Groundwater

The demand for water resources is increasing day by day due to ever increasing population, mostly from developing countries. This has resulted in abstracting more water from the subsurface stratum and forcing the water managers to manage the limited groundwater resources in a more scientific way, which in turn needs a more sophisticated way of assessing the underground resource and manage it optimally. There is an urgent need to locate high yielding boreholes in the hard rock region by using geophysical methods. Electrical imaging technique in conjunction with remote sensing and geographical information system (GIS) technique has proved to be a potential tool for the purpose. Hydrodynamics of fractured aquifer system in hard rock region is not yet fully understood. The understanding of the groundwater pollution migration in porous and fractured aquifer system and the seawater intrusion in the coastal aquifer has to be improved further. Various aspects of groundwater modeling and in particular issues related to model calibration, validation and prediction has to be understood in much better way. One should integrate all the above issues for effective understanding of the assessment and management of groundwater resources. There is a need to have a comprehensive book to deal with all the above. My former colleague, Dr. M. Thangarajan, Retired Scientist-G, NGRI, Hyderabad, India has successfully edited a book on GROUNDWATER (Resource Evaluation, Augmentation, Contamination, Restoration, Modeling and Management) by inviting topics from various experts across the globe.

Autorentext
Dr. M. Thangarajan, formerly Scientist-G & Head, groundwater modeling group, at National Geophysical Research Institute (NCRI), Hyderabad, India, obtained his Master's in Physics at Madras University and PhD in Applied Geophysics from Indian School of Mines, Dhanbad, For more than three decades, he has carried out extensive research work in the assessment and management of groundwater resources through mathematical modeling. He has visited Botswana as modeling expert. Het is the member of IAH, IAHS, AGID and Geological Society of India. He has contributed over 125 research papers in national and international journals besides seminar proceedings. Author of the title "Regional Groundwater Modeling", he is also the co-editor of five other books.

Inhalt
Application of GIS and Remote Sensing Techniques in Identification, Assessment and Development of Groundwater Resources.- Electrical Resistivity Methods for Borehole Siting in Hardrock Region.- Parameterization of Groundwater Aquifer System.- Application of Geostatistics in Hydrosciences.- Augmentation of Groundwater Resources through Aquifer Storage and Recovery (ASR) Method.- Environmental Impact Assessment, Remediation and Evolution of Fluoride and Arsenic Contamination Process in Groundwater.- Characterization of Fracture Properties in Hard Rock Aquifer System.- Groundwater Models and Their Role in Assessment and Management of Groundwater Resources and Pollution.- Model Calibration and Issues Related to Validation, Sensitivity Analysis, Post-audit, Uncertainty Evaluation and Assessment of Prediction Data Needs.- Groundwater Development and Management of Coastal Aquifers (including Island Aquifers) through Monitoring and Modeling Approaches.- Management of Groundwater Resources.

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