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Actual Infiltration Formula

GoCumulative Infiltration given Total Precipitation Formula

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The cumulative infiltration excluding initial abstraction is total amount of water that soil strata are able to absorb from rainfall or irrigation in a given time. Check FAQs

F = S \cdot (\frac{Q}{P T - I a})

F - Cumulative Infiltration?S - Potential Maximum Retention?Q - Direct Surface Runoff?P_T - Total Precipitation?I_a - Initial Abstraction?

Actual Infiltration Example

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Here is how the Actual Infiltration equation looks like with Values.

Here is how the Actual Infiltration equation looks like with Units.

Here is how the Actual Infiltration equation looks like.

2.0455 = 2.5 \cdot (\frac{9}{16 - 5})

2.0455m³ = 2.5m³ \cdot (\frac{9m³}{16m³ - 5m³})

2.0455 = 2.5 \cdot (\frac{9}{16 - 5})

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Actual Infiltration Solution

Follow our step by step solution on how to calculate Actual Infiltration?

FIRST Step Consider the formula

F = S \cdot (\frac{Q}{P T - I a})

Next Step Substitute values of Variables

∴

F = 2.5m³ \cdot (\frac{9m³}{16m³ - 5m³})

Next Step Prepare to Evaluate

∴

F = 2.5 \cdot (\frac{9}{16 - 5})

Next Step Evaluate

∴

F = 2.04545454545455m³

LAST Step Rounding Answer

∴

F = 2.0455m³

Actual Infiltration Formula Elements

Variables

Cumulative Infiltration

The cumulative infiltration excluding initial abstraction is total amount of water that soil strata are able to absorb from rainfall or irrigation in a given time.

Symbol: F

Measurement: VolumeUnit: m³

Note: Value should be greater than 0.

Formulas to find Cumulative Infiltration

Potential Maximum Retention

The potential maximum retention mainly represents infiltration occurring after runoff has started.

Symbol: S

Measurement: VolumeUnit: m³

Note: Value should be greater than 0.

Formulas to find Potential Maximum Retention

Direct Surface Runoff

Direct Surface Runoff is the rain or meltwater that runs off during the rain or melt event as overland flow or in the vegetation cover above frozen soil.

Symbol: Q

Measurement: VolumeUnit: m³

Note: Value should be greater than 0.

Formulas to find Direct Surface Runoff

Total Precipitation

Total Precipitation is the sum of rainfall and the assumed water equivalent of snowfall for a given year.

Symbol: P_T

Measurement: VolumeUnit: m³

Note: Value should be greater than 0.

Formulas to find Total Precipitation

Initial Abstraction

Initial Abstraction is a parameter that accounts for all losses prior to runoff and consists mainly of interception, infiltration, evaporation, and surface depression storage.

Symbol: I_a

Measurement: VolumeUnit: m³

Note: Value can be positive or negative.

Formulas to find Initial Abstraction

Other Formulas to find Cumulative Infiltration

Go Cumulative Infiltration given Total Precipitation

F = P T - I a - Q

Other formulas in Basic Theory category

Go Water Balance Equation for Rainfall

P T = I a + F + Q

Go Initial Abstraction

I a = P T - F - Q

Go Equation for Potential Maximum Retention

S = F \cdot (\frac{P T - I a}{Q})

Go Direct Surface Runoff given Total Precipitation

Q = P T - I a - F

How to Evaluate Actual Infiltration?

Actual Infiltration evaluator uses Cumulative Infiltration = Potential Maximum Retention*(Direct Surface Runoff/(Total Precipitation-Initial Abstraction)) to evaluate the Cumulative Infiltration, The Actual Infiltration formula is defined as the process of water entry into the soil through the earth's surface. The water at the soil surface can originate from rain, snowmelt or anthropogenic activities. Cumulative Infiltration is denoted by F symbol.

How to evaluate Actual Infiltration using this online evaluator? To use this online evaluator for Actual Infiltration, enter Potential Maximum Retention (S), Direct Surface Runoff (Q), Total Precipitation (P_T) & Initial Abstraction (I_a) and hit the calculate button.

FAQs on Actual Infiltration

What is the formula to find Actual Infiltration?

The formula of Actual Infiltration is expressed as Cumulative Infiltration = Potential Maximum Retention*(Direct Surface Runoff/(Total Precipitation-Initial Abstraction)). Here is an example- 2.045455 = 2.5*(9/(16-5)).

How to calculate Actual Infiltration?

With Potential Maximum Retention (S), Direct Surface Runoff (Q), Total Precipitation (P_T) & Initial Abstraction (I_a) we can find Actual Infiltration using the formula - Cumulative Infiltration = Potential Maximum Retention*(Direct Surface Runoff/(Total Precipitation-Initial Abstraction)).

What are the other ways to Calculate Cumulative Infiltration?

Here are the different ways to Calculate Cumulative Infiltration-

Cumulative Infiltration=Total Precipitation-Initial Abstraction-Direct Surface Runoff

Can the Actual Infiltration be negative?

No, the Actual Infiltration, measured in Volume cannot be negative.

Which unit is used to measure Actual Infiltration?

Actual Infiltration is usually measured using the Cubic Meter[m³] for Volume. Cubic Centimeter[m³], Cubic Millimeter[m³], Liter[m³] are the few other units in which Actual Infiltration can be measured.

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Actual Infiltration Formula

​GoCumulative Infiltration given Total Precipitation Formula

Actual Infiltration Example

Actual Infiltration Solution

Actual Infiltration Formula Elements

Other Formulas to find Cumulative Infiltration

Other formulas in Basic Theory category

How to Evaluate Actual Infiltration?

FAQs on Actual Infiltration

Variable Name

GoCumulative Infiltration given Total Precipitation Formula