Evaluation of groundwater resources on the coral islands of Lakshadweep, India

• Main Author: Singh, Vijay Shankar
• Format: Electronic eBook
• Language: English
• Published: Cham, Switzerland : Springer, 2017.
• Series: SpringerBriefs in water science and technology.
• Subjects: Groundwater > India > Lakshadweep.; Coral reefs and islands > India > Lakshadweep.; India > Lakshadweep.; elektronické knihy; electronic books

This book provides insights on and tools for the characterization of island aquifers, as illustrated by the example of the coral islands of Lakshadweep in India. After an initial overview of the different coral islands, subsequent chapters explain key geophysical, hydrogeological and hydrochemical m...

Table of Contents:

• 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.