Publications and Presentations

Publications

Shah, V., Jacob, D.J., Li, K., Silvern, R.F., Zhai, S., Liu, M., Lin, J.T., and Zhang, Q.: Effect of changing NOx lifetime on the seasonality and long-term trends of satellite-observed tropospheric NO2 columns over China, Atmospheric Chemistry and Physics, submitted.

Silvern, R.F., Jacob, D.J., Mickley, L.J., Sulprizio, M.P., Travis, K.R., Marais, E.A., Cohen, R.C., Laughner, J.L., Choi, S., Joiner, J., and Lamsal, L.N.: Using satellite observations of tropospheric NO2 columns to infer long-term trends in US NOx emissions: the importance of accounting for the free tropospheric NO2 background, Atmospheric Chemistry and Physics, 19, 8863–8878, https://doi.org/10.5194/acp-19-8863-2019, 2019. [PDF]

Di, Q., Amini, H., Kloog, I., Silvern, R., Kelly, J., Sabath, M. B., Choirat, C., Koutrakis, P., Lyapustin, A., Wang, Y., Mickley, L., Schwartz, J.: Assessing NO2 concentration with high spatiotemporal resolution across the contiguous United States using ensemble model averaging, Environmental Science & Technology, submitted.

Marais, E.A., Silvern, R. F., Vodonos, A., Mickley, L. J., and Schwartz, J.: Impact of future fossil fuel use in Africa on air quality and human health, Environmental Science & Technology, submitted. 

Di, Q., Amini, H., Kloog, I., Silvern, R., Kelly, J., Sabath, M. B., Choirat, C., Koutrakis, P., Lyapustin, A., Wang, Y., Mickley, L., Schwartz, J.: An ensemble-based model of PM2.5 concentration across the contiguous United States with high spatiotemporal resolution, Environment International, https://doi.org/10.1016/j.envint.2019.104909, 2019. [PDF]

Silvern, R. F., Jacob, D. J., Travis, K. R., Sherwen, T., Evans, M. J., Cohen, R. C., Laughner, J. L., Hall, S. R., Ullmann, K., Crounse, J. D., Wennberg, P. O., Peischl, J., and Pollack, I. B.: Observed NO/NO2 ratios in the upper troposphere imply errors in NO-NO2-O3 cycling kinetics or an unaccounted NOx reservoir, Geophysical Research Letters, 2018. [PDF]

Silvern, R. F., Jacob, D. J., Kim, P. S., Marais, E. A., Turner, J. R., Campuzano-Jost, P., and Jimenez, J. L.: Inconsistency of ammonium–sulfate aerosol ratios with thermodynamic models in the eastern US: a possible role of organic aerosol, Atmospheric Chemistry and Physics, 17, 5107-5118, doi:10.5194/acp-17-5107-2017, 2017. [PDF]

Whaley-Martin, K.J., Mailloux, B. J., van Geen, A., Bostick, B. C., Silvern, R. F., Kim, C., Ahmed, K. M., Choudhury, I., and Slater, G. F.: Stimulation of Microbially Mediated Arsenic Release in Bangladesh Aquifers by Young Carbon Indicated by Radiocarbon Analysis of Sedimentary Bacterial Lipids, Environmental Science & Technology 50.14 (2016): 7353-7363. [PDF]

 

Presentations

Silvern, R.F., Jacob, D.J., Mickley, L.J., Sulprizio, M.P., Travis, K.R., Marais, E.A., Cohen, R.C., Laughner, J.L., Choi, S., Joiner, J., and Lamsal, L.N.: Using satellite observations of tropospheric NO2 columns to infer long-term trends in US NOx emissions: the importance of accounting for the free tropospheric NO2 background, poster presented at the 9th International GEOS-Chem Meeting, Cambridge, MA, May 2019. [PDF]

Silvern, R.F., Jacob, D. J., Mickley, L. J., Sulprizio, M. D., Travis, K. R., Marais, E. A., Cohen, R. C., Laughner, J. L., Choi, S., and Joiner, J.: Satellite and surface observations confirm steady decline in US NOx emissions over the 2005-2017 period, presented at the AGU Fall Meeting, Washington, D. C., December 2018. [PDF]

Silvern, R. F., Mickley, L. J., and Jacob, D. J.: Modeling decadal trends in continental US air pollution, with a focus on NOx, presented at the Annual EPA ACE Centers Meeting, Boston, MA, June 2018. [PDF]

Silvern, R. F.: Decadal trends in US OMI NO2 observations and the role of the upper troposphere, presented at the TEMPO Science Team Meeting, Boulder, CO, June 2018. [PDF]

Silvern, R. F., Mickley, L. J., and Jacob, D. J.: Modeling decadal trends in continental US air pollution, with a focus on NOx, presented at the Harvard/MIT ACE center Science Advisory Committee Meeting, Boston, MA, May 2018. [PDF]

Silvern, R. F., Jacob, D. J., Travis, K. R., Sherwen, T., Evans, M. J., Cohen, R. C., Laughner, J. L., Hall, S. R., Ullmann, K., Crounse, J. D., Wennberg, P. O., Peischl, J., and Pollack, I. B.: Observed NO/NO2 ratios in the upper troposphere imply errors in NO-NO2-O3 cycling kinetics or an unaccounted NOx reservoir, poster presented at the Harvard/MIT ACE center Science Advisory Committee Meeting, Boston, MA, May 2018. [PDF]

Silvern, R. F., Jacob, D. J., Travis, K. R., Sherwen, T., Evans, M. J., Cohen, R. C., Laughner, J. L., Hall, S. R., Ullmann, K., Crounse, J. D., Wennberg, P. O., Peischl, J., Ryerson, T. B., Pollack, I. B.: Simple chemistry gone wrong: uncertainty in NO-NO2 cycling in the upper troposphere and the implications for air quality, presented at the 16th Annual CMAS Conference, Chapel Hill, NC, October 2017. [PDF]

Silvern, R. F., Jacob, D. J., Kim, P. S., Marais, E.M., Turner, J. R., Jimenez, J. L., Campuzano-Jost, P.: Inconsistency of ammonium-sulfate aerosol ratios with thermodynamic models in the eastern US: a possible role of organic aerosol, poster presented at the Air, Climate & Energy (ACE) Centers Annual Meeting, Cambridge, MA, June 2017. [PDF]

Silvern, R. F., Jacob, D. J., Kim, P. S., Marais, E.M., Turner, J. R., Jimenez, J. L., Campuzano-Jost, P.: Inconsistency of ammonium-sulfate aerosol ratios with thermodynamic models in the eastern US: a possible role of organic aerosol, poster presented at the Harvard/MIT ACE center Science Advisory Committee Meeting, Cambridge, MA, May 2017. [PDF]

Silvern, R. F., Jacob, D. J., Kim, P. S., Marais, E.M., Turner, J. R., Jimenez, J. L., Campuzano-Jost, P.: Inconsistency of ammonium-sulfate aerosol ratios with thermodynamic models in the eastern US: a possible role of organic aerosol, presented at the 8th International GEOS-Chem Meeting, Cambridge, MA, May 2017. [PDF]

Silvern, R. F., Jacob, D. J., Travis, K. R., Marais, E. A., Cohen, R. C.: Reconciling modeled and observed upper tropospheric NO2 for the interpretation of satellite measurements, poster presented at the 8th International GEOS-Chem Meeting, Cambridge, MA, May 2017. [PDF]

Silvern, R. F., Jacob, D. J., Kim, P. S., Marais, E.M., Turner, J. R., Jimenez, J. L., Campuzano-Jost, P.: Inconsistency of ammonium-sulfate aerosol ratios with thermodynamic models in the eastern US: a possible role of organic aerosol, presented at the AGU Fall Meeting, San Fransisco, CA, December 2016. [PDF]

Silvern, R. F., Jacob, D. J., Kim, P. S., Marais, E.M., Turner, J. R., Jimenez, J. L., Campuzano-Jost, P.: Incomplete sulfate aerosol neutralization despite excess ammonia in the eastern US: a possible role of organic aerosol, poster presentation at Community Modeling and Analysis System (CMAS) Conference, Chapel Hill, NC, October 2016.

Silvern, R. F., Jacob, D. J., Kim, P. S., Fisher, J. A., Travis, K. R., Yu, K., Zhu, L., Jimenez, J. L., Campuzano-Jost, P.: Investigating the extent of sulfate aerosol neutralization in the eastern US, poster presentation at NASA Air Quality and Applied Sciences 10th Semiannual Meeting, EPA, Research Triangle Park, January 2016.