YONG ZHANG

EDUCATION:

Ph.D., Hydrology and Water Resources, Nanjing University, China
B.S., Hydrogeology and Geological Engineering, Nanjing University, China

ACADEMIC AFFILIATIONS:

Graduate Program of Hydrologic Sciences - University of Nevada Reno
Water Resources Management Program - University of Nevada Las Vegas

PROFESSIONAL INTERESTS:

Dr. Zhang's major interest is in numerical simulation of contaminant fate and transport in natural media. Especially interested in the development and application of non-local transport theories and models for anomalous dispersion, shallow groundwater age dating with environmental tracers, subsurface heterogeneity characterization (geostatistical and stochastic methods), saturated zone flow and transport parameter upscaling, saline water intrusion, heat transport, aquifer vulnerability assessment, and random walk approximations of partial differential equations.

RESEARCH AREAS:

Groundwater hydrogeology, contaminant transport, fractional calculus

JOURNAL ARTICLES

Meerschaert, M. M.; Zhang, Y.; Baeumer, B., 2010.

Particle tracking for fractional diffusion with two time scales. Computers and Mathematics with Applications. v.59. n.3. pp.1078-1086. doi:10.1016/j.camwa.2009.05.009.

Ye, M.; Cooper, C.A.; Chapman, J.B.; Gillespie, D.; Zhang, Y., 2009.

Geologically based Markov chain model for simulating tritium transport with uncertain conditions in a nuclear-stimulated natural gas reservoir. SPE Reservoir Evaluation & Engineering. v.12. n.6. pp.974-984. 10.2118/114920-PA.

Zhang, Y.; Benson, D.A.; Reeves, D.M., 2009.

Time and space nonlocalities underlying fractional derivative models: Distinction and literature review of field applications. Advances in Water Resources. v.32. pp.561-581. doi:10.1016/j.advwatres.2009.03.008.

Zhang, Y.; LaBolle, E. M.; Pohlmann, K., 2009.

Monte Carlo simulation of superdiffusion and subdiffusion in macroscopically heterogeneous media. Water Resources Research. n.W10417. s.45. doi:10.1029/2008WR007448.

Meerschaert, M M; Zhang, Y; Baeumer, B, 2008.

Tempered anomalous diffusion in heterogeneous systems. Geophysical Research Letters. s.35. doi.10.1029/2008GL034889.

Zhang, Y; Meerschaert, M M; Baeumer, B, 2008.

Particle tracking for time-fractional diffusion. Physical Review E. s.78. doi:10.1103/PhysRevE.

Zhang, Y; Benson, D A; Baeumer, B, 2008.

Moment analysis for spatiotemporal fractional dispersion. Water Resources Research. s.44. doi:10.1029/2007WR00629.

Zhang, Y; Benson, D A, 2008.

Lagrangian simulation of multidimensional anomalous transport at the MADE site. Geophysical Research Letters. s.35. doi:10.1029/2008GL03322.

Zhang, Y.; Benson, D. A.; Meerschaert, M. M.; LaBolle, E. M.; , 2007.

Space-fractional advection-dispersion equations with variable parameters: Diverse formulas, numerical solutions and application to the MADE-site data. Water Resources Research. v.43. n.W05440.

Zhang, Y.; Benson, D. A.; Baeumer, B., 2007.

Predicting the Tails of Breakthrough Curves in Regional-scale Alluvial Systems. Ground Water. v.45. n.4. pp.473-484.

CONFERENCE ABSTRACTS

Yong Zhang, 2009.

Almost power law: Tempered power-law models. Stochastic Transport and Emergent Scaling in Earth-Surface Processes Meeting. Incline Village, NV.

Zhang, Y. ; Meerschaert, M. M. ; Baeumer, B., 2009.

Backward Probabilities for Contaminants undergoing Fractional Dispersion. Inverse Problems Symposium 2009. East Lansing Michigan.

Zhang, Y., 2009.

Subdiffusion in regional-scale alluvial aquifers – Link medium heterogeneity and preasymptotic transport. Eos. AGU. AGU. San Francisco.

Yong Zhang, 2009.

Particle tracking methods for fractional ADES. Stochastic Transport and Emergent Scaling in Earth-Surface Processes Meeting. Incline Village, NV.

Benson, D.; Zhang, Y.; Reeves, D.M., 2008.

Purely Lagrangian simulation of advection, dispersion, precipitation, and dissolution. American Geophysical Union Joint Assembly. Orlando, FL.

Zhang Y; LaBolle E M, 2008.

Backward probabilities of groundwater contamination affected by subsurface heterogeneity and spatiotemporal nonlocal transport. Computational Methods in Water Resources. San Francisco.

Zhang Y; LaBolle E M; Pohlmann K, 2008.

Comparison of local and nonlocal transport theories: A Lagrangian description. Eos Tans. AGU. AGU. San Francisco.

Zhang, Y.; Benson, D.A.; LaBolle, E.M.; Reeves, D.M., 2008.

Fractional RWHet: An enhanced solver for solute transport with spatiotemporal memory and conditioning on local aquifer properties. MODFLOW and MORE 2008: Ground Water and Public Policy. Golden, CO.

Chen D; Zhang Y, 2008.

Stochastic description of flume experiments on mixed-size bed-load transport and bed armoring processes. Eos Tans. AGU. San Francisco.

Reeves, D.M.; Zhang, Y.; Pohll, G.; Benson, D., 2008.

FRACK: A freeware flow and transport suite for fractured media. MODFLOW and MORE 2008: Ground Water and Public Policy. Golden, CO.

Hassan, Ahmed; Zhang, Yong; Bekhit, Hesham; Chapman, Jenny, 2008.

Design of Groundwater Monitoring Networks Considering Conceptual Model and Parametric Uncertainty. American Geophysical Union. San Francisco.

Benson, D. A.; Jordan, R.; Nathan, M.; Zhang, Y.; , 2007 (submitted).

Lagrangian simulation of heavy-tailed nonlocal transport in lab- and field-scale tests: Is there such a thing as a local scale?. Geological Society of America Abstracts with Programs.

Zhang, Y.; Benson, D. A.; Baeumer, B., 2007.

Nonlocal transport captured by spatiotemporal fractional derivative models: Modeling approach and field-scale applications. Eos Tans. AGU.

Zhang, Y.; Benson, D.A.; Reeves, D.M., 2007.

Nonlocal transport captured by spatiotemporal fractional derivative models: Modeling approach and field-scale applications. Americal Geophysical Union Fall Meeting. San Francisco, CA.

Meerschert, M. M.; Benson, D. A.; Zhang, Y.; Baeumer, B.; Schumer, R., 2007.

Stochastic model for mobile-immobile flow and transport. Geological Society of America Abstracts with Programs.

Zhang, Y.; Benson, D. A.; Baeumer, D. A., 2007.

Moment analysis for anomalous transport with spatiotemporal fractional dispersion. Geological Society of America Abstracts with Programs.

Zhang, Y., D.A. Benson, and B. Baeumer. 2007.

Anomalous transport in regional-scale alluvial aquifers: can we predict the tails of breakthrough curves? Ground Water, 45(4), 473-484.

Zhang, Y., D.A. Benson, M.M. Meerschaert, and E.M. LaBolle. 2007.

Space-fractional advection-dispersion equations with variable parameters: Diverse formulas, numerical solutions and application to the MADE-site data . Water Resources Research, 43, W05439, doi:10.1029/2006WR004912.

Zhang, Y., D.A. Benson, M.M. Meerschaert, E.M. LaBolle, and H.P. Scheffler. 2006.

Random walk approximation of fractional-order multiscaling anomalous diffusion. Physical Review E, 74(2), 026706.

Zhang, Y., D.A. Benson, and B. Baeumer. 2006.

The relationship between flux and resident concentrations for anomalous dispersion. Geophysical Research Letters, 33, L18407, doi: 10.1029/2006 GL027251.

LaBolle E.M., and Y. Zhang. 2006.

Reply to Comment by Doo-Hyun Lim on “Diffusion processes in composite porous media and their numerical integration by random walks: Generalized stochastic differential equations with discontinuous coefficients.” Water Resources Research, 42, W02602, doi:10.1029/2005WR004403.

Zhang, Y., D.A. Benson, M.M. Meerschaert, and H.P. Scheffler. 2006.

On using random walks to solve the space-fractional advection-dispersion equations. Journal of Statistical Physics, 367(1), 89-110.

Weissmann, G.S., Y. Zhang, G.E. Fogg, and J.F. Mount. 2004.

Hydrogeologic influence of incised valley fill deposits within a stream-dominated alluvial fan . In Bridge, J. and Hyndman, D. W. (edits), Aquifer Characterization, SEPM (Society for Sedimentary Geology) Special Publication, No.80, 15-28.

Weissmann, G.S., Y. Zhang, E.M. LaBolle, and G.E. Fogg. 2002.

Dispersion of groundwater age in an alluvial aquifer system . Water Resources Research, 38(10), 1198, doi: 10.1029/2001WR000907.