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Full Description
Water is vital to life, maintenance of ecological balance, economic development, and sustenance of civilization. Planning and management of water resources and its optimal use are a matter of urgency for most countries of the world, and even more so for India with a huge population. Growing population and expanding economic activities exert increasing demands on water for varied needs--domestic, industrial, agricultural, power generation, navigation, recreation, etc. In India, agriculture is the highest user of water. The past three decades have witnessed numerous advances as well as have presented intriguing challenges and exciting opportunities in hydrology and water resources. Compounding them has been the growing environmental consciousness. Nowhere are these challenges more apparent than in India. As we approach the twenty first century, it is entirely fitting to take stock of what has been accomplished and what remains to be accomplished, and what accomplishments are relevant, with particular reference to Indian conditions.
Contents
Section 1: Unsaturated Flow.- Visualisation of Static and Dynamic Water Phenomena in Soil Using Magnetic Resonance Imaging.- Hydrologic Modelling Acknowledging Spatial Variations of Hydraulic Conductivity.- Infiltration Subject to Time-Dependent Surface Ponding: Exact Results and Correspondence to Solute Transport with Nonlinear Reaction.- Some Numerical Experiments on the Variably-Saturated Flow Equation.- Is It Correct to Assume that Movement of Water in Unsaturated Soil Strata is Piston Flow?.- A New Technique for the Calibration of Neutron Moisture Probe.- Section 2: Seepage And Drainage.- Estimation of Canal Seepage in a Layered Porous Media Using Boundary Element Method.- Section 3: Groundwater Recharge.- Groundwater-Surfacewater Intermixing Model and Recharge Conditions in Delhi Area as Derived from ?180 and ?D.- Evaluation of Recharge to Groundwater due to Applied Irrigation Under Different Crops in Uttar Pradesh Using Isotope Tracer Technique - A Field Study.- Hydrogeological Conditions in the Terai Plain of Rupandehi District, Lumbini Zone, Nepal with special Emphasis on Groundwater Recharge.- Section 4: Aquifer Response.- The Energy Balance of Groundwater Flow.- Analysis of Pump Test Data on Kasai River Bed (West Bengal): A Case Study.- Section 5: Groundwater Resource Evaluation.- Groundwater Resources Evaluation.- The Nubian Sandstone Basin in North Africa - A Source of Irrigation Water for Desert Oases.- Delineation of Groundwater Resources in Drought Prone Area of Upper Godduvanka River Basin, Chittoor District, Andhra Pradesh Using Electrical Resistivity Method.- Extraction of Drained Waters from Instable Areas for Minor Agricultural Uses.- Groundwater Hydrology of Siwana, Western Rajasthan - A Multidisciplinary Approach.- Significance of Palaeochannelsfor Hydrogeological Studies - A Case Study from Alluvial Plains of Punjab and Haryana States, India.- Integrated Use of Remote Sensing and GIS Methods for Ground Water Exploration in Parts of Lalitpur District, U.P..- Regional Ground Water Modelling Using Finite Element Method - A Case Study.
