PNNL-11801
Three-Dimensional Analysis of Future Groundwater Flow Conditions and Contaminant Plume Transport in the Hanford Site Unconfined Aquifer System: FY 1996 and 1997 Status Report
C.R. Cole S.K. Wurstner M.P. Bergeron M.D. Williams and P.D. Thorne
Table of Contents
Executive Summary
Acknowledgments
List of Figures
1.0 Introduction
1.1 Purpose and Scope
1.2 Report Organization
2.0 Other Transport Modeling Efforts at the Hanford Site
3.0 Model Conceptualization
3.1 Hydrogeologic Framework
3.1.1 Recharge and Flow System Boundaries
3.1.2 Hydraulic Properties
3.2 Transport Framework
4.0 Three-Dimensional Flow Model
4.1 Two-Dimensional Flow Model Recalibration
4.2 Steady-State Three-Dimensional Flow Model Development and Calibration
4.2.1 Hydraulic Properties
4.2.2 Flow Boundary Conditions
4.3 Three-Dimensional Transient-Flow Model Calibration and Application
4.3.1 Transient Calibration of 1979 to 1996 Conditions
4.3.2 Simulation of Future Transient Conditions
5.0 Site-Wide Transport Modeling
5.1 Transport Finite-Element Grid
5.2 Transport Analysis of the Tritium Plume
5.2.1 Initial Conditions and Transport Parameters
5.2.2 Results and Discussion
5.3 Transport Analysis of Iodine-129 Plume
5.3.1 Assumptions and Initial Conditions
5.3.2 Results and Discussion
5.4 Transport Analysis of Technetium-99 Plume
5.4.1 Assumptions and Initial Conditions
5.4.2 Results and Discussion
5.5 Transport Analysis of Uranium Plume
5.5.1 Assumptions and Initial Conditions
5.5.2 Results and Discussion
5.6 Transport Analysis of Strontium-90 Plume
5.6.1 Assumptions and Initial Conditions
5.6.2 Results and Discussion
6.0 Summary and Conclusions
6.1 Current Modeling Results
6.2 Comparison of Past Site-Wide Modeling
6.3 Potential Impacts to Site Water Supplies
7.0 References
Appendix
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