JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Pre Requisites

Water Resources Engineering

Course Objectives

The objective of the course is to study the moment, occurrence of

ground water and its development and management

Course Outcomes

At the end of the course, the student will be able to Understand Ground

Water occurrence, Ground Water Movement Well constructional etc..

UNIT - I

Ground Water Occurrence: Ground water hydrologic cycle, origin of ground water, rock properties effecting ground water, vertical distribution of ground water, zone of aeration and zone of saturation, geologic formation as Aquifers, types of aquifers, porosity, Specific yield and Specific retention.

UNIT - II

Ground Water Movement: Permeability, Darcy’s law, storage coefficient. Transmissivity, differential equation governing ground water flow in three dimensions derivation, ground water flow equation in polar coordinate system. Ground water flow contours their applications.

UNIT - III

Steady groundwater flow towards a well in confined and unconfined aquifers – Dupuit’s and Theim’s equations, Assumptions, Formation constants, yield of an open well Well interface and well tests – Recuperation Test.

Unsteady flow towards a well – Non equilibrium equations – Theis’ solution – Jocob and Chow’s simplifications, Leaky aquifers – Well Interference.

UNIT - IV

Surface and Subsurface Investigation: Surface methods of exploration – Electrical resistivity and Seismic refraction methods. Subsurface methods – Geophysical logging and resistivity logging. Aerial Photogrammetry applications along with Case Studies in Subsurface Investigation.

Artificial Recharge of Ground Water: Concept of artificial recharge – recharge methods, relative merits, Applications of GIS and Remote Sensing in Artificial Recharge of Ground water along with Case studies.

R16 B.TECH CIVIL & ENV. ENGG.

UNIT - V

Well Construction – Drilling Equipment used for Well Construction – Bore log – Interpretation of Log Data.

Saline Water Intrusion in aquifer: Occurrence of saline water intrusions, Ghyben- Herzberg relation, Shape of interface, control of seawater intrusion. Groundwater Basin Management: Concepts of conjunction use, Case studies.

TEXT BOOKS:

• 1. Ground water Hydrology by David Keith Todd, John Wiley & Son, New York.
• 2. Groundwater by H. M. Raghunath, Wiley Eastern Ltd.
• 3. Ground Water Hydrology by D.K. Todd and L.R Mays John Willey.

REFERENCES:

• 1. Groundwater Hydrology by Bower, John Wiley & sons.
• 2. Groundwater System Planning & Management – R. Willes & W. W. G. Yeh, Prentice Hall.
• 3. Applied Hydrogeology by C. W. Fetta, CBS Publishers & Distributers. R16 B.TECH CIVIL & ENV. ENGG.