper-arid soils in the Atacama Desert, Chile: Implications for arid soil formation rates and El Niño driven changes in Pliocene precipitation
F. Wang, G. Michalski, J. Seo, DE. Granger, N. Lifton, M. Caffee. Geochimica et Cosmochimica Acta 160 (2015) 227–242.
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30. Theoretical calculation of nitrogen isotope equilibrium exchange fractionation factors for various NOy molecules.
WW. Walters, G Michalski. Geochimica et Cosmochimica Acta 164 (2015) 284–297
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29. Oxygen and nitrogen isotopic composition of nitrate in commercial fertilizers, nitric acid, and reagent salts.
G. Michalski, M. Kolanowski & KM. Riha. Isotopes in Environmental and Health Studies. DOI:10.1080/10256016.2015.1054821
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28. Nitrogen Stable Isotope Composition (δ15N) of Vehicle-Emitted NOx
Wendell W. Walters, Stanford R. Goodwin, and Greg Michalski, Environ. Sci. Technol., 2015 DOI: 10.1021/es505580v
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27. High Atmospheric Nitrate Inputs and Nitrogen Turnover in Semi-arid Urban Catchments
Riha, K. M., G. Michalski, E. L. Gallo, K. A. Lohse, P. D. Brooks and T. Meixner,, Ecosystems, 2014, 17(8), 1309-1325
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26. Geochemical, isotopic, and mineralogical constraints on atmospheric deposition in the hyper-arid Atacama Desert
Chile, Wang, F., G. Michalski, J. H. Seo and W. S. Ge, Geochim. Cosmochim. Acta, 2014, 135, 29-48
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25. Sources and Transport of Nitrogen in Arid Urban Watersheds
Hale, R. L., L. Turnbull, S. Earl, N. Grimm, K. Riha, G. Michalski, K. A. Lohse and D. Childers, Envir. Sci. Tech., 2014, 48(11), 6211-6219
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24. NOx cycle and the tropospheric ozone isotope anomaly: an experimental investigation
Michalski, G., S. Bhattacharya and G. Girsch, Atm. Chem. Phys., 2014, 14(10), 4935-4953
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23. A new feature in the internal heavy isotope distribution in ozone
Bhattacharya, S., J. Savarino, G. Michalski and M. C. Liang, J. Chem. Phys., 2014, 141(13),
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22. Using 15N, 17O, and 18O To Determine Nitrate Sources in the Yellow River, China
Liu, T., F. Wang, G. Michalski, X. H. Xia and S. D. Liu, Envir. Sci. Tech., 2013, 47(23), 13412-13421
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21. The geochemical associations of nitrate and naturally formed perchlorate in the Mojave Desert, California, USA
Lybrand, R. A., G. Michalski, R. C. Graham and D. R. Parker, Geochim. Cosmochim. Acta, 2013, 104, 136-147
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20. Using 17O to Investigate Nitrate Sources and Sinks in a Semi-Arid Groundwater System
Dejwakh, N. R., T. Meixner, G. Michalski and J. McIntosh, Envir. Sci. Tech., 2012, 46(2), 745-751
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19. Analysis of atmospheric inputs of nitrate to a temperate forest ecosystem from Δ17O isotope ratio measurements
Costa, A. W., G. Michalski, A. J. Schauer, B. Alexander, E. J. Steig and P. B. Shepson, Geophys. Res. Lett., 2011, 38,
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18. Oxygen Isotope Dynamics of Atmospheric Nitrate and Its Precursor Molecules
Michalski, G., S. K. Bhattacharya and D. Mase, The Handbook of Environmental Isotope Geochemistry, 2011, edited by M. Baskaran, 613-638
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17. Multiple Isotope Forensics of Nitrate in a Wild Horse Poisoning Incident
Michalski, G., Earman, S., Dahman, C., Hershey, R.L., Mihevc, T., 2010,
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16. Purification procedure for δ15N, δ18O, Δ17O analysis of nitrate
G. Michalski, International Journal of Environmental Analytical Chemistry Volume: 90 Issue: 7 Pages: 586-590, 2010
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15. The Role of Symmetry in the Mass Independent Isotope Effect in Ozone
Michalski, G. and Bhattacharyab, S.K., 2009,
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14. Nitrous Oxide Production in an Eastern Corn Belt Soil: Sources and Redox Range
Michalski, G., Hernandez-Ramirez*, G., Brouder, S. M., Smith, D. R., Van Scoyoc, G.E., 2009,
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13. Uncertainties in the oxygen isotopic composition of barium sulfate induced by coprecipitation of nitrate
Greg Michalski1*, Michelle Kasem, Jason A. Rech3, Sabine Adieu, William S. Showers, Bernie Genna and Mark Thiemens, 2008,
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12. The Use of Multi-Isotope Ratio Measurements as a New and Unique Technique to Resolve NOx Transformation, Transport and Nitrate, Deposition in the Lake Tahoe Basin Final Report the California Air Resources Board and the California Environmental Protection Agency
Greg Michalski and Mark Thiemens, 2008,
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11. Evaluation of Chemical Data from Samples Collected February 2008 at the Cactus Flat Main Lake Depression and Surrounding Area, Nevada Test and Training Range
Sam Earman, Ronald L. Hershey, Greg Michalski, Christa Dahman, Todd Mihevc, 2008,
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10. Rainfall limit of the N cycle on Earth
Ewing, S. A., G. Michalski, M. Thiemens, R. C. Quinn, J. L. Macalady, S. Kohl, S. D. Wankel, C. Kendall, C. P. McKay, and R. Amundson, Global Biogeochem., 2007, Cycles, 21, GB3009, doi:10.1029/2006GB002838.,
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9. Neogene climate change and uplift in the Atacama Desert, Chile
Rech, J. A., B. S. Currie, G. Michalski and A. M. Cowan, Geology, 2006, 34(9), , 761-764
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8. Comparison of rovibronic density of asymmetric versus symmetric NO2 isotopologues at dissociation threshold: Broken symmetry effects
Jost, R., G. Michalski and M. Thiemens, J. Chem. Phys., 2005, 123(5),
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7. Isotopic composition of Antarctic Dry Valley nitrate: Implications for NOy sources and cycling in Antarctica
Michalski, G., J. G. Bockheim, C. Kendall, and M. Thiemens, Geophys.Res.Lett., 2005, 32,
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6. Long Term Atmospheric Deposition as the Source of Nitrate and Other Salts in the Atacama Desert, Chile : New Evidence from Mass-Independent Oxygen Isotopic Compositions
Michalski, G., J. K. Böhlke, and M. H. Thiemens, Geochim.Cosmochim.Acta, 2004, 68 , 4023-4038
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Tracing atmospheric nitrate deposition in a complex semiarid ecosystem using Δ17O
Michalski, G., T. Meixner, M. Fenn, L. Hernandez, A. Sirulnik, E. Allen, and M. Thiemens, Envir.Sci.Tech., 2004, 38, 2175-2181
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5. Dissociation energies of six NO2 isotopologues by laser induced fluorescence and zero point energy of some triatomic molecules
Michalski, G., R. Jost, D. Sugny, M. Joyeux, and M. Thiemens, J. Chem.Phys., 2004, 121 , 7153-7161
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4. First Measurements and Modeling of Δ17O in Atmospheric Nitrate
Michalski, G., Z. Scott, M. Kabiling, and M. Thiemens, Geophys.Res.Lett. , 2003, 30, doi:10.1029GL017015, 1870
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3. Determination of the total oxygen isotopic composition of nitrate and the calibration of a Δ17O nitrate reference material
Michalski, G., J. Savarino, J. K. Böhlke, and M. Thiemens, Anal.Chem., 2002, 74, 4989-4993
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2. Preparation and analysis of nitrogen-bearing compounds in water for stable isotope ratio measurement
Chang, C. C. Y., S. R. Silva, C. Kendall, G. Michalski, S. Wankel, and K. L. Casciotti, edited by P. A. DeGroot, Handbook of Stable Isotope Analytical Techniques, 2004, 1, Elsevier Amsterdam, 305-347
1. Sulfate oxygen-17 anomalies in desert varnishes
Bao, H., G. M. Michalski, and M. H. Thiemens, Geochim.Cosmochim.Acta, 2001, 65 , 2029-2036
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PhD. Dissertations
Unraveling the fingerprints of NOx using stable isotopes: Implications for NOx source partitioning and oxidation chemistry
Walters, W., 2016
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The use of stable isotopes and particulate matter in the investigation of local and regional atmospheric chemistry
Katzman, T., 2014
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The use of stable isotopes to constrain the nitrogen cycle
Riha, K., 2014
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The mechanism and timescales of soil formation in the hyper-arid Atacama Desert, Chile
Wang, F., 2013
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Master Thesis
Nitrogen and oxygen isotope-ratio analysis of nitrate by the denitrifier method using continuous flow isotope-ratio mass spectrometry.
Crawley, L. 2010
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A coupled modeling and observational approach to understanding Oxygen-18 in atmospheric nitrate.
Mase, D., 2010
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Evaluating NOx sources and oxidation pathways impacting aerosol production on the Southern Ute Indian Reservation and Navajo Nation using geochemical isotopic analysis.
King, M. 2013
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Investigation of isotope effects of ozone as a function of temperature.
McMahon, D., 2014
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Journal of Purdue Undergraduate Research
Is Distant Pollution Contaminating Local Air? Analyzing the Origins of Atmospheric Aerosols.
Geng, D. 2012
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Solving the Mystery of the Atacama Nitrate Deposits: The Use of Stable Oxygen Isotope Analysis and Geochemistry.
Soe, J. 2011
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