Aqueous Geochemistry

  1. Geochemical Modeling
    1. Introduction to Geochemical Modeling
      1. Purpose and Applications
        1. Types of Models
          1. Limitations and Assumptions
            1. Model Selection Criteria
            2. Equilibrium Models
              1. Speciation-Equilibrium Models
                1. Aqueous Speciation Calculations
                  1. Mineral Saturation States
                    1. Gas Phase Equilibria
                    2. Reaction Path Models
                      1. Sequential Reaction Modeling
                        1. Titration Simulations
                          1. Evaporation Modeling
                          2. Mixing Models
                            1. Binary Mixing
                              1. Multi-component Mixing
                                1. Inverse Modeling
                              2. Kinetic Models
                                1. Rate-Based Models
                                  1. Mineral Dissolution Kinetics
                                    1. Precipitation Kinetics
                                      1. Microbial Kinetics
                                      2. Reactive Transport Models
                                        1. Coupling Chemistry and Transport
                                          1. Advection-Dispersion-Reaction
                                            1. Multi-phase Flow
                                          2. Common Geochemical Codes
                                            1. PHREEQC
                                              1. Capabilities and Features
                                                1. Database Structure
                                                  1. Input File Format
                                                  2. The Geochemist's Workbench
                                                    1. Graphical Interface
                                                      1. Modeling Capabilities
                                                        1. Visualization Tools
                                                        2. MINTEQA2
                                                          1. EPA Development
                                                            1. Strengths and Limitations
                                                            2. Other Codes
                                                              1. EQ3/6
                                                                1. CHESS
                                                                  1. HYDROGEOCHEM
                                                                2. Thermodynamic Databases
                                                                  1. Standard Databases
                                                                    1. WATEQ4F
                                                                      1. LLNL Database
                                                                        1. THERMODDEM
                                                                        2. Database Selection
                                                                          1. Data Quality Assessment
                                                                            1. Custom Database Development
                                                                            2. Model Construction and Application
                                                                              1. Problem Definition
                                                                                1. System Boundaries
                                                                                  1. Processes to Include
                                                                                    1. Spatial and Temporal Scales
                                                                                    2. Conceptual Model Development
                                                                                      1. Hydrogeological Framework
                                                                                        1. Geochemical Processes
                                                                                          1. Boundary Conditions
                                                                                          2. Data Requirements
                                                                                            1. Water Chemistry Data
                                                                                              1. Mineralogical Data
                                                                                                1. Thermodynamic Data
                                                                                                  1. Kinetic Parameters
                                                                                                  2. Model Setup
                                                                                                    1. Initial Conditions
                                                                                                      1. Boundary Conditions
                                                                                                        1. Parameter Values
                                                                                                        2. Calibration and Validation
                                                                                                          1. Parameter Estimation
                                                                                                            1. Goodness of Fit
                                                                                                              1. Model Validation
                                                                                                                1. Independent Data Sets
                                                                                                                2. Sensitivity and Uncertainty Analysis
                                                                                                                  1. Parameter Sensitivity
                                                                                                                    1. Monte Carlo Methods
                                                                                                                      1. Error Propagation
                                                                                                                        1. Confidence Intervals
                                                                                                                      2. Model Applications
                                                                                                                        1. Water Quality Assessment
                                                                                                                          1. Contamination Studies
                                                                                                                            1. Remediation Design
                                                                                                                              1. Geothermal Systems
                                                                                                                                1. CO2 Sequestration
                                                                                                                                  1. Nuclear Waste Disposal

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                                                                                                                                10. Environmental and Applied Aqueous Geochemistry

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                                                                                                                                1. Introduction to Aqueous Geochemistry