Fate and transport of contaminants, hydrodynamics and hydraulic engineering
Honors and Awards
Honorary Member of Hydro-engineering Faculty, Georgian Technical University, Georgia, 2003
Charles W. Schafer Faculty Award for excellence in teaching, research and service in Civil Engineering, Iowa State University, 1997
Who's Who in Science and Engineering (Marquis Who's Who In America, 1997-98)
National Science Foundation Engineering Education Scholar, 1995
Gu, R., M. Sahu, M. Jha. (2015) "Simulating the impacts of bio-fuel crop production on nonpoint source pollution in the Upper Mississippi River Basin," Ecological Engineering, Vol. 74, pp. 223-229 (DOI: http://dx.doi.org/10.1016/j.ecoleng.2014.10.010).
Peng, Y., H. Zhang, R. Gu. (2013) "2D numerical simulation of flow characteristics in a channel narrowed by a cofferdam," Journal of Hydraulic Research, Vol. 51, No. 2, pp. 209-214 (DOI: http://www.tandfonline.com/doi/abs/10.1080/00221686.2012.748695).
Zhao, X., R. Gu, C. Guo, K. Wang, S. Li. (2012) "Simulations of Flow Circulations and Atrazine Concentrations in a Midwest Reservoir," International Journal of Modern Physics: Conference Series, World Scientific, Vol. 19, pp. 27-38 (DOI: http://dx.doi.org/10.1142/S2010194512008562).
Zhang, Y. J., M. Jha, R. Gu, W. Luo, A. Lei. (2012) "A DEM-based Parallel Computing Hydrodynamic and Transport Model," River Research and Applications, Vol. 28, No. 5, pp. 647-658 (DOI: http://dx.doi.org/10.1002/rra.1471).
Jha, M. and R. Gu. (2010) "Risk analysis of seasonal stream water quality management," Water Science and Technology, Vol. 62, No. 9, pp. 2075-2082 (DOI: http://dx.doi.org/10.2166/wst.2010.538).
Gu, R. R. and A. Shu. (2010) "Modeling The Fate and Transport of Toxic Contaminants in Reservoir Overflow and Interflow," Modern Physics Letter B, Vol. 24, No. 13, pp. 1311-1314 (DOI: http://dx.doi.org/10.1142/S0217984910023505).
Gu, R. R., and M. Sahu. (2009) "Assessing the Impact of Contour Strips of Perennial Grass with Bio-fuel Potentials on Aquatic Environment," World Academy of Science, Engineering and Technology, Vol. 54, pp. 529-535.
Gu, R. R. (2009) "Impact of Inflow and Ambient Conditions on Density-induced Current in a Stratified Reservoir," Modern Physics Letters B, Vol. 23, No.3, pp. 429-432 (DOI: http://dx.doi.org/10.1142/S0217984909018576).
Guo, Y., Y. Hu, R. Gu, and H. Lin. (2009) "Characterization and micellization of rhamnolipidic fractions and crude extracts produced by Pseudomonas aeruginosa mutant MIG-N146," Journal of Colloid and Interface Science, Vol. 331. No. 2, pp. 356-363 (DOI: http://dx.doi.org/doi:10.1016/j.jcis.2008.11.039).
Chung, S. and R. Gu. (2009) "Prediction of the Fate and Transport Processes of Atrazine in a Reservoir," Environmental Management, Vol. 44, No. 1, pp. 46-61 (DOI: http://dx.doi.org/10.1007/s00267-009-9312-x).
Sahu, M. and R. Gu. (2009) "Modeling the effects of riparian buffer zone and contour strips on stream water quality," Ecological Engineering, Vol. 35, No. 8, pp. 1167-1177 (DOI: http://dx.doi.org/10.1016/j.ecoleng.2009.03.015).
Yue, Q., B. Gao, Y. Wang, R. R. Gu. (2008) "Synthesis of Polyamine Flocculants and Their Potential Use in Treating Dye Wastewater," Journal of Hazardous Materials, Vol. 152, No. 1, pp. 221- 227 (DOI: http://dx.doi.org/10.1016/j.jhazmat.2007.06.089).
Wang, Y., Gao, B. Y., Yue, Q. Y., Zhou, W. Z., Gu, R. (2007) "Color removal from textile industry wastewater using composite flocculants," Environmental Technology, Vol. 28, No. 6, pp. 629-637 (DOI: http://dx.doi.org/10.1080/09593332808618824).
Jha, M., J. G. Arnold, P. W. Gassman, and R. Gu. (2006) "Climate change sensitivity assessment on Upper Mississippi River Basin streamflows using SWAT," Journal of American Water Resources Association, Vol. 42, No. 4, pp. 997-1015 (DOI: http://dx.doi.org/10.1111/j.1752-1688.2006.tb04510.x).
Jha, M., Z. Pan, E. S. Takle, and R. Gu. (2004) "Impact of climate change on streamflow in the Upper Mississippi River Basin: A regional climate model perspective," American Geophysical Union, Journal of Geophysical Research, Vol. 109, D9105 (DOI: http://dx.doi.org/10.1029/2003JD003686).
Gu, R.R., T .J. McDonald, and R. A. Lohnes. (2004) "Low Water Stream Crossings - The Iowa Experience," Transportation Research Record Journal of the the Transportation Research Board, Vol. 1819, No. 1, pp. 355-361 (DOI: http://dx.doi.org/10.3141/1819b-45).
Gu, R. and S. Chung. (2003) "A Two-dimensional Model for Simulating the Transport and Fate of Toxic Chemcials in a Stratified Reservoir," Journal of the Environmental Quality, American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America, Vol. 32, No. 2, pp. 620-632 (DOI: http://dx.doi.org/10.2134/jeq2003.0620).
Chung, S. and R. Gu. (2003) "Estimating Time-variable Kinetics Transformation Rate of Atrazine in a Reservoir," Advances in Environmental Research, Vol. 7, Issue 4, pp. 933-947 (DOI: http://dx.doi.org/10.1016/S1093-0191(02)00098-9).
Li, Y. and R.R. Gu. (2003) "Modeling Flow and Sediment Transport in a River System Using an Artificial Neural Network," Environmental Management, Vol. 31, No. 1, pp. 122-134 (DOI: http://dx.doi.org/10.1007/s00267-002-2862-9).