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Subject Details

Dept : CIVIL

Sem : 6

Regul : 2017

Faculty : PRIYA V

phone : NIL

E-mail : vrpriyaashree@gmail.com

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Lecture Notes

UNIT 1:

Need of Irrigation

Classification of Irrigation

types of crops

historical development and merits and demerits of irrigation

crop season

duty, delta and base period

consumptive use of crops

estimation of Evapotranspiration using experimental method

estimation of Evapotranspiration using theoretical methods

UNIT 2:

Tank irrigation

Well irrigation

Surface and Sub-Surface and Micro Irrigation

design of drip irrigation

design of sprinkler irrigation

ridge and furrow irrigation

Irrigation scheduling

Water distribution system

Irrigation efficiencies.

UNIT 3:

Types of Impounding structures

Gravity dam

Forces on a dam

Design of Gravity dams

Earth dams

Arch dams

Diversion Head works

Weirs

Barrages

UNIT 4:

Canal regulations

direct sluice

Canal drop

Cross drainage works-Canal outlets

Design of prismatic canal

canal alignments

Canal lining

Kennedy’s and Lacey’s Regime theory

Design of unlined canal

UNIT 5:

Modernization techniques

Rehabilitation

Optimization of water use

Minimizing water losses

On form development works

Participatory irrigation management

Water resources associations

Changing paradigms in water management

Performance evaluation-Economic aspects of irrigation

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