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Questions and Answers
What is the term for the amount of water stored in a reservoir between its minimum and normal water levels?
What is the term for the amount of water stored in a reservoir between its minimum and normal water levels?
- Dead storage
- Designed height
- Conveyance loss
- Active storage (correct)
Which of the following describes the ratio of infiltrated water in the root zone to applied irrigation water?
Which of the following describes the ratio of infiltrated water in the root zone to applied irrigation water?
- Conveyance efficiency
- Crop coefficient
- Application efficiency (correct)
- Distribution uniformity
What term describes when algae overgrows in water, producing dangerous toxins?
What term describes when algae overgrows in water, producing dangerous toxins?
- Afflux elevation
- Contamination
- Algal bloom (correct)
- Conveyance loss
A rise in maximum flood level due to an obstruction like a dam is known as:
A rise in maximum flood level due to an obstruction like a dam is known as:
What is defined as the maximum average contact pressure between a foundation and the soil that should not cause soil failure?
What is defined as the maximum average contact pressure between a foundation and the soil that should not cause soil failure?
Which irrigation method uses parallel strips with water flowing down the slope at a relatively uniform depth?
Which irrigation method uses parallel strips with water flowing down the slope at a relatively uniform depth?
What term refers to the water lost from a channel during transport due to seepage?
What term refers to the water lost from a channel during transport due to seepage?
What is the depth of water flow where the energy content is at a minimum?
What is the depth of water flow where the energy content is at a minimum?
The ratio of actual crop evapotranspiration to its potential is known as:
The ratio of actual crop evapotranspiration to its potential is known as:
What is the term for a geologic formation that can store and transmit water at a rate sufficient for pumping?
What is the term for a geologic formation that can store and transmit water at a rate sufficient for pumping?
Flashcards
Access Areas
Access Areas
Areas open for public entry such as parks and playgrounds.
Active Storage
Active Storage
Volume of water held in a reservoir between minimum and normal levels.
Algal Bloom
Algal Bloom
Overgrowth of algae in water, creating dangerous toxins.
Application Efficiency
Application Efficiency
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Aquifer
Aquifer
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Basin Irrigation
Basin Irrigation
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Confined Aquifer
Confined Aquifer
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Contamination
Contamination
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Crop Coefficient
Crop Coefficient
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Diversion Dam
Diversion Dam
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Study Notes
Definitions and Concepts
- Access areas: Areas open to the public for activities like golf, parks, playgrounds, and industrial parks.
- Active storage: Reservoir water volume between minimum and normal water levels.
- Actual crop evapotranspiration: Evapotranspiration rate equal to or less than predicted, affected by factors like soil water, salinity, field size.
- Afflux elevation: Rise in maximum flood level due to obstructions like dams.
- Algal bloom: Excessive growth of algae producing toxins in fresh or saltwater.
- Application efficiency: Ratio of infiltrated/stored irrigation water to total applied.
- Aquifer: Geological formation holding water that can be economically pumped.
- Basin: Level field surrounded by a dike to prevent runoff, used for undirected water flow.
- Basin irrigation: Water application to a basin through gaps in the perimeter or adjacent ditches.
- Bearing capacity: Maximum soil pressure without shear failure.
- Border irrigation: Water flow in parallel strips for nearly uniform irrigation depth.
- Border strip: Area bounded by ridges/dikes, guiding irrigation stream.
- Channel bed slope: Gradient of the channel bottom.
- Confined aquifer: Groundwater confined by impermeable layers.
- Contamination: Introduction of unsuitable substances to water making it undesirable for use..
- Conveyance efficiency: Ratio of water received to water released by a project.
- Conveyance loss: Water lost from channels through seepage and percolation.
- Crop coefficient: Ratio of actual to potential crop evapotranspiration.
- Crop evapotranspiration: Evapotranspiration rate of a disease-free crop under optimal conditions.
- Cropping pattern: Sequence of crops grown on a field.
- Crop water requirements: Total water needed for crop production (evapotranspiration plus losses).
- Dam: Barrier used to store water.
- Dam height: Vertical height from the ground line to the dam crest.
- Dead storage: Reservoir volume below the intake structure, based on sediment accumulation.
- Depth: Water depth in a channel cross-section.
- Design irrigable area: Maximum area an irrigation project serves.
- Design height: Actual height of an embankment post-settlement.
- Distribution uniformity: Numerical value for application consistency in irrigation.
- Diversion dam: Structure raising water level and diverting flow to irrigation canals.
- Diversion water requirement: Total water diverted from a source for irrigation.
Additional Notes (Page 2)
- Area: Cross-sectional flow measurement perpendicular to flow direction.
- Basin irrigation: Type of surface irrigation where water is spread over a level area.
- Critical depth: Water depth in a channel where energy content is minimal, with no backwater.
- Crop coefficient: Ratio representing the actual crop evapotranspiration to its potential evapotranspiration.
Additional Notes (Page 3-6)
- (Information on specific types of irrigation, water sources, or other technical concepts)
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