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The ISI standard pan evaporimeter is
- a)Same as the US class A pan
- b)has an average pan coefficient value of 0.60
- c)has less evaporation than a US class A pan
- d)has more evaporation than a US class A pan
Correct answer is option 'C'. Can you explain this answer?
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The ISI standard pan evaporimeter isa)Same as the US class A panb)has ...
An ISI standard pan evaporimeter has about 14% less evaporation than a US class A pan.
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The ISI standard pan evaporimeter isa)Same as the US class A panb)has ...
ISI Standard Pan Evaporimeter
The ISI (Indian Standards Institution) Standard Pan Evaporimeter is a device used for measuring evaporation rates in open water bodies. Let's understand the given answer in detail:
Difference from US Class A Pan
The ISI Standard Pan Evaporimeter is different from the US Class A Pan in terms of its design and characteristics. The US Class A Pan has a diameter of 121.9 cm and a depth of 25.4 cm, while the ISI Standard Pan Evaporimeter has a diameter of 122 cm and a depth of 25 cm.
Average Pan Coefficient Value
The pan coefficient value is a measure of the efficiency of the pan in capturing and measuring evaporation. The ISI Standard Pan Evaporimeter has an average pan coefficient value of 0.60, which means that it captures only 60% of the actual evaporation rate.
Less Evaporation than US Class A Pan
Since the ISI Standard Pan Evaporimeter captures only 60% of the actual evaporation rate, it has less evaporation than the US Class A Pan, which captures nearly 100% of the actual evaporation rate. Therefore, option C is the correct answer.
Importance of Evaporation Measurement
Evaporation measurement is an important aspect of hydrological studies and water resource management. Accurate measurement of evaporation rates helps in estimating water availability, planning irrigation systems, and managing water resources for various purposes. The ISI Standard Pan Evaporimeter is a widely used device for measuring evaporation rates in India.
The ISI (Indian Standards Institution) Standard Pan Evaporimeter is a device used for measuring evaporation rates in open water bodies. Let's understand the given answer in detail:
Difference from US Class A Pan
The ISI Standard Pan Evaporimeter is different from the US Class A Pan in terms of its design and characteristics. The US Class A Pan has a diameter of 121.9 cm and a depth of 25.4 cm, while the ISI Standard Pan Evaporimeter has a diameter of 122 cm and a depth of 25 cm.
Average Pan Coefficient Value
The pan coefficient value is a measure of the efficiency of the pan in capturing and measuring evaporation. The ISI Standard Pan Evaporimeter has an average pan coefficient value of 0.60, which means that it captures only 60% of the actual evaporation rate.
Less Evaporation than US Class A Pan
Since the ISI Standard Pan Evaporimeter captures only 60% of the actual evaporation rate, it has less evaporation than the US Class A Pan, which captures nearly 100% of the actual evaporation rate. Therefore, option C is the correct answer.
Importance of Evaporation Measurement
Evaporation measurement is an important aspect of hydrological studies and water resource management. Accurate measurement of evaporation rates helps in estimating water availability, planning irrigation systems, and managing water resources for various purposes. The ISI Standard Pan Evaporimeter is a widely used device for measuring evaporation rates in India.
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The ISI standard pan evaporimeter isa)Same as the US class A panb)has an average pan coefficient value of 0.60c)has less evaporation than a US class A pand)has more evaporation than a US class A panCorrect answer is option 'C'. Can you explain this answer?
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