Guanghua Zhang Glotfelty, T., Alapaty, K., He, J., Hawbecker, P., Song, X., & Zhang, G. (2019). The Weather Research and Forecasting Model with Aerosol-Cloud Interactions (WRF-ACI): Development, Evaluation, and Initial Application. MONTHLY WEATHER REVIEW, 147(5), 1491–1511. https://doi.org/10.1175/MWR-D-18-0267.1 Zhang, G. H., Hummer, J. E., & Rasdorf, W. (2010). Impact of bead density on paint pavement marking retroreflectivity. Journal of Transportation Engineering, 136(8), 773–781. https://doi.org/10.1061/(asce)te.1943-5436.0000142 Rasdorf, W., Zhang, G., & Hummer, J. E. (2009). The impact of directionality of paint pavement marking retroreflectivity. Journal of Public Works Management and Policy, 13(3), 265–277. https://doi.org/10.1177/1087724x08330824