Behbahani, A., Ryan, R.J., & McKenzie, E.R. (2021). Impacts of salinity on the dynamics of fine particles and their associated metals during stormwater management. Science of the Total Environment, 777. doi: 10.1016/j.scitotenv.2021.146135

Beganskas, S., Ryan, R.J., Walters, E., Soro, M., Cushman, E., & Toran, L. (2021). Coupling PCSWMM and WASP to Evaluate Green Stormwater Infrastructure Impacts to Storm Sediment Loads in an Urban Watershed. Journal of the American Water Resources Association, 57(1), pp. 134-153. doi: 10.1111/1752-1688.12896

Flynn, M. & Ryan, R.J. (2021). Assessment of SMP performance under future climate change. World Environmental and Water Resources Congress 2021: Planning a Resilient Future Along America's Freshwaters - Selected Papers from the World Environmental and Water Resources Congress 2021, pp. 302-313. doi: 10.1061/9780784483466.029

Behbahani, A., Ryan, R.J., & McKenzie, E.R. (2020). Long-term simulation of potentially toxic elements (PTEs) accumulation and breakthrough in infiltration-based stormwater management practices (SMPs). Journal of Contaminant Hydrology, 234. doi: 10.1016/j.jconhyd.2020.103685

Toran, L., Hughes, B., Nyquist, J., & Ryan, R. (2013). Freeze core sampling to validate time-lapse resistivity monitoring of the hyporheic zone. Groundwater, 51(4), pp. 635-640. doi: 10.1111/j.1745-6584.2012.01002.x

Toran, L., Nyquist, J.E., Fang, A.C., Ryan, R.J., & Rosenberry, D.O. (2013). Observing lingering hyporheic storage using electrical resistivity: Variations around stream restoration structures, Crabby Creek, PA. Hydrological Processes, 27(10), pp. 1411-1425. doi: 10.1002/hyp.9269

Toran, L., Hughes, B., Nyquist, J., & Ryan, R. (2012). Using hydrogeophysics to monitor change in hyporheic flow around stream restoration structures. Environmental and Engineering Geoscience, 18(1), pp. 83-97. doi: 10.2113/gseegeosci.18.1.83

Ryan, R.J., Larson, P.C., & Welty, C. (2011). The logistics and mechanics of conducting tracer injection experiments in urban streams. Urban Ecosystems, 14(1), pp. 87-117. doi: 10.1007/s11252-010-0144-5

Ryan, R.J., Welty, C., & Larson, P.C. (2010). Variation in surface water-groundwater exchange with land use in an urban stream. Journal of Hydrology, 392(1-2), pp. 1-11. doi: 10.1016/j.jhydrol.2010.06.004

Nyquist, J.E., Toran, L., Fang, A.C., Ryan, R.J., & Rosenberry, D.O. (2010). Tracking tracer breakthrough in the hyporheic zone using time-lapse DC resistivity, Crabby Creek, Pennsylvania. Proceedings of the Symposium on the Application of Geophyics to Engineering and Environmental Problems, SAGEEP, 2, pp. 923-929. doi: 10.4133/1.3445534

Ryan, R.J. & Boufadel, M.C. (2007). Lateral and longitudinal variation of hyporheic exchange in a piedmont stream pool. Environmental Science and Technology, 41(12), pp. 4221-4226. doi: 10.1021/es061603z

Ryan, R.J., Packman, A.I., & Kilham, S.S. (2007). Relating phosphorus uptake to changes in transient storage and streambed sediment characteristics in headwater tributaries of Valley Creek, an urbanizing watershed. Journal of Hydrology, 336(3-4), pp. 444-457. doi: 10.1016/j.jhydrol.2007.01.021

Ryan, R.J. & Boufadel, M.C. (2007). Evaluation of streambed hydraulic conductivity heterogeneity in an urban watershed. Stochastic Environmental Research and Risk Assessment, 21(4), pp. 309-316. doi: 10.1007/s00477-006-0066-1

Ryan, R.J. & Boufadel, M.C. (2006). Influence of streambed hydraulic conductivity on solute exchange with the hyporheic zone. Environmental Geology, 51(2), pp. 203-210. doi: 10.1007/s00254-006-0319-9

Ryan, R.J. & Boufadel, M.C. (2006). Incomplete mixing in a small, urban stream. Journal of Environmental Management, 81(1), pp. 50-57. doi: 10.1016/j.jenvman.2005.09.016

Ryan, R.J. & Packman, A.I. (2006). Changes in streambed sediment characteristics and solute transport in the headwaters of Valley Creek, an urbanizing watershed. Journal of Hydrology, 323(1-4), pp. 74-91. doi: 10.1016/j.jhydrol.2005.06.042

Ryan, R.J., Packman, A.I., & Welty, C. (2004). Estimation of solute transport and storage parameters in a stream with anthropogenically produced unsteady flow and industrial bromide input. Water Resources Research, 40(1). doi: 10.1029/2003WR002458