KEY FEATURES • Up-to-date coverage including a brief description of the currently popular • electronic velocity measuring instrument, Acoustic Doppler Current Profiler (ADCP) • New sections on SCS-CN Method of Calculating Flood Hydrograph and Estimating Run-offs, and Hard Rock Aquifers of India • Includes extensive list of Artificial Recharge Techniques in practice today • Exhaustive Pedagogy: • 100+ Solved Examples • 100+ Review Questions • 200+ GATE based Objective Questions • 200+ Numerical Problems • 50+ Additional MCQs as Appendix • Review and Objective Questions marked with level of difficulty