Hydrogeology

  1. Properties of Porous Media
    1. Porosity
      1. Definition and Calculation
        1. Primary Porosity
          1. Secondary Porosity
            1. Effective Porosity
              1. Total Porosity
                1. Measurement Methods
                2. Permeability and Hydraulic Conductivity
                  1. Intrinsic Permeability
                    1. Hydraulic Conductivity
                      1. Relationship Between Permeability and Conductivity
                        1. Factors Affecting Permeability
                          1. Measurement Methods
                            1. Laboratory Testing
                              1. Field Testing
                              2. Storage Properties
                                1. Specific Yield
                                  1. Specific Retention
                                    1. Specific Storage
                                      1. Storativity
                                        1. Relationships and Calculations
                                        2. Aquifer Classification
                                          1. Aquifers
                                            1. Aquitards
                                              1. Aquicludes
                                                1. Aquifuges
                                                  1. Physical Characteristics
                                                    1. Role in Groundwater Flow
                                                    2. Types of Aquifers
                                                      1. Unconfined Aquifers
                                                        1. Water Table Characteristics
                                                          1. Water Table Fluctuations
                                                            1. Recharge Areas
                                                              1. Discharge Areas
                                                              2. Confined Aquifers
                                                                1. Confining Layers
                                                                  1. Artesian Pressure
                                                                    1. Potentiometric Surface
                                                                    2. Leaky Aquifers
                                                                      1. Semi-Permeable Confining Units
                                                                        1. Vertical Flow Components
                                                                        2. Perched Aquifers
                                                                          1. Formation Mechanisms
                                                                            1. Localized Saturated Zones
                                                                              1. Temporary Nature
                                                                            2. Geologic Formations as Aquifers
                                                                              1. Unconsolidated Sediments
                                                                                1. Sand Aquifers
                                                                                  1. Gravel Aquifers
                                                                                    1. Silt and Clay Properties
                                                                                      1. Alluvial Deposits
                                                                                      2. Sedimentary Rocks
                                                                                        1. Sandstone Aquifers
                                                                                          1. Limestone Aquifers
                                                                                            1. Dolomite Aquifers
                                                                                              1. Shale Properties
                                                                                              2. Igneous and Metamorphic Rocks
                                                                                                1. Fractured Basalt
                                                                                                  1. Granite Systems
                                                                                                    1. Schist and Gneiss
                                                                                                      1. Weathered Rock Zones

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                                                                                                  3. Physical Properties of Water

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                                                                                                  5. Principles of Groundwater Flow