AKTU Soil & Water Conservation Engineering and Watershed Hydrology (BAG402) Syllabus PDF – B.Tech 2nd Year
Soil & Water Conservation Engineering and Watershed Hydrology BAG402
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- Semester 4
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Syllabus — Soil & Water Conservation Engineering and Watershed Hydrology
Download PDFBAG402 · 4 credits · L-T-P 3-1-0
| Scheme and Credits | L-T-P Theory Marks Sessional Total Credit |
| Test | Assig/Att. |
| 3-1-0 | 4 |
| Pre-requisites (if any) | Basic knowledge of mathematics and science of higher secondary level. |
Course Outcomes
Course Outcomes
Course Outcomes
| CO 1 | Understand hydrologic cycle, rainfall measurement, graphical relations, hydrologic process & runoff measurement. | K & K 2 4 |
| CO 2 | Analyze the geomorphology of watershed, stream gauging, draught classification, causes and management strategy. | K & K 2 1 |
| CO 3 | Understand soil erosion, its classification, mechanics of erosion, estimation of soil loss, rainfall erosivity and soil erodiability | K & K 4 5 |
| CO 4 | Familiarized with agronomical measures for water erosion, and analyze Engineering measures for soil erosion control. | K & K 2 4 |
| CO 5 | Understand Gully and ravine reclamation, wind break, Land capability classification, sediment estimation. | K & K 2 4 |
K - Remember, K - Understand, K - Apply, K - Analyze, K -Evaulate, K - Create
Course Content
Module 1
Hydrologic cycle, precipitation and its forms, rainfall measurement and estimation of mean rainfall, frequency analysis of point rainfall. Mass curve, hyetograph, depth-area-duration curves and intensity-duration-frequency relationship. Hydrologic processes-Interception, infiltration, measurement and indices. Evaporation - Estimation and measurement. Runoff - Factors affecting, measurement, and stage - discharge rating curve, estimation of peak runoff rate and volume, rational method, Cook’s method and SCS curve number method.
Module 2
Geomorphology of watersheds – Linear, aerial and relief aspects of watersheds- stream order, drainage density and stream frequency. Hydrograph - Components, base flow separation, unit hydrograph theory, S-curve, synthetic hydrograph, applications and limitations. Stream gauging - discharge rating curves, flood peak, design flood and computation of probable flood. Flood routing – channel and reservoir routing. Drought – classification causes and impacts, drought management strategy.
Module 3
Soil erosion - Introduction, causes and types - geological and accelerated erosion, agents, factors affecting and effects of erosion. Water erosion - Mechanics and forms - splash, sheet, rill, gully, ravine and stream bank erosion. Gullies - Classification, stages of development. Soil loss estimation – Universal soil loss equation (USLE) and modified USLE. Rainfall erosivity - estimation by KE>25 and EI 30 methods. Soil erodibility - topography, crop management and conservation practice factors. Measurement of soil erosion - Runoff plots, soil samplers.
Module 4
Water erosion control measures - agronomical measures - contour farming, strip cropping, conservation tillage and mulching. Engineering measures– Bunds and terraces. Bunds - contour and graded bunds - design. Terraces
- level and graded, broad base terraces, bench terraces - planning, design and layout procedure, contour stonewall and trenching.
Module 5
Gully and ravine reclamation - principles of gully control - vegetative measures, temporary structures and diversion drains. Grassed waterways and design. Wind erosion- Factors affecting, mechanics, soil loss estimation and control measures - vegetative, mechanical measures, wind breaks and shelter belts and stabilization of sand dunes. Land capability classification. Rate of sedimentation, silt monitoring and storage loss in tanks.
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