|HYDROLOGY AND WATER RESOURCES|
|Written by Administrator|
|Sunday, 01 November 2009 12:24|
PART - A
UNIT - 1
INTRODUCTION: Definition of hydrology. Importance of hydrology. Global water availability. India’s water availability. Practical applications of hydrology. Hydrologic cycle (Horton’s qualitative and engineering representations)
Definition. Forms and types of precipitation. Measurement of rain fall using Symon’s and Syphon type of rain gauges. Optimum number of rain gauge stations. Consistency of rainfall data (double mass curve method). Computation of mean rainfall (arithmetic average, Thiessen’s polygon and Isohyetal methods). Estimation of missing rainfall data (Arithmetic average, normal ratio and regression methods). Presentation of precipitation data (moving average curve, mass curve, rainfall hyetographs, intensity – duration - frequency curves).
UNIT - 2
LOSSES FROM PRECIPITATION
Introduction. EVAPORATION: Definition, Process, factors affecting, measurement using IS Class A Pan. Estimation using empirical formulae. Infiltration : Definition, factors affecting infiltration capacity, measurement (double ring infiltrometer). Harton’s infiltration equation, infiltration indices.
UNIT - 3
Definition. Concept of catchments. Water budget equation. Components. Factors affecting. Rainfall - runoff relationship using simple regression analysis.
Definition. Components of Hydrograph. Unit hydrograph and its derivation from simple storm hydrographs. Base flow separation. S – curve and its uses.
UNIT - 4
GROUND WATER HYDROLOGY AND WELL HYDRAULICS
Scope and importance of ground water hydrology. Aquifer parameters. Steady radial flow into wells in unconfined and confined aquifers. Types of wells, Methods of construction.
PART - B
UNIT - 5
STREAM FLOW MEASUREMENT: Introduction. Measurement of stage. Measurement of discharge by Area – Velocity method and slope area method. Simple stage discharge relation.
UNIT - 6
RESERVOIR SEDIMENTATION: Introduction. Process of erosion. Factors affecting erosion. Sediment yield. Reservoir Sediment control. Determination of Sediment Yield at a reservoir site (Using sample recorder).
UNIT - 7
WATER RESOURCES: Introduction. Water wealth. River basins and their potential. Importance of water resources projects in India. Water resources development in Karnataka.
UNIT - 8
RAINWATER HARVESTING: Introduction. Small scale and small tank harvesting. Urban rainwater harvesting. Methods of ground water recharge.
1. Hand Book of Hydrology – Ven Te Chow.
2. Hydrology and Water Resources Engineering – R.K. Sharma and Sharma, Oxford and IBH, New Delhi.
3. Hydrology and Water Resources Engineering – Garg S.K., Khanna Publishers, New Delhi.
4. Applied Hydrology – Linsley, Kohler and Paulhus, Wiley Eastern Publication, New Delhi.
5. Ground Water Hydrology – Todd, Wiley Eastern Publication, New Delhi.