Water Resources Engineering – I
Paper Code:- CE-605
Catchment area and its physical characteristics; Hydrologic cycle; Hydroclimatology.
Precipitation types and forms, Measurement of rainfall – Rain gauges, Estimation of missing rainfall data, checking of consistency, Optimum number of Rain gauges. Calculation of average rainfall over area – different methods. Frequency analysis of rainfall intensity duration curve. Rainfall mass curve, hyetograph.
Evaporation, evapotranspiration and infiltration – the processes, measurement and estimation.
Factors affecting run off, estimation of run off, rainfall run off relationship. Flow duration graph. Time for concentration. Peak flow.
Stream flow measurement; direct and indirect methods, stage discharge curve; backwater effects.
Hydrographs; characteristics. Base flow separation. Unit Hydrographs. Derivation of unit hydrographs. S-curve. Snyder’s and Clark’s synthetic unit hydrographs.
Types of Irrigation systems, methods of irrigation.
Water requirements of crops: Crop period or Base period, Duty & Delta of a crop, relation between Duty & Delta, Duty at various places, flow Duty & quantity Duty, factors affecting Duty, measures for improving Duty of water, crop seasons.
Canal Irrigation: Introduction, classification of irrigation canals, Efficient section, certain important definitions, Time factor, Capacity factor, full supply co-efficient, Nominal duty, Channel losses, Examples.
Design of unlined alluvial channels by silt Theories: Introduction, Kennedy’s theory, procedure for design of channel by Kennedy’s method, Lacey’s theory, concept of True regime Initial regime and final regime, design procedure using Lacey’s theory, ,Methods of prevention of silt deposition in canals and reservoirs,
examples. Lining of Irrigation Cannals : Objectives, advantages and disadvantages of canal lining , economics and requirements of canal lining, Types of lining, Design of lined Canals- examples
References :
- Water Resources Engineering – Ralph A. Wurbs and Wesley P. James- Prentice Hall of India.
- Water Resources Engineering- Larry W. Mays – John Wiley & Sons, Inc.
- Hydrology Principles, Analysis and Design by H. M. Raghunath.
- Hydraulics of Groundwater – J. Bear – McGraw-Hill.
- Water Resources Engineering Through Objective Questions – K. Subramanya – Tata McGraw-Hill.
- Engineering Hydrology-K. Subramanya-Tata McGraw-Hill.
- A Text Book of Hydrology-P. Jaya Ram Reddy-Luxmi Publications-New Delhi.
- Hydrology & Water Resource Engineering-S.K Garg-Khanna Publishers.
- Irrigation, Water Resource & Water Power Engineering-Dr. P.N Modi-Standard Book House-New Delhi.
- Irrigation & Water Power Engineering-B.C Purnia, S Pande-Standard Publication-New Delhi.
- Irrigation Engineering-G.L Aswa-Wiley Eastern-New Delhi.
