Water Resources Engineering-I (Civil 3-2)

Course Objective:
Engineering Hydrology and its applications like Runoff estimation, estimation of design discharge and flood routing. Irrigation Engineering – Water utilization for Crop growth, canals and their designs.

INTRODUCTION TO HYDROLOGY: Engineering hydrology and its applications; Hydrologic cycle; precipitation- types and forms, rainfall measurement, types of rain gauges, computation of average rainfall over a basin, presentation and interpretation of rainfall data.
DESCRIPTIVE HYDROLOGY: Evaporation- factors affecting evaporation, measurement of evaporation; Infiltration- factors affecting infiltration, measurement of infiltration, infiltration indices; Run off- Factors affecting run- off, Computation of run-off; Design Flood; Estimation of maximum rate of run-off; separation of base flow.

HYDROGRAPH ANALYSIS: Hydrograph; Unit Hydrograph- construction and limitations of Unit hydrograph, Application of the unit hydrograph to the construction of a flood hydrograph resulting from rainfall of unit duration; S-hydrograph.
GROUND WATER: Introduction; Aquifer; Aquiclude; Aquifuge; aquifer parameters- porosity, Specific yield, Specific retention; Divisions of sub–surface water; Water table; Types of aquifers; storage coefficient-coefficient of permeability and transmissibility; well hydraulics- Darcy‟s law; Steady radial flow to a well –Dupuit‟s theory for confinedand unconfined aquifers; Tube well; Open well; Yield of an open well–Constant level pumping test, Recuperation test.

IRRIGATION: Introduction; Necessity and Importance of Irrigation; advantages and ill effects of Irrigation; types of Irrigation; methods of application of Irrigation water; quality for Irrigation water. Duty and delta; duty at various places; relation between duty and delta; factors affecting duty; methods of improving duty.
WATER REQUIREMENT OF CROPS: Types of soils, Indian agricultural soils, preparation of land for Irrigation; soil fertility; Soil-water-plant relationship; vertical distribution of soil moisture; soil moisture tension; soil moisture stress; various soil moisture constants; Limiting soil moisture conditions; Depth and frequency of irrigation; Gross command area; Culturable command area; Culturable cultivated and uncultivated area; Kor depth and Kor period; crop seasons and crop rotation; Irrigation efficiencies; Determination of irrigation requirements of crops; Assessment of Irrigation water. Consumptive use of water-factors affecting consumptive use, direct measurement and determination by use of equations (theory only)

CHANNELS – SILT THEORIES: Classification; Canal alignment; Inundation canals; Cross–section of an irrigation channel; Balancing depth; Borrow pit; Spoil bank; Land width; Silt theories–Kennedy‟s theory, Kennedy‟s method of channel design; Drawbacks in Kennedy‟s theory; Lacey‟s regime theory- Lacey‟s theory applied to channel design; Defects in Lacey‟s theory; Comparison of Kennedy‟s and Lacey‟s theory.
WATER LOGGING AND CANAL LINING: Water logging; Effects of water logging; Causes of water logging; Remedial measures; Saline and alkaline soils and their reclamation; Losses in canal; Lining of irrigation channels – necessity, advantages and disadvantages; Types of lining; Design of lined canal.

DIVERSION HEAD WORKS: Types of diversion head works; Diversion and Storage head works; weirs and barrages; Layouts of diversion head works; components; Causes and failure of hydraulic structures on permeable foundations; Blighs creep theory; Khoslas theory; Determination of uplift pressure, impervious floors using Blighs and Khoslas theory; Exit gradient.
CANALOUTLETS: Introduction; types of outlet; flexibility, proportionality, setting ,hyper proportional outlet, sub-proportional outlet, sensitivity, efficiency of an outlet, drowning ratio, modular limit; pipe outlet; Kennedy‟s gauge outlet; Gibb‟s module; canal escape.

Study Material's for Water Resources Engineering-I

Lecture Notes(Complete ): Download
WRE-I (short & Easy Notes): Download
2 Mark's for all Units: Download
2 Mark's Part-II: Download
Important Questions(Q & A): Download
Engineering Hydrology by K Subramanya: Download

Introductio to hydrology: Download
Descriptive Hydrplogy: Download
Total Unit-1[PPT]: Download

Basic Definitions: Download
Hydrograph Analysis: Download
Subsurface Water: Download
Water Table: Download
Types of Aquifers: Download
Well Hydralics: Download
Pumping Tests: Download

Irrigation: Download
Types of Irrigation: Download
Water Requirements of crops: Download
Duty & Delta: Download

Canal Irrigation: Download
Canal Irrigation[PPT]: Download
Kennedy’s theory: Download
Lacey’s Regime Theory: Download
Comparision B/W Kennedy's & Lacey Regime theory: Download
Water Logging[ppt]: Download
Water Logging[PDF]: Download
Lining the Canal: Download

Diversion head Works: Download
Diversion head works[PPT]: Download
Canal Outlets: Download
Khoslas Theory: Download