Sustainable water resources management and decision support systems

Multiphase flow and multicomponent transport in porous media

Contaminant source identification

Modeling and management of karst aquifer systems

Performance assessment for geologic CO2 storage

Optimization and inversion techniques

B.S. Civil and Environmental Engineering, University of California at Los Angeles, Los Angeles, California, 1995

M.S. Civil and Environmental Engineering, University of California at Berkeley, Berkeley, California, 1996

Ph.D. Civil and Environmental Engineering, University of California at Berkeley, Berkeley, California, 2000

Research Engineer—Southwest Research Institute, 2003–2011

Environmental Engineer—SUNDA Environmental Technologies, LLC, 2000-2003

Environmental Engineer—Tetra Tech Inc., 1999–2000

Research Fellow—Los Alamos National Laboratory, 1998–1999

Sun, A., Geologic fault network identification using sequential data assimilation techniques. ASCE Practice Periodical of Hazardous, Toxic, and Radioactive Waste Management, Special Issue on Mass Transport and Environmental Risk Assessment. In press.

Sun, A., R. Green, M. Rodell, and S. Swenson. Inferring aquifer storage parameters using satellite and in-situ measurements: Estimation under uncertainty. Geophysical Research Letters, 37, L10401, 2010.

Sun, A., A. Morris, S. Mohanty. Sequential updating of multimodal hydrogeologic parameter fields using localization and clustering techniques. Water Resources Research, 45, W07424, 2009.

Sun, A., A. Morris, S. Mohanty. Comparison of deterministic ensemble Kalman filters for assimilating hydrogeologic data. Advances in Water Resources, 32(2):280–292, 2009.

Sun, A., R. Ritzi, and D. Sims, Characterizing and modeling a complex alluvial aquifer: Implication on solute transport. Water Resources Research, 44, W04402, 2008.

Sun, A., CONSID®: A toolbox for contaminant source identification. Ground Water, 46(4):638–641, 2008.

Sun, A., A robust maximum likelihood approach to contaminant source identification. Water Resources Research, 43, W02418, 2007.

Sun, A., S. Painter, and G. Wittmeyer, A robust framework for contaminant source identification using MODFLOW/MT3DMS. Proceedings of MODFLOW and MORE (ed. E. Poeter, et al.), Golden, Colorado, 2006.

Sun, A., S. Painter, and G. Wittmeyer, A robust approach for contaminant source location and release history recovery. Journal of Contaminant Hydrology, 88:29–44, 2006.

Sun, A., S. Painter, and G. Wittmeyer, A constrained, robust least squares approach for contaminant source release history identification. Water Resources Research, 42, W04414, 2006.

Green, R., S. Painter, A. Sun, and S. Worthington, Groundwater contaminant in karst terrains. Water, Air, and Soil Pollution, 6(1–2):157–170, 2006.

Sun, A., S. Painter, and R. Green, Modeling Barton Springs segment of the Edwards Aquifer using MODFLOW-DCM. Proceedings of the 10th Multidisciplinary Conference on Sinkholes and the Engineering and Environmental Impacts of Karst (ed. G. Schindel), San Antonio, Texas, 2005.

Sun, N.-Z., and A. Sun, Inverse methods for parameter estimation. In M. G. Anderson and J. J. McDonnell (eds.), Encyclopedia of Hydrological Sciences, Vol. 4, John Wiley and Sons, United Kingdom, 2005.

Sun, A. and D. Zhang, A solute flux approach to transport through bounded, unsaturated heterogeneous porous media. Vadose Zone Journal, 3:513–526, 2004.

Sun, N.-Z., and A. Sun, Parameter Identification of Environmental Systems, Chapter 8, in Environmental Fluid Mechanics (ed. H. Shen et al.), ASCE, 2002.

Sun, A. and D. Zhang, Prediction of solute spreading during vertical infiltration in unsaturated, bounded heterogeneous porous media. Water Resources Research, 36(3):715–723, 2000.

Zhang, D., and A. Sun, Stochastic analysis of transient saturated flow through heterogeneous fractured porous media: A double-permeability approach. Water Resources Research, 36(4):865–874, 2000.

Zhang, D., R. Andricevic, A. Sun, X. Hu and G. He, Solute-flux approach to transport through spatially nonstationary flow in porous media. Water Resources Research, 36(7):2107–2120, 2000.

Rubin, Y., A. Sun, R. Maxwell and A. Bellin, The concept of block effective macrodispersivity and a unified approach for grid-scale and plume-scale dependent transport. Journal of Fluid Mechanics, 395:161–180, 1999.

Zhang, D., and A. Sun, Stochastic analysis of groundwater flow in fractured porous media. Proceedings of the International Symposium on Dynamics of Fluids in Fractured Rocks?Concepts and Recent Advances (ed. B. Faybishenko), 1999.

Sun, A. and Y. Rubin, Temporal moments of reactive and conservative solute transport in the unsaturated zone, Journal of Hydraulic Research, 36(6), 1998.