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Module-I (7 hr)
• Soil erosion – Introduction.
• Causes and types of erosion.
• Agents, Factors, Effects causing erosion.
• Water erosion - Mechanics and forms of erosion.
• Stream bank erosion
• Gully Classification and Stages of gully development.
Practice (2.5 hr)
• Visit to soil erosion sites and watershed project areas for studying erosion control and water conservation measures.
• Determination of length of slope (LS) and cropping practice(CP) factors for soil loss estimation by USLE
Module-II (8.5 hr)
• Runoff harvesting – short-term and long term.
• Roof top rain water Harvesting
• Soil loss estimation – Universal soil loss equation (USLE) and modified USLE.
• Erosivity and Erodibility
• Rainfall erosivity - estimation by KE>25 and EI30 methods.
• Water erosion control measures - agronomical measures.
• Engineering measures– Contour Bunds and Graded Bunds.
• Terraces-Broad Based and Bench terrace.
Practice (5 hr)
• Computation of soil erodibility index in soil loss estimation.
• Exercises on computation of rainfall erosivity index.
• Design and layout of contour bunds.
• Design and layout of graded bunds.
• Design and layout of bench terrace.
Module-III (6.5 hr)
• Gully Control measures.
• Permanent structures for soil conservation-Drop spillway-parts and components.
• Chute spillway -parts and components
• Drop inlet spillway-parts and components
Practice (4 hr)
• Design of drop spillway.
• Design of chute spillway.
• Field visit to watershed project areas treated with soil and water conservation measures.
• Hydrologic, hydraulic and structural design of spillway.
Module-IV (8 hr)
• Hydraulic jump and its application.
• Grassed waterways and design.
• Wind erosion- Factors affecting, mechanics.
• Sediment Transportation
• Land capability classification.
• Percolation pond - site selection, design and construction details.
• Farm pond -components, site selection, capacity.
Practice (1 hr)
• Design of vegetative waterways
Soil erosion – Introduction.
PDF: Introduction to soil erosion
Introduction Soil Erosion (Link)
Introduction-Soil Erosion-NPTEL
Practice-
• Visit to soil erosion sites and watershed project areas for studying erosion control and water conservation measures.
Soil erosion and its types
PDF: Soil erosion and types
Erosion animation (Link)
Soil Erosion Causes and types(NPTEL)
Agents, Factors, Effects causing erosion
PDF: Factors Causing erosion
Effects of erosion (Link)
Prevention of soil erosion (Link)
Water erosion - Forms of erosion
PDF: Water erosion and its forms
Water erosion (Link)
Water erosion(NPTEL)
Stream Bank Erosion
Icar note: Stream Bank Erosion
Stream bank erosion watch from 1.40sec(Link)
Gully Classification and stages
PDF: Gully classification and stages
Gully erosion (Link)
Active Gully (Link)
Gully Classification(NPTEL)
Soil loss estimation – Universal soil loss equation (USLE)
PDF: Soil loss estimation
Universal Soil Loss Equation (Link)
Soil loss estimation(NPTEL)
Practice-
• Determination of length of slope (LS) and cropping practice(CP) factors for soil loss estimation by USLE
• Computation of soil erodibility index in soil loss estimation.
Rainfall erosivity - estimation by KE>25 and EI30 methods.
PDF: EI30 and KE 25
Erosivity Index (Link)
Practice-
• Exercises on computation of rainfall erosivity index.
Water erosion control measures - agronomical measures
PDF: Erosion control agronomical measures
Erosion control (Link)
Agronomical measures (Link)
Water erosion control measures - agronomical measures-2
PDF: Agronomic measures
Conservation measure(Link)
Engineering measures– Contour Bunds
PDF: Bunds
Ariel view of contour bunding (Link)
Demo of contour bund (Link)
Contour Bunds-NPTEL
Practice-
Design of contour Bunds
Design of Contour bunds (Link)
Contour bund pdf
Engineering Measures-Graded Bunds
Note:Bunding Methods for Water Erosion
Graded Bunds-NPTEL
Practice-
Design of graded bunds
Design of Graded bunds (Link)
Design of graded bunds pdf
Terraces-bench terrace
PDF: Bench terrace
Terraces ariel view (Link)
Terraces-NPTEL
Practice-
Design of bench terrace
Design of bench terrace link
Permanent structure for soil conservation-Drop spillway
PDF: Drop spillway
Drop spillway animation (Link)
Permanent structures (Link)
Drop spillway-NPTEL
Practice-
Design Requirements of Gully Control Structures
Drop Spillway Design
Chute Spillway -Parts,description and components
PDF: Chute Spillway
Chute spillway(Link)
Practice-
Design of Chute Spillway
Drop inlet spillway-Parts,components and funtional use
PDF: Drop inlet
Drop Inlet(Link)
Inlet of drop inlet spillway(Link)
Practice-
PDF: Drop Spillway Design
Grasssed water way
Grassed Waterways icar note
Grassed waterways (Link)
Grassed waterway-NPTEL
Practice-
Design of vegetative waterway
Grassed waterway link
Wind erosion- Factors affecting and mechanics
PDF: Wind erosion
Wind erosion-link
Wind Erosion-NPTEL
Percolation pond - site selection, design and construction details.
PDF: Percolation pond - site selection, design and construction details
Practice-
Construction of Percolation pond (Link)
PDF: Farm pond - components, site selection, design criteria
Farm Pond(Start from 4 min)
Practice-
• Computation of storage capacity of embankment type of farm ponds
Farm Pond Design and Construction
Farm Pond construction (Link)
Completed B.Tech(Ag. Engg.) and M.Tech(Ag.Engg.),SWCE in OUAT. Qualified ICAR-NET. Now working as an Assistant Professor in Agricultural Engineering.
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