Unit 1

Introduction – hydrologic cycle – catchment – stream patterns – description of the basin – hydrometeorology – constituents and vertical structure of atmosphere – general circulation – transitory systems – meteorological observations – formation of precipitation, types of precipitation, forms of precipitation, climate and weather seasons in India, rainfall variations, measurement, presentation of rainfall data, mean precipitation, abstractions from precipitation, evapotranspiration, runoff, hydrograph – concepts, assumptions and limitations of unit hydrograph. Ground water – aquifer types – flow of ground water – well hydraulics – types of wells – other sources of ground water. Irrigation – total planning concept – water requirements of crops – command area – duty-delta. Irrigation efficiency – irrigation requirement of crops.

Unit 2

Reservoir planning – site investigation – zones of storage – Reservoir yield – Estimation of Reservoir Capacity – Reservoir Sedimentation – Reservoir losses and control – Life of Reservoir. Diversion headworks – Types of diversion works – location of canal headworks – components of headworks – weir and barrages – causes of failure of weirs on permeable foundation and their remedies – criteria for the design of weirs and barrages – Design of impervious floor for subsurface flow – Bligh’s creep theory – Khosla’s theory design procedure. Dams – Types of dams and their selection – Gravity dam, arch dam, buttress dam, earth dams. Gravity dam – analysis and design. Spillways – Different types and suitability – Energy dissipation structures below spillway.

Unit 3

1. Garg, S. K., “Irrigation Engineering and Hydraulic Structures”, Khanna Publishers, 2006.
2. P. N Modi, Irrigation, Water Resources, and Water power Engineering, Standard Book House, 2014.

• Linsley. R. K.et.al., Water Resources Engineering, McGraw-Hill International Edition, 1996.
• Ven Te Chow et.al, Applied Hydrology, McGraw Hill Book Co, New York, 1988.
• K. Subramanya, Engineering Hydrology, Tata McGraw – hill publishers, New Delhi, 2008.
• Mays. L. W. Water Resources Handbook, McGraw – Hill International Edition, 1996
• Singh V. P, Elementary hydrology, Prentice Hall, Englewood Cliffs, New Jersey, 1992.