Dr. Greg Michalski

Professor

gmichals@purdue.edu
Curriculum Vitae
Associated website(s):

Google Scholar , Personal Website , Environmental Geosciences

Education

2003 PhD, Chemistry, University of California, San Diego
2001 MS, Chemistry, University of California, San Diego
1998 BS, Environmental Chemistry, University of California, San Diego

Research Interests

Stable isotope geochemistry, Physical Chemistry of Isotope Fractionations, Paleoclimatology, Isotopes in Atmospheric Chemistry, Evolution of Planetary Atmospheres, Global Nitrogen, Sulfur and Carbon Cycling, Desert Paleosols as Paleoclimate Proxies.

Teaching Interests

EAPS 104 Oceanography

EAPS 521 Atmospheric Chemistry

EAPS 591 Stable Isotope Forensics and Biogeochemistry

Honors

2002 National Science Foundation Doctoral Enhancement Award

Selected Publications - Google Scholar Page for a complete list of publications

Fan, M.-Y., Zhang, W., Zhang, Y.-L., Li, J., Fang, H., Cao, F., et al. (2023). Formation mechanisms and source apportionments of nitrate aerosols in a megacity of eastern China based on multiple isotope observations. Journal of Geophysical Research: Atmospheres, 128, e2022JD038129. https://doi .
Welp, L. R., Olson, E. J., Valdivia, A. L., Larico, J. R., Arhuire, E. P., Paredes, L. M., et al. (2022). Reinterpreting precipitation stable water isotope variability in the Andean Western Cordillera due to sub-seasonal moisture source changes and sub-cloud evaporation. Geophysical Research Letters, 49, e2022GL099876. https://doi.org/10.1029/2022GL...
hi-Li Chen, Wei Song, Chao-Chen Hu, Xue-Jun Liu, Guan-Yi Chen, Wendell W. Walters, Greg Michalski, Cong-Qiang Liu, David Fowler & Xue-Yan Liu. Significant contributions of combustion related sources to ammonia emissions. Nature Communications. https://doi.org/10.1038/s41467...
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.
Quantifying the nitrogen isotope effects during photochemical equilibrium between NO and NO2: implications for ¹⁵ intropospheric reactive nitrogen, Jianghanyang Li, Xuan Zhang, John Orlando, Geoffrey Tyndall, and Greg Michalski, Atmospheric Chemistry and Physics, Aug. 21, 2020.
Multiyear Measurements on ¹⁷ of Stream Nitrate Indicate High Nitrate Production in a Temperate Forest. S., F. Wang, E.M. Elliott, F. Zhu, W. Zhu, K. Koba, Z. Yu, E. A. Hobbie, G. Michalski , R. Kang, A. Wang, J. Zhu, S. Fu, Yunting Fang. Environmental Science & Technology, Articles ASAP (Article) Publication Date (Web):March 11, 2020DOI:10.1021/acs.est.9b07839 (pdf)
Stable Sulfur Isotopes Revealed a Major Role of Transition-Metal Ion-Catalyzed SO ² Oxidation in Haze Episodes. J. Li, Y.L. Zhang, F. Cao, W. Zhang, M. Fan, X. Lee, and G. Michalski (2020), Environmental Science & Technology, doi:10.1021/acs.est.9b07150 .
Partitioning between atmospheric deposition and canopy microbial nitrification into throughfall nitrate fluxes in a Mediterranean forest., R. Guerrieri, Lecha, L., Mattana, S., J. Cáliz, E.O. Casamayor, A. Barceló, G. Michalski J. Peñuelas, A. Avila, M. Mencuccini. Journal of Ecology. 2020; 108: 626-- 640. https://doi.org/10.1111/1365-2745.13288 . (pdf)
Modern Meteoric ³⁶ Deposition in the Atacama Desert, ChileFan Wang and Greg Michalski, Geophysical Research Letters, 2020.
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. ( pdf )
Atmospheric deposition across the Atacama Desert, Chile: Compositions, source distributions, and interannual comparison Li, J. H. Y., F. Wang, G. Michalski , and B. Wilkins (2019), Chemical Geology, 525, 435-446, doi:10.1016/j.chemgeo.2019.07.037. (pdf)
Assessing the Seasonal Dynamics of Nitrate and Sulfate Aerosols at the South Pole Utilizing Stable Isotopes, W. W., G. Michalski , J. K. Bohlke, B. Alexander, J. Savarino, and M. H. Thiemens (2019), Journal of Geophysical Research-Atmospheres, 124(14), 8161-8177, doi:10.1029/2019jd030517. (pdf)
Triple oxygen isotopic evidence for atmospheric nitrate and its application in source identification for river systems in the Qinghai-Tibetan Plateau, Liu, X.H., S.L. Li, F. Wang, S.B. Zhang, Y.T. Fang, J.H. Y. Li, G. Michalski , and L.W. Zhang (2019), Science of the Total Environment, 688, 270-280, doi:10.1016/j.scitotenv.2019.06.204 (pdf)
Walters W.W., H. Fang, and G. Michalski . (2018) Summertime diurnal variations in the isotopic composition of atmospheric nitrogen dioxide at a small midwestern United States city. Atmospheric Environment . Volume 179, Pages 1–11 https://doi.org/10.1016/j.atmosenv.2018.01.047
Walters, W.W., Simonini, D.S. Michalski, G. Nitrogen isotope exchange between NO and NO2 and its implications for δ15N variations in tropospheric NOx and atmospheric nitrate (2015) Geophys. Res. Lettrs., 2016 Vol. 43, 440–448 DOI: 10.1002/2015GL066438
Michalski G., Kolanowski M. and Riha K. M. (2015) Oxygen and nitrogen isotopic composition of nitrate in commercial fertilizers, nitric acid, and reagent salts. Isotopes Environ. Health Stud . 51, 382–391.
Wang F., Michalski G. , Seo J.-H., Granger D. E., Lifton N. and Caffee M. (2015) Beryllium-10 concentrations in the hyper-arid soils in the Atacama Desert, Chile: Implications for arid soil formation rates and El Nino driven changes in Pliocene precipitation. Geochim. Cosmochim. Acta 160, 227–242.
Michalski G ., Kolanowski M. and Riha K. M. (2015) Oxygen and nitrogen isotopic composition of nitrate in commercial fertilizers, nitric acid, and reagent salts. Isotopes Environ. Health Stud. 51, 382–391.