Hargreave's Class A Pan Evaporation Method Solution

STEP 0: Pre-Calculation Summary
Formula Used
Evapotranspiration = (Crop Factor*Pan Evaporation)
Et = (K*Ep)
This formula uses 3 Variables
Variables Used
Evapotranspiration - (Measured in Centimeter) - Evapotranspiration is the process by which water is transferred from the land to the atmosphere by evaporation from the soil and other surfaces and by transpiration from plants.
Crop Factor - Crop factor is the differences in water requirements and the proportion of Epan to be replaced.
Pan Evaporation - (Measured in Centimeter) - Pan evaporation is a measurement that combines or integrates the effects of several climate elements: temperature, humidity, rain fall, drought dispersion, solar radiation, and wind.
STEP 1: Convert Input(s) to Base Unit
Crop Factor: 0.58 --> No Conversion Required
Pan Evaporation: 42.74 Centimeter --> 42.74 Centimeter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Et = (K*Ep) --> (0.58*42.74)
Evaluating ... ...
Et = 24.7892
STEP 3: Convert Result to Output's Unit
0.247892 Meter -->24.7892 Centimeter (Check conversion ​here)
FINAL ANSWER
24.7892 Centimeter <-- Evapotranspiration
(Calculation completed in 00.018 seconds)

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Consumptive Use of Water or Evapotranspiration Calculators

Blaney-Criddle Formula of Monthly Consumptive Use
​ LaTeX ​ Go Monthly Consumptive Use = (Crop Factor*Monthly Percent of Annual Day Light Hours/40)*(1.8*Mean Monthly Temperature in C+32)
Hargreave's Class A Pan Evaporation Method
​ LaTeX ​ Go Evapotranspiration = (Crop Factor*Pan Evaporation)

Hargreave's Class A Pan Evaporation Method Formula

​LaTeX ​Go
Evapotranspiration = (Crop Factor*Pan Evaporation)
Et = (K*Ep)

How is the evaporation pan coefficient defined?

The ratio of the amount of evaporation from a large body of water to that measured in an evaporation pan.

What is class A pan used for?

The Class A pan evaporimeter is a popular instrument for the measurement of evaporation from a free water surface. Evaporimeter data are used primarily to estimate evapotranspiration from crop surfaces, and water requirements for irrigation.

How to Calculate Hargreave's Class A Pan Evaporation Method?

Hargreave's Class A Pan Evaporation Method calculator uses Evapotranspiration = (Crop Factor*Pan Evaporation) to calculate the Evapotranspiration, The Hargreave's Class A Pan Evaporation Method formula is defined as the standard National Weather Service Class A pan is the most widely used evaporation pan in the US. The evaporation pan of this standard set is made of stainless steel and has the dimensions of a “Class A "evaporation pan. Evapotranspiration is denoted by Et symbol.

How to calculate Hargreave's Class A Pan Evaporation Method using this online calculator? To use this online calculator for Hargreave's Class A Pan Evaporation Method, enter Crop Factor (K) & Pan Evaporation (Ep) and hit the calculate button. Here is how the Hargreave's Class A Pan Evaporation Method calculation can be explained with given input values -> 2478.92 = (0.58*0.4274).

FAQ

What is Hargreave's Class A Pan Evaporation Method?
The Hargreave's Class A Pan Evaporation Method formula is defined as the standard National Weather Service Class A pan is the most widely used evaporation pan in the US. The evaporation pan of this standard set is made of stainless steel and has the dimensions of a “Class A "evaporation pan and is represented as Et = (K*Ep) or Evapotranspiration = (Crop Factor*Pan Evaporation). Crop factor is the differences in water requirements and the proportion of Epan to be replaced & Pan evaporation is a measurement that combines or integrates the effects of several climate elements: temperature, humidity, rain fall, drought dispersion, solar radiation, and wind.
How to calculate Hargreave's Class A Pan Evaporation Method?
The Hargreave's Class A Pan Evaporation Method formula is defined as the standard National Weather Service Class A pan is the most widely used evaporation pan in the US. The evaporation pan of this standard set is made of stainless steel and has the dimensions of a “Class A "evaporation pan is calculated using Evapotranspiration = (Crop Factor*Pan Evaporation). To calculate Hargreave's Class A Pan Evaporation Method, you need Crop Factor (K) & Pan Evaporation (Ep). With our tool, you need to enter the respective value for Crop Factor & Pan Evaporation and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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