Water Resource Engineering
UNIT – I
Hydrology : Hydrologic Cycle. Water Budget Equation, Hydrologic system,
Precipitation : Types, measurements and analysis, error in estimation, missing data,
consistency of rainfall records, Intensity during frequency (IDF) and probabilitic maximum
Precipitation (PMP) curves.Evaporation and consumptive use: Process affecting factors, estimation and measurement
techniques.Infiltration : Process affecting factors, measurement and estimation, Infiltration Indices.
UNIT – II
Surface Runoff: Components and factors affecting runoff, methods of estimation of
runoff volume and peak runoff, rating curve, Rainfall – runoff relationships
Hydrograph analysis: components, factors affecting hydrographs, base flow separation,
Direct Runoff Hydrograph, Unit Hydrograph: Theory and assumptions. Derivation of
Unit Hydrograph, Synthetic Unit Hydrograph Introduction to computer models for
rainfall runoff analysis.Irrigation: Developments in India, Necessity and types Advantages & disadvantages of
irrigation. Functions of water in plant growth, Methods of Irrigation, Water requirement
of crops. Irrigation frequency, Irrigation efficiencies, Principal crops and crop season,
crop rotation.Canal irrigation: Classes and alignment, Parts of a canal system, Commanded area,
curves in channels, channel losses.
UNIT – III
Sediment Transportation: Suspended and Bed load and its estimation
Irrigation channels: Types: lined and unlined, silt theories: Kennedy’s and Lacey’s
Design procedure for irrigation channels, Longitudinal cross section, Schedule of areasections of an Irrigation channel, Computer programes for design of channelsLining of Irrigation Canals: Advantages and types, factors for selection of a particular
type, design of lined channels, cross section of lined channels, Economics of canal lining.
Water Logging: Definition, effects, causes and anti-water logging measures, Drainage of
water logged land, Types of drains open and closed, spacing of closed drains.
UNIT – IV
Regulation and control of canal system: Purpose, Types of canal regulation works and
their functional aspects.Irrigation Outlets: Requirements, types, non-modular, semi-module and rigid module,
selection criterion .River Training: Objective and need, classification of rivers, and river training works,
meandering, stages, methods of river training, bank protection, Methods for measurement
UNIT – V
Ground Water Hydrology: Zones of underground water, Aquifers and their types,
important terms, Determination of discharge through unconfined and confined aquifers
with steady flow conditions, Interference among wells, determination of aquifer
constants, Well loss and specific capacity, efficiency of a well, types of water wells,
bored and open wells, specific yield of a well, Relative merits of well and canal
irrigation, type of tube wells, well surrounding and well development, Suitable site
selection for a tube well, Types of open wells, Methods of lifting water. Infiltrationgalleries.