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Foreword; Preface; Contents; 1 Introduction; 1.1 Fresh Water Resources; 1.2 Water Resources in India; 1.3 Coral Islands; 1.3.1 Formation of Lakshadweep Islands; 1.3.2 Lakshadweep Islands; 1.3.3 Sand Banks; 1.3.4 Reefs; 1.3.5 Islands; 1.3.5.1 Chetlat Island; 1.3.5.2 Bitra Island; 1.3.5.3 Kiltan Island; 1.3.5.4 Kadmat Island; 1.3.5.5 Amini Island; 1.3.5.6 Pitti Island; 1.3.5.7 Bangaram, Tinnakara and Parali Islands; 1.3.5.8 Agathi Island; 1.3.5.9 Kavaratti Island; 1.3.5.10 Andrott Island; 1.3.5.11 Kalpeni Island; 1.3.5.12 Minicoy Island; 1.3.6 Population of Lakshadweep Islands; References
2 Groundwater as Freshwater Resource2.1 Introduction; 2.2 Hydrogeology of Coral Island; 2.3 Ghyben-Herzberg Relationship; 2.4 Transition Zone; References; 3 Delineation of Fresh Groundwater Zone on Island; 3.1 Introduction; 3.2 Geophysical Methods; 3.2.1 Electrical Resistivity Method; 3.2.1.1 Vertical Electrical Sounding; 3.2.1.2 Interpretation; 3.2.1.3 Type Curve Match; 3.2.1.4 Numerical Method; 3.2.1.5 Resistivity Imaging; 3.2.2 Seismic Refraction Method; 3.2.3 Electromagnetic (EM) Method; 3.3 Hydrogeological Method; 3.3.1 Ghyben-Herzberg Relation
3.3.2 Rainfall-Width-Permeability Relationship3.3.3 Rainfall-Width-Lens Relationship; 3.3.4 Analytical and Numerical Method; References; 4 Characterization of Island Aquifer; 4.1 Introduction; 4.2 Pumping Test; 4.2.1 Analytical Method; 4.2.2 Numerical Method; 4.2.3 Tidal Method; 4.2.4 Tidal Response in Aquifer; 4.2.5 Tidal Analysis; References; 5 Chemical and Biological Characterization of Island Aquifer; 5.1 Introduction; 5.2 Interpretation of Data; 5.2.1 Piper Diagram (Trilinear Graph); 5.2.2 Water Hazard; 5.2.3 Gibbs Diagrams; 5.2.4 Statistical Analysis; 5.2.5 Water Quality Index
5.2.6 Anthropogenic PollutionReferences; 6 Management of Groundwater; 6.1 Introduction; 6.2 Assessment of Safe Groundwater Withdrawal; 6.3 Water Balance; 6.4 Numerical Model; 6.4.1 SUTRA Model; 6.4.2 Artificial Neural Network; 6.4.3 Application of Geographical Information System (GIS); References; 7 Case Studies; 7.1 Introduction; 7.2 Kavaratti Island; 7.2.1 Introduction; 7.2.2 Water Supply; 7.2.3 Hydrogeology; 7.2.4 Groundwater Regime; 7.2.5 Groundwater Quality; 7.2.6 Aquifer Characterization; 7.2.6.1 Pumping Test; 7.2.6.2 Analysis of Pumping Test Data; 7.2.7 Groundwater Modelling
7.2.7.1 Physical Framework7.2.7.2 Model Run and Calibration; 7.2.7.3 Prediction Using Model; 7.2.8 Anthropogenic Pollution; 7.3 Andrott Island; 7.3.1 Introduction; 7.3.2 Water Supply; 7.3.3 Hydrogeology; 7.3.3.1 Monitoring Groundwater Level and Sea Level; 7.3.4 Geophysical Investigations; 7.3.4.1 Interpretation; 7.3.5 Aquifer Characterization; 7.3.5.1 Pumping Test; 7.3.6 Groundwater Quality; 7.3.6.1 Graphical Data Interpretation; 7.3.6.2 Statistical Analysis; 7.3.7 Groundwater Pollution Due to Sewage; 7.3.8 Conclusions; 7.4 Kalpeni Island; 7.4.1 Introduction; 7.4.2 Water Supply
2 Groundwater as Freshwater Resource2.1 Introduction; 2.2 Hydrogeology of Coral Island; 2.3 Ghyben-Herzberg Relationship; 2.4 Transition Zone; References; 3 Delineation of Fresh Groundwater Zone on Island; 3.1 Introduction; 3.2 Geophysical Methods; 3.2.1 Electrical Resistivity Method; 3.2.1.1 Vertical Electrical Sounding; 3.2.1.2 Interpretation; 3.2.1.3 Type Curve Match; 3.2.1.4 Numerical Method; 3.2.1.5 Resistivity Imaging; 3.2.2 Seismic Refraction Method; 3.2.3 Electromagnetic (EM) Method; 3.3 Hydrogeological Method; 3.3.1 Ghyben-Herzberg Relation
3.3.2 Rainfall-Width-Permeability Relationship3.3.3 Rainfall-Width-Lens Relationship; 3.3.4 Analytical and Numerical Method; References; 4 Characterization of Island Aquifer; 4.1 Introduction; 4.2 Pumping Test; 4.2.1 Analytical Method; 4.2.2 Numerical Method; 4.2.3 Tidal Method; 4.2.4 Tidal Response in Aquifer; 4.2.5 Tidal Analysis; References; 5 Chemical and Biological Characterization of Island Aquifer; 5.1 Introduction; 5.2 Interpretation of Data; 5.2.1 Piper Diagram (Trilinear Graph); 5.2.2 Water Hazard; 5.2.3 Gibbs Diagrams; 5.2.4 Statistical Analysis; 5.2.5 Water Quality Index
5.2.6 Anthropogenic PollutionReferences; 6 Management of Groundwater; 6.1 Introduction; 6.2 Assessment of Safe Groundwater Withdrawal; 6.3 Water Balance; 6.4 Numerical Model; 6.4.1 SUTRA Model; 6.4.2 Artificial Neural Network; 6.4.3 Application of Geographical Information System (GIS); References; 7 Case Studies; 7.1 Introduction; 7.2 Kavaratti Island; 7.2.1 Introduction; 7.2.2 Water Supply; 7.2.3 Hydrogeology; 7.2.4 Groundwater Regime; 7.2.5 Groundwater Quality; 7.2.6 Aquifer Characterization; 7.2.6.1 Pumping Test; 7.2.6.2 Analysis of Pumping Test Data; 7.2.7 Groundwater Modelling
7.2.7.1 Physical Framework7.2.7.2 Model Run and Calibration; 7.2.7.3 Prediction Using Model; 7.2.8 Anthropogenic Pollution; 7.3 Andrott Island; 7.3.1 Introduction; 7.3.2 Water Supply; 7.3.3 Hydrogeology; 7.3.3.1 Monitoring Groundwater Level and Sea Level; 7.3.4 Geophysical Investigations; 7.3.4.1 Interpretation; 7.3.5 Aquifer Characterization; 7.3.5.1 Pumping Test; 7.3.6 Groundwater Quality; 7.3.6.1 Graphical Data Interpretation; 7.3.6.2 Statistical Analysis; 7.3.7 Groundwater Pollution Due to Sewage; 7.3.8 Conclusions; 7.4 Kalpeni Island; 7.4.1 Introduction; 7.4.2 Water Supply