Preface.- List of Symbols.- 1. The Basics of Catchment Hydrology.- Abstract.- 1.1. About Water Catchments and Stream Networks.- 1.2. Topographic Analysis and Catchment Boundaries.- 1.2.1. Catchment Flow Vectors and Streamlines.- 1.2.2. Defining Catchment Boundaries for a Specific Stream Cross-Section.- 1.3. Stream Networks.- 1.4. Hydrologic Units and Catchment Arithmetic.- 1.5. Introduction to Hydrographs and Averaging of Units.- 1.5.1. Runoff Expressed in Depth Units.- 1.5.2. The Instantaneous Hydrograph.- 1.6. How Does Forest Hydrology Differ from Hydrology?.- 1.7. What\'s Different About Australian Forest Hydrology?.- 1.8. References.- 2. Hydrologic Measurements and the Water Balance.- Abstract.- 2.1. Introduction.- 2.2. Basics of Measurement on a Catchment.- 2.2.1. Rainfall and Hyetograph Measurement.- 2.2.2. Hydrograph Measurement.- 2.2.3. Measurements of Slope Water Storage.- 2.2.4. Measurement of Plant Water Use.- 2.3. Analysis of Streamflow Hydrographs.- 2.3.1. Flow Separation Analysis.- 2.4. Using Field Data to Form a Water Balance.- 2.5. Using \"Zhang Curves\" to Estimate Water Balance.- 2.5.1. Percentage Runoff and Rainfall Elasticity using Zhang Curves.- 2.6. Conclusions.- 2.7. References.- 3. The Fundamental Building Blocks -First Order Catchments.- Abstract.- 3.1. Introduction.- 3.2. The Dominance of \"Headwater Streams\".- 3.3. The Prototypical First Order Catchment and Streams.- 3.4. Groundwater Outflow vs Downslope Soil Movement.- 3.5. Colluvium and Bedrock Erosion.- 3.6. Moving Upstream - Can We Define Zero Order Streams?.- 3.6.1. Ephemerality of Low Order Streams.- 3.7. Beds and Streams.- 3.8. Hydrologic Characteristics of Forested Catchment Soils.- 3.9. Continuum Levels.- 3.10. Characteristic Outflow Behaviour of Catchment Elements.- 3.11. Similitude and Scaling of Catchment Processes.- 3.12. References.- 4. Dynamics of Catchment and Slope Processes.- Abstract.- 4.1. The Role of Science and Maths in Slope Dynamics.- 4.2. Overview of Dynamics of Slope Processes.- 4.3. The Stream Channel as a Connecting Link.- 4.4. Overland Flow and Slope Infiltration Measuring Infiltration.- 4.5. Saturated (Groundwater) and Unsaturated Flow.- 4.5.1. Applications of Groundwater Theory to Model Forest Slopes.- 4.5.2. \"Perched\" Groundwater and \"Deep\" Groundwater.- 4.5.3. Does a \"Wave\" of Groundwater Recharge Occur?.- 4.6. Slope Evaporation.- 4.7. Hewlett\'s Variable Source Area Concept of Stream Runoff.- 4.8. Use of Hydrographs to Examine Dynamic Processes.- 4.9. Conclusion.- 4.10. References.- 5. Field Measurement of Water Use of Forests.- Abstract.- 5.1. Why Study This?.- 5.2. Paired Catchment Experiments.- 5.2.1. What Is a Paired Catchment Project?.- 5.2.2. An Example of a Paired Catchment Project: Croppers Creek.- 5.2.3. Traditional Approach to Paired Catchment Calibration and Analysis.- 5.2.4. A Modern Example of Paired Catchment Statistical Treatment.- 5.2.5. What Time Units to Use?.- 5.2.6. How Long Does Calibration Need to Be?.- 5.2.7. Where Do Paired Catchments Sit in the World of Experiments?.- 5.2.8. Paired Catchment Projects in Australia.- 5.3. Single Catchment Studies of Water Use.- 5.4. Plot Measurements of Water Balance.- 5.4.1. Rachel Nolan and Impact of Fires.- 5.4.2. Advantages and Disadvantages of Plot Hydrology Work.- 5.4.3. Where Do Plots Sit in the World of Experiments?.- 5.4.4. \"Closing the Water Balance\" on Plots.- 5.5. The Scaling Issue.- 5.5.1. Spreadsheet Approach of Weighted Assessment.- 5.5.2. Modelling Approach to Scaling.- 5.5.3. Scaling Up Controversies.- 5.6. In Conclusion.- 5.7. References.- 6. Impacts of Native Forest Management on Catchment Hydrology.- Abstract.- 6.1. Introduction.- 6.1.1. Sources of Information and the Role of Science Melbourne\'s Water Catchment Debate; an Example of Meeting Information Needs.- 6.2. Fog Drip and Interception by Native Forests.- 6.2.1. Fog Drip.- 6.2.2. Canopy Interception.- 6.3. Basic Runoff Curves for Native Eucalypt Forest.- 6.4. Mountain Ash Water Use and Runof