Alan Fried

Alan Fried

Senior Research Associate


Contact Information

(Office) 303 492-7559


Attmospheric processes and chemical transformations; advanced laser technology for atmospheric research, including trace gas detection




Tzompa-Sosa, Z. A., Henderson, B. H., Keller, C. A., Travis, K., Mahieu, E., Franco, B., Estes, M., Helmig, D., Alan FriedDirk RichterPetter WeibringJames Walega, Blake, D. R, Hannigan, J. W., Ortega, I., Conway, S., Strong, K., Fischer, E. V. 2019: Atmospheric implications of large C2-C5 alkane emissions from the US oil and gas industry. Journal of Geophysical Research—Atmospheres, 124(2): 1148-1169. DOI: 10.1029/2018JD028955

Barkley, Z. R., Lauvaux, T., Davis, K. J., Deng, A., Alan FriedPetter WeibringDirk RichterJames Walega, DiGangi, J., Ehrman, S. H., Ren, X., Dickerson, R. R. 2019: Estimating methane emissions from underground coal and natural gas production in southwestern Pennsylvania. Geophysical Research Letters, 46(8): 4531-4540. DOI: 10.1029/2019GL082131

Chen, X., Millet, D. B., Singh, H. B., Wisthaler, A., Apel, E. C., Atlas, E. L., Blake, D. R., Bourgeois, I., Brown, S. S., Crounse, J. D., de Gouw, J. A., Flocke, F. M., Alan Fried, Heikes, B. G., Hornbrook, R. S., Mikoviny, T., Min, K.-E., Mueller, M., Neuman, J. A., O'Sullivan, D. W., Peischl, J., Pfister, G. G., Dirk Richter, Roberts, J. M., Ryerson, T. B., Shertz, S. R., Thompson, C. R., Treadaway, V., Veres, P. R., James Walega, Warneke, C., Washenfelder, R. A., Petter Weibring, Yuan, B. 2019: On the sources and sinks of atmospheric VOCs: An integrated analysis of recent aircraft campaigns over North America. Atmospheric Chemistry and Physics, 19(14): 9097-9123. DOI: 10.5194/acp-19-9097-2019

Simon, H., Valin, L. C., Baker, K. R., Henderson, B. H., Crawford, J. H., Pusede, S. E., Kelly, J. T., Foley, K. M., Owen, C. R., Cohen, R. C., Timin, B., Weinheimer, A. J., Possiel, N., Misenis, C., Diskin, G. S., Alan Fried 2018: Characterizing CO and NOy sources and relative ambient ratios in the Baltimore area using ambient measurements and source attribution modeling. Journal of Geophysical Research—Atmospheres, 123(6): 3304-3320. DOI: 10.1002/2017JD027688

Li, J., Mao, J., Fiore, A. M., Cohen, R. C., Crounse, J. D., Teng, A. P., Wennberg, P. O., Lee, B. H., Lopez-Hilfiker, F. D., Thornton, J. A., Peischl, J., Pollack, I. B., Ryerson, T. B., Veres, P., Roberts, J. M., Neuman, J. A., Nowak, J. B., Wolfe, G. M., Hanisco, T. F., Alan Fried, Singh, H. B., Dibb, J., Paulot, F., Horowitz, L. W. 2018: Decadal changes in summertime reactive oxidized nitrogen and surface ozone over the Southeast United States. Atmospheric Chemistry and Physics, 18(3): 2341-2361. DOI: 10.5194/acp-18-2341-2018

Bela, M. M., Barth, M. C., Toon, O. B., Alan Fried, Ziegler, C., Cummings, K. A., Li, Y., Pickering, K. E., Homeyer, C. R., Morrison, H., Yang, Q., Mecikalski, R. M., Carey, L., Biggerstaff, M. I., Betten, D. P, Alford, A. A. 2018: Effects of scavenging, entrainment, and aqueous chemistry on peroxides and formaldehyde in deep convective outflow over the central and southeast United States. Journal of Geophysical Research—Atmsopheres, 123(14): 7594-7614. DOI: 10.1029/2018JD028271

Cheng, Y., Wang, Y., Zhang, Y., Crawford, J. H., Diskin, G. S., Weinheimer, A. J., Alan Fried 2018: Estimator of surface ozone using formaldehyde and carbon monoxide concentrations over the eastern United States in summer. Journal of Geophysical Research—Atmospheres, 123(14): 7642-7655. DOI: 10.1029/2018JD028452

Kaiser, J., Jacob, D. J., Zhu, L., Travis, K. R., Fisher, J. A., Abad, G. G., Zhang, L., Zhang, X., Alan Fried, Crounse, J. D., St Clair, J. M., Wisthaler, A. 2018: High-resolution inversion of OMI formaldehyde columns to quantify isoprene emission on ecosystem-relevant scales: Application to the southeast US. Atmospheric Chemistry and Physics, 18(8): 5483-5497. DOI: 10.5194/acp-18-5483-2018

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