2008 - 2011 | Group Leader, Computational Earth Science
2008 - | Program Manager, Applied Energy Program Office
2008 - | Deputy Group Leader (acting), Hydrology and Geochemistry
2005 - 2008 | Team Leader, Subsurface Flow and Transport Team
2005 - 2008 | Principal Investigator, LDRD Exploratory Research Project
1997 - 2008 | Principal Investigator: Nevada Test Site Underground Test Area (UGTA) Project
1994 - 2000 | Associate Investigator: Yucca Mountain Project and Local Environmental Restoration
Publications
Wolfsberg, A.V, Z.X. Dai, L. Zhi, P. Reimus, T. Xiao, and D. Ware. Colloid-facilitated plutonium transport in fractured rock, ES&T 51 (10) 5582-5590. April 2017.
Deng, H.L., Z.X. Dai, A.V. Wolfsberg, M. Ye, P.H. Stauffer, Z. Lu, and E.M. Kwicklis. Upscaling of retardation factor in hierarchical porous media with multimodal reactive mineral facies, Chemosphere, 19(3) 248-257 http://dx.doi.org/10.1016/j.chemosphere.2012.10.105, 2013.
Dai, Z.X., A.V Wolfsberg, P.W. Reimus, H. Deng, E.M. Kwicklis, M. Ding, S.D. Ware, M. Ye. Identification of sorption processes and parameters for radionuclide transport in fractured rock. Journal of Hydrology, Vol.414-415, p.220-230 414-415(11), 2012.
Keating, G. N., R.S. Middleton, P.H. Stauffer, H.S. Viswanathan, B.C. Lettelier, D. Pasqualini, R.J. Pawar, and A.V. Wolfsberg. Mesoscale Carbon Sequestration Site Screening and CCS Infrastructure Analysis, Env. Sci & Technology, 45 (1) 215-222, doi: 10.1021/es101470m, Jan. 2011.
Lu, Z., A.V. Wolfsberg, Z. Dai, and C. Zheng. Characteristics and controlling factors of dispersion in bounded heterogeneous porous media, Water Resources Research, 46: W12508 DOI: 10.1029/2009WR008392, Dec. 2010.
Deng, H.L., Z.X. Dai, A.V. Wolfsberg, M. Ye, and P. Reimus. Upscaling of reactive mass transport in fractured rocks with multimodal reactive mineral facies, Water Resources Research, 46 (WO6501), DOI: 10.1029/2009WR008363, June, 2010.
Dai, Z.X., A.V. Wolfsberg, Z. M. Lu, and H.L. Deng. Scale dependence of sorption coefficients for contaminant transport in saturated fractured rock, Geophys. Res. Letters, 36(L01403), DOI: 10.1029/2008GL036516 , Jan. 2009.
Dai, ZX., Samper, J., Wolfsberg, A., Levitt, D. Identification of relative conductivity models for water flow and solute transport in unsaturated bentonite, Physics and Chemistry of the Earth, Vol.33, suppl.1, p.S177-S185, 2008.
Harp D. R., Z. Dai, A. V. Wolfsberg, J. A. Vrugt, B. A. Robinson, V. V. Vesselinov. Aquifer structure identification using stochastic inversion, Geophysical Research Letters, 35, L08404, doi:10.1029/2008GL033585, 2008.
Dai, Z, A. Wolfsberg, Z. Lu, and R. Ritzi Jr. Representing aquifer architecture in macrodispersivity models with an analytical solution of the transition probability matrix, Geophys. Res. Letters, 34(L20406), doi:10.1029/2007GL031608, 2007.
Robinson, B.A., A.V. Wolfsberg, H.V. Viswanathan, and P.W. Reimus. A colloid-facilitated transport model with variable colloid transport properties, Geophysical Research Letters, v.34, no.9, May 16, 2007.
Dai, Z, A. Wolfsberg, P. Reimus, Upscaling matrix diffusion coefficients for heterogeneous fractured rocks, Geophysical Research Letters, 34(L07408), doi:10.1029/2007GL029332, 2007.
Kwicklis, E.A., A.V. Wolfsberg, P.H. Stauffer, M.A. Walvoord, and M.J. Sully. Multiphase, multicomponent parameter estimation for liquid and vapor fluxes in deep arid systems using hydrologic data and natural environmental tracers, Vadose Zone Journal, 5:934–950, 2006.
Lu, G., C. Zheng, and A. Wolfsberg. Effect of uncertain hydraulic conductivity on the fate and transport of BTEX compounds at a field site, Jnl of Env. Eng., May, 2005.
Campbell, K., A.V. Wolfsberg, J.E Fabryka-Martin, and D.S. Sweetkind. Chlorine-36 Data at Yucca Mountain: Statistical Tests of Conceptual Models for Unsaturated Zone Flow, Jnl. Cont. Hydr, v.62-3, p.43-61, 2003.
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