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Personal profile

Personal profile

My group develops computer simulations that describe how aerosol particles are created, transported, and transformed in the atmosphere. We use these simulations, together with observational and satellite data, to understand how aerosol particles impact human health, weather, and climate. This understanding guides us in developing effective pollution mitigation strategies and responses to global climate change.

Aerosol particles are microscopic particles suspended in the atmosphere. Some of them, for example dust, sea salt, or pollen, come from natural sources. Others are man-made, such as soot particles from diesel engines, or sulfate particles from coal-fired power plants. In a typical urban environment we inhale about 5 million particles with each breath, all of which vary greatly in size and chemical composition.

Aerosol particles impact our lives in many ways. Since they are so small, they can penetrate deep into our lungs and our bloodstream, causing respiratory and cardiac diseases. Aerosol particles have also dramatic impacts on weather and climate. For example, they block and absorb sunlight, changing the heating of the Earth, and they act as the seeds that produce water droplets in clouds.

I am always looking for new graduate students to join my group. Please contact me for questions about potential projects or about the application process at our department.

Office Address

3054 Natural History Building

Office Phone

+1.(217) 244-2844

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Research Output

Aerosol Mixing State: Measurements, Modeling, and Impacts

Riemer, N., Ault, A. P., West, M., Craig, R. L. & Curtis, J. H., Jun 2019, In : Reviews of Geophysics. 57, 2, p. 187-249 63 p.

Research output: Contribution to journalReview article

  • Open Access
  • Detection of Active Microbial Enzymes in Nascent Sea Spray Aerosol: Implications for Atmospheric Chemistry and Climate

    Malfatti, F., Lee, C., Tinta, T., Pendergraft, M. A., Celussi, M., Zhou, Y., Sultana, C. M., Rotter, A., Axson, J. L., Collins, D. B., Santander, M. V., Anides Morales, A. L., Aluwihare, L. I., Riemer, N., Grassian, V. H., Azam, F. & Prather, K. A., Mar 12 2019, In : Environmental Science and Technology Letters. 6, 3, p. 171-177 7 p.

    Research output: Contribution to journalArticle

  • Mixing state evolution of agglomerating particles in an aerosol chamber: Comparison of measurements and particle-resolved simulations

    Shou, C., Riemer, N., Onasch, T. B., Sedlacek, A. J., Lambe, A. T., Lewis, E. R., Davidovits, P. & West, M., Nov 2 2019, In : Aerosol Science and Technology. 53, 11, p. 1229-1243 15 p.

    Research output: Contribution to journalArticle

  • Relieved air pollution enhanced urban heat island intensity in the Yangtze river delta, China

    Wu, H., Wang, T., Wang, QG., Riemer, N., Cao, Y., Liu, C., Ma, C. & Xie, X., Dec 2019, In : Aerosol and Air Quality Research. 19, 12, p. 2683-2696 14 p.

    Research output: Contribution to journalArticle

    Open Access
  • Datasets

    Data from: Quantifying Errors in the Aerosol Mixing-State Index Based on Limited Particle Sample Size

    Gasparik, J. T. (Creator), Ye, Q. (Creator), Curtis, J. H. (Creator), Presto, A. A. (Creator), Donahue, N. M. (Creator), Sullivan, R. C. (Creator), West, M. (Creator) & Riemer, N. (Creator), University of Illinois at Urbana-Champaign, Jun 26 2020