KTU B.Tech Lecture Notes WATER RESOURCES ENGINEERING
Hydrologic cycle-precipitation-mechanism, types and forms. Measurement of rainfall using rain gauges-optimum number of rain gauges. Estimation of missing precipitation. Representation of rainfall data-mass curve and hyetograph. Computation of mean precipitation over a catchment. Design rainfall – probable maximum rainfall. Infiltration-measurement by double ring infiltrometer. Horton’s model. Evaporation-measurement by IMD land pan, control of evaporation.
Runoff-components of runoff-methods of estimation of runoffinfiltration indices, Hydrograph analysis-Hydrograph from isolated storm-Base flow separation. Unit hydrograph –uses. Assumptions and limitations of unit hydrograph theory. Computation of storm/flood hydrograph of different duration by method of superposition and by development of S– Hydrograph.