v1.1-1/10/2000

• Gwo, J. P., E. F. D'Azevedo, H. Frenzel, M. Mayes, G. T. Yeh, P. M. Jardine, K. M. Salvage, and F. M. Hoffman, 2000.  HBGC123D: A high performance computer model of coupled hydrogeological and biogeochemical processes, Computers and Geosciences. (in press)
• G.-T. Yeh, K. M. Salvage, J. P. Gwo, J. M. Zachara, and J. E. Szecsody, 1998, HYDROBIOGEOCHEM: A Coupled Model of HYDROlogic Transport and Mixed BIOGEOCHEMical Kinetic/Equilibrium Reactions in Saturated-Unsaturated Media, ORNL/TM-13668, Oak Ridge National Laboratory. postscript || pdf.
• Gwo, J. P. and G.-T. Yeh, Application of a Parallel 3-Dimensional Hydrogeochemistry HPF Code to a Proposed Waste Disposal Site at the Oak Ridge National Laboratory, In A. Tentner (ed.), Proc. High Performance Computing, 1997, The Society for Computer Simulation, April, 1997, Atlanta. html || postscript
•  D'Azevedo E. F., and J. P. Gwo, "Parallelization of a Multiregion Flow and Transport Code Using Software Emulated Global Shared Memory and High Performance Fortran", In A. Tentner (ed.), Proc. High Performance Computing, 1997, The Society for Computer Simulation, April, 1997, Atlanta. html || postscript
• Gwo, J. P., and G.-T. Yeh, 1996A Parallel 3-Dimensional HYDROGEOCHEM and an Application to a Proposed Waste Disposal Site at the Oak Ridge National Laborator,  EOS, Transactions, American Geophysical Union, Vol. 77, No. 46, p.F203, 1996. html

• Gwo, J. P., 2000. On the search of preferential flowpaths in structured porous media using a simple genetic algorithm, Water Resour. Res. (in Press)
• Gwo, J. P., F. M. Hoffman, and W. W. Hargrove, 2000. Mechanistic-based genetic algorithm search on a beowulf cluster of Linux PCs, In Tentner, A. (ed.), High Performance Computing 2000: Grand Challenges in Computer Simulation, p148-153, The Society for Computer Simulation International, 2000. pdf || postscript.
• Mahinthakumar, G., Gwo, J. P., and Moline G. R., 1999. Subsurface biological activity zone detection using genetic algorithms, ASCE J. of Environ. Eng. 125(2): 1103-1112.
• Mahinthakumar, G., and J. P. Gwo, 1999. Task parallel and data parallel computing for subsurface inverse characterization problems. In Tentner, A. (ed.), High Performance Computing 1999: Grand Challenges in Computer Simulation, p.217-223.

• Frenzel, H., M. A. Mayes, J. P. Gwo, P. M. Jardine, and G. T. Yeh, 1999. Application of a hydrobiogeochemistry computer model to fate and transport of co-contaminants in fractured saprolite,  AGU Fall Meeting, December 13-17, 1999, San Francisco, California.
• Gwo, J. P., G. V. Wilson, P. M. Jardine, and E. F. D'Azevedo, 1999. Modeling subsurface contaminant reactions and transport at the watershed scale. In Corwin, D. L., K. Loague, and T. R. Ellsworth (eds.) Assessment of Non-Point Source Pollution in the Vadose Zone, American Geophysical Union, Washington D. C., p31-43.
• Jardine, P. M., W. E. Sanford, J. P. Gwo, O. C. Reedy, D. S. Hicks, J. S. Riggs, and W. B. Bailey, 1999, Quantifying diffusive mass transfer in fractured shale bedrock, Water Resour. Res. 35(7): 2015-2030.
• Gwo, J.-P., R. O'Brien, and P. M. Jardine, 1998, Mass transfer in structured porous media: embedding mesoscale structure and microscale hydrodynamics in a two-region model. J. of Hydrol. 208: 204-222.
• Wilson, G. V., J. P. Gwo, P. M. Jardine, and R. J. Luxmoore, 1998, Hydraulic and physical nonequilibrium effects on multiregion flow. In H. M. Selim and L. Ma (eds.), Physical Nonequilibrium in Soils: Modeling and Application, p.243-271, Ann Arbor Press, Chelsea, Michigan.
• Jardine, P. M., R. O'Brien, G. V. Wilson, and J.-P. Gwo, 1998, Experimental Techniques for confirming and quantifying physical nonequilibrium processes in soils. In H. M. Selim and L. Ma (eds.), Physical Nonequilibrium in Soils: Modeling and Application, p.243-271, Ann Arbor Press, Chelsea, Michigan.
• Gwo, J. P., G. V. Wilson, P. M. Jardine, and E. F. D'Azevedo, Modeling subsurface contaminant reactions and transport at the watershed scale, AGU Chapman/SSSA Outreach Conference, Oct. 20-24, 1997, Riverside, CA. html

• Cheng, M. D., C. J. Lin, J. P. Gwo, D. Turner, and R. Ferrare, 1998, Optical properties, in-situ closure, and transport pathways of Mexican smoke in 1998, presented at the Annual Meeting of the American Association for Aerosol Research in Seattle-Tacoma, WA, October, 1999.