Podcast
Questions and Answers
What is the term for the ratio of actual crop evapotranspiration to its potential evapotranspiration?
What is the term for the ratio of actual crop evapotranspiration to its potential evapotranspiration?
- Evaporation ratio
- ET ratio
- Crop ratio
- Crop coefficient (correct)
When gravitational water has been removed, what is the term for the moisture content of the soil?
When gravitational water has been removed, what is the term for the moisture content of the soil?
- Field capacity (correct)
- Specific capacity
- Gravitational moisture
- Soil capacity
What is the surveying instrument used for determining land areas in topographic maps?
What is the surveying instrument used for determining land areas in topographic maps?
- Lysimeter
- Erometer
- Aerometer
- Planimeter (correct)
Which facility is used for determining the water consumptive use of crops in an open field?
Which facility is used for determining the water consumptive use of crops in an open field?
What term is used to describe the time required to cover an area with one application of water during irrigation?
What term is used to describe the time required to cover an area with one application of water during irrigation?
At optimal emitter spacing, what percentage of the wetted diameter estimated from field tests is the drip emitter spacing?
At optimal emitter spacing, what percentage of the wetted diameter estimated from field tests is the drip emitter spacing?
What is the albedo of the hypothetical reference crop used to calculate reference crop evapotranspiration?
What is the albedo of the hypothetical reference crop used to calculate reference crop evapotranspiration?
What instrument is commonly used to measure rainfall?
What instrument is commonly used to measure rainfall?
What is the term for the part of rainfall that runs off the soil as surface or subsurface flow?
What is the term for the part of rainfall that runs off the soil as surface or subsurface flow?
At what temperature is the manufacturer's coefficient of variation for emitter discharge determined?
At what temperature is the manufacturer's coefficient of variation for emitter discharge determined?
What is the flattest canal side slope ratio?
What is the flattest canal side slope ratio?
What is the ratio of runoff over rainfall called?
What is the ratio of runoff over rainfall called?
What term is used for the part of rainfall stored in the root zone and available for plant use?
What term is used for the part of rainfall stored in the root zone and available for plant use?
What is the side slope angle Ó¨ with the horizontal plane for an unlined canal with a side slope ratio (run:rise) of 2:1?
What is the side slope angle Ó¨ with the horizontal plane for an unlined canal with a side slope ratio (run:rise) of 2:1?
What is the inverse of the probability of exceedance of a specific hydrologic event called?
What is the inverse of the probability of exceedance of a specific hydrologic event called?
Which of the following is the correct formula for calculating the side slope angle Ó¨ with the horizontal plane?
Which of the following is the correct formula for calculating the side slope angle Ó¨ with the horizontal plane?
What is the relationship between the side slope ratio (run:rise) and the side slope angle Ó¨ with the horizontal plane?
What is the relationship between the side slope ratio (run:rise) and the side slope angle Ó¨ with the horizontal plane?
Which airmass lifting process is facilitated by sunlight or heating?
Which airmass lifting process is facilitated by sunlight or heating?
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