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Curve Number for Antecedent Moisture Condition-III Formula

GoCurve Number Formula

GoCurve Number for Antecedent Moisture Condition One Formula

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Curve Number is based on the area's hydrologic soil group, land use , treatment and hydrologic condition. Check FAQs

CN = \frac{CN 11}{0.427 + 0.00573 \cdot CN 11}

CN - Curve Number?CN₁₁ - Runoff Curve Number?

Curve Number for Antecedent Moisture Condition-III Example

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Here is how the Curve Number for Antecedent Moisture Condition-III equation looks like with Values.

Here is how the Curve Number for Antecedent Moisture Condition-III equation looks like with Units.

Here is how the Curve Number for Antecedent Moisture Condition-III equation looks like.

16.919 = \frac{8}{0.427 + 0.00573 \cdot 8}

16.919 = \frac{8}{0.427 + 0.00573 \cdot 8}

16.919 = \frac{8}{0.427 + 0.00573 \cdot 8}

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Engineering Hydrology » fx Curve Number for Antecedent Moisture Condition-III

Curve Number for Antecedent Moisture Condition-III Solution

Follow our step by step solution on how to calculate Curve Number for Antecedent Moisture Condition-III?

FIRST Step Consider the formula

CN = \frac{CN 11}{0.427 + 0.00573 \cdot CN 11}

Next Step Substitute values of Variables

∴

CN = \frac{8}{0.427 + 0.00573 \cdot 8}

Next Step Prepare to Evaluate

∴

CN = \frac{8}{0.427 + 0.00573 \cdot 8}

Next Step Evaluate

∴

CN = 16.9190423822012

LAST Step Rounding Answer

∴

CN = 16.919

Curve Number for Antecedent Moisture Condition-III Formula Elements

Variables

Curve Number

Curve Number is based on the area's hydrologic soil group, land use , treatment and hydrologic condition.

Symbol: CN

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Curve Number

Runoff Curve Number

Runoff Curve Number is an empirical parameter used in hydrology for predicting direct runoff or infiltration from rainfall excess under AMC-11.

Symbol: CN₁₁

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Runoff Curve Number

Other Formulas to find Curve Number

Go Curve Number

CN = \frac{25400}{S CN + 254}

Go Curve Number for Antecedent Moisture Condition One

CN = \frac{CN 11}{2.281 - 0.01281 \cdot CN 11}

Other formulas in Curve Number (CN) category

Go Potential Maximum Retention

S CN = (\frac{25400}{CN}) - 254

Go Potential Maximum Retention given Curve Number

S CN = 254 \cdot (\frac{100}{CN} - 1)

How to Evaluate Curve Number for Antecedent Moisture Condition-III?

Curve Number for Antecedent Moisture Condition-III evaluator uses Curve Number = Runoff Curve Number/(0.427+0.00573*Runoff Curve Number) to evaluate the Curve Number, The Curve Number for Antecedent Moisture Condition-III formula is defined as the primary input parameter for the SCS runoff equation, for sufficient rainfall has occurred within the immediate past 5 days. Saturated soil conditions prevail. Curve Number is denoted by CN symbol.

How to evaluate Curve Number for Antecedent Moisture Condition-III using this online evaluator? To use this online evaluator for Curve Number for Antecedent Moisture Condition-III, enter Runoff Curve Number (CN₁₁) and hit the calculate button.

FAQs on Curve Number for Antecedent Moisture Condition-III

What is the formula to find Curve Number for Antecedent Moisture Condition-III?

The formula of Curve Number for Antecedent Moisture Condition-III is expressed as Curve Number = Runoff Curve Number/(0.427+0.00573*Runoff Curve Number). Here is an example- 16.91904 = 8/(0.427+0.00573*8).

How to calculate Curve Number for Antecedent Moisture Condition-III?

With Runoff Curve Number (CN₁₁) we can find Curve Number for Antecedent Moisture Condition-III using the formula - Curve Number = Runoff Curve Number/(0.427+0.00573*Runoff Curve Number).

What are the other ways to Calculate Curve Number?

Here are the different ways to Calculate Curve Number-

Curve Number=25400/(Potential Maximum Retention (Curve Number)+254)
Curve Number=Runoff Curve Number/(2.281-0.01281*Runoff Curve Number)

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