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Introduction to Surface Introduction to Surface
Irrigation SystemsIrrigation Systems
IRRIGATION AND WATER RESOURCES ENGINEERING
PROGRAM
UTAH STATE UNIVERSITY
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Surface Irrigation Methods Surface Irrigation Methods ----
Discussion 3Discussion 3Preparation:Preparation:
Read Chapter 3 in Walker (2007) and Chapter 5 in Hargreaves and Merkley(1998)
Discussion 1 DISCUSSION OF SURFACE IRRIGATION IN IRAQDiscussion 1 DISCUSSION OF SURFACE IRRIGATION IN IRAQ
1. Needs Assessment --
1. What is surface irrigation in Iraq like today?
2. What methods are used?
3. How large are the fields? Is the water supply mainly from canals?
4. How much groundwater pumping is used?
2. Opportunities for Improving Irrigation Efficiency and Uniformity–
1. Is laser guided land leveling used in Iraq?
2. What is the availability of aluminum and PVC pipe?
3. Is there any kind of flow measurement situated in the irrigation system?
3. Conducting a Field Reconnaissance –
1. Does the extension service offer any services in which the efficiency and uniformity of surface irrigation is evaluated at the field level.
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Presentation 3 – Surface Irrigation Systems
� Subsystems of a Surface Irrigation System� Types of Surface Irrigation Systems
� Basins� Borders� Furrows
� Water Supply and Management� Inlet Control� Land Leveling� Wastewater Recovery and Reuse
� Surface Irrigation Structures� Diversion Structures� Management Structures� Field Distribution Structures
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Types of Surface Irrigation Systems Types of Surface Irrigation Systems ----
BasinsBasins
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Types of Surface Irrigation Types of Surface Irrigation
Systems Systems ---- BordersBorders
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Types of Surface Irrigation Systems Types of Surface Irrigation Systems ----
FurrowsFurrows
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Land Leveling
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ReuseReuse
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Surface Irrigation Structures Surface Irrigation Structures ––
Measurement DevicesMeasurement Devices
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Surface Irrigation Structures Surface Irrigation Structures –– Field Field
Distribution DevicesDistribution Devices
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Surface Irrigation Structures Surface Irrigation Structures ––
Field Distribution DevicesField Distribution Devices
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Evaluation of Surface Irrigation Systems Evaluation of Surface Irrigation Systems ––InfiltrationInfiltration
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Evaluation of Surface Irrigation Evaluation of Surface Irrigation
Systems Systems –– Flow GeometryFlow Geometry
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Evaluation of Surface Irrigation Evaluation of Surface Irrigation
Systems Systems –– Field InflowField Inflow
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Evaluation of Surface Irrigation Evaluation of Surface Irrigation
Systems Systems –– Field OutflowField Outflow
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Evaluation of Surface Irrigation Systems Evaluation of Surface Irrigation Systems ––
Advance/RecessionAdvance/Recession
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Evaluation of Surface Irrigation Evaluation of Surface Irrigation
Systems Systems –– Advance/RecessionAdvance/Recession
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End of Presentation 3End of Presentation 3
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Surface Irrigation Methods Surface Irrigation Methods ----
Discussion 3Discussion 3Discussion 1 DISCUSSION OF SURFACE IRRIGATION IN IRAQDiscussion 1 DISCUSSION OF SURFACE IRRIGATION IN IRAQ
1. Needs Assessment --
1. What is surface irrigation in Iraq like today?
2. What methods are used?
3. How large are the fields? Is the water supply mainly from canals?
4. How much groundwater pumping is used?
2. Opportunities for Improving Irrigation Efficiency and Uniformity–
1. Is laser guided land leveling used in Iraq?
2. What is the availability of aluminum and PVC pipe?
3. Is there any kind of flow measurement situated in the irrigation system?
3. Conducting a Field Reconnaissance –
1. Does the extension service offer any services in which the efficiency and uniformity of surface irrigation is evaluated at the field level.