Introduction ,Hydrologic cycle (Horton’s representation). Waterbudget equationPrecipitation: introduction, forms of precipitation, types ofprecipitation, measurement of precipitation (Simon’s gauge &Syphon gauge only), selection of rain gauge station. Adequacyof raingauges, methods of computing average rainfall,interpolation of missing data, adjustment of missing data bydouble mass curve method. Hyetograph and mass curve ofrainfall,
Evaporation: Definition, factors affecting, measurement (ClassA pan). Estimation using empirical methods (Meyer’s andRohwer’s equation), evaporation control.Evapo-transpiration: Definition, factors affecting, measurement,estimation ( Blaney criddle method)Infiltration: Definition, factors affecting, measurement ( doublering infiltrometer ), infiltration indices, Horton’s equation ofinfiltration.
Definition, components of hydrographs, unit hydrograph and itsderivation from simple storm hydrograph, base flow separation,Prepositions of unit hydrograph- problems
Definition of flood, factors affecting flood, methods ofestimation ( envelope curves, empirical formulae, rationalmethod ).Flood routing: Introduction to hydrological routing, relationshipof out flow and storage, general storage equation, Muskingumrouting method.
Introduction, need for irrigation, advantages and disadvantagesof irrigation, environmental impacts of irrigation, Systems ofirrigation: Gravity irrigation, lift irrigation, well irrigation, tubewell irrigation, infiltration galleries, sewage irrigation,supplemental irrigation.
Introduction, soil profile, physical properties of soil, soilclassification. Indian soils, functions of irrigation soils,maintaining soil fertility, soil-water-plant relationship, soil-moisture. Irrigation relationship, frequency of irrigation.
Introduction, definitions, crop seasons of India, waterrequirement of a crop, duty, delta, base period. Consumptiveuse. Irrigation efficiencies. Assessment of irrigation water.
Definition, Types of canals, Alignment of canals, Design ofcanals by Kenedy’s and Lacey’s methods- Problems