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Table of Contents: Preface Acknowledgements About the author Introduction World Water Resources Classifications of Water Resources Climate and Climate Change Seasonality Index Drought Index Hydrologic Cycle and Rainfall-Runoff Processes Hydrological Cycle and Systems Water Balance Precipitation Precipitation Measurement Rainfall Variability Evaporation and Transpiration Catchment and Watershed Abstraction and Losses Runoff and Hydrographs Streamflow Measurements Rating Curve Probabilistic Rainfall/Flood Estimation Introduction to Flood Estimation Terminologies used in Probability Analysis Failure and Risk Hydrological Data Flood Frequency Analysis Design Rainfall Introduction Intensity-Duration Relationship Derivation of Design Rainfall Temporal Pattern Deterministic Flow/Flood Estimations Introduction Hydrograph Details Rational Method Time of Concentration Non-Homogeneous Catchment Partial Area Effect Composite Catchment Unit Hydrograph Method Flood Modelling Time-Area Method Modelling Tools Open Channel Hydraulics Introduction Principles and Equations Effect of Streamline Position Solutions of Energy Equation Critical Depth Calculations Froude Number Applications of Energy Equation Gravity Wave and its Applications Uniform Flow in Open Channel Flow Classifications Uniform Flow Equation Solutions of Manning’s Equation Details of Manning’s Roughness Compound Channel Conveyance of Open Channel Design of Uniform Flow Channel Hydraulic Modelling Introduction Solution Process Data Requirements Hydraulic Modelling using HEC-RAS Water Supply Systems Introduction Water Consumption Pattern Estimation of Demand Water Supply System Components Storage Tank Sizing Pipe System Analysis and Design Water Quality Water Treatment Processes Water Quality Measurement and Calculations Settling of Particles in a Fluid Sedimentation Basin Sizing Wastewater Systems Introduction Wastewater Collection System Quantification of Wastewater Quality of Wastewater Wastewater Treatment Disinfection, Sludge Treatment and Disposal Sustainable Wastewater Treatment and Recycling Stormwater Drainage Introduction Components of Urban Stormwater Drainage Design Calculations and Equations Hydraulic Grade Line (HGL) Analysis Onsite Detention (OSD) Tank Urban Drainage Analysis Pit Location Design and Bypass Flow Overland Flow path Water Conservation and Recycling Introduction Water Footprint Sustainable Water Fixtures Stormwater Harvesting Greywater Recycling Centralised Recycled Water Water Sensitive Urban Design Introduction Grass Swale Sand Filter Bioretention System Porous Pavement Sedimentation Basin Wetland Riparian Vegetation Rainwater Tank Appendix A Manning’s ’n’ values for Channels (Chow,

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