Equation for Potential Maximum Retention Calculator

✖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.ⓘ Cumulative Infiltration [F]			+10% -10%
✖Total Precipitation is the sum of rainfall and the assumed water equivalent of snowfall for a given year.ⓘ Total Precipitation [P_T]			+10% -10%
✖Initial Abstraction is a parameter that accounts for all losses prior to runoff and consists mainly of interception, infiltration, evaporation, and surface depression storage.ⓘ Initial Abstraction [I_a]			+10% -10%
✖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.ⓘ Direct Surface Runoff [Q]			+10% -10%

✖The potential maximum retention mainly represents infiltration occurring after runoff has started.ⓘ Equation for Potential Maximum Retention [S]

⎘ Copy

👎

Formula

LaTeX

Reset

👍

Download SCS CN Method of Runoff Volume Formulas PDF PDF Image

Equation for Potential Maximum Retention Solution

STEP 0: Pre-Calculation Summary

Formula Used

Potential Maximum Retention = Cumulative Infiltration*((Total Precipitation-Initial Abstraction)/Direct Surface Runoff)
S = F*((P_T-I_a)/Q)
This formula uses 5 Variables

Variables Used

Potential Maximum Retention - (Measured in Cubic Meter) - The potential maximum retention mainly represents infiltration occurring after runoff has started.
Cumulative Infiltration - (Measured in Cubic Meter) - 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.
Total Precipitation - (Measured in Cubic Meter) - Total Precipitation is the sum of rainfall and the assumed water equivalent of snowfall for a given year.
Initial Abstraction - (Measured in Cubic Meter) - Initial Abstraction is a parameter that accounts for all losses prior to runoff and consists mainly of interception, infiltration, evaporation, and surface depression storage.
Direct Surface Runoff - (Measured in Cubic Meter) - 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.

STEP 1: Convert Input(s) to Base Unit

Cumulative Infiltration: 2 Cubic Meter --> 2 Cubic Meter No Conversion Required
Total Precipitation: 16 Cubic Meter --> 16 Cubic Meter No Conversion Required
Initial Abstraction: 5 Cubic Meter --> 5 Cubic Meter No Conversion Required
Direct Surface Runoff: 9 Cubic Meter --> 9 Cubic Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

S = F*((P_T-I_a)/Q) --> 2*((16-5)/9)

Evaluating ... ...

S = 2.44444444444444

STEP 3: Convert Result to Output's Unit

2.44444444444444 Cubic Meter --> No Conversion Required

FINAL ANSWER

2.44444444444444 ≈ 2.444444 Cubic Meter <-- Potential Maximum Retention

(Calculation completed in 00.004 seconds)

You are here -

Home » Engineering » Civil » Engineering Hydrology » Runoff » Runoff Volume » SCS CN Method of Runoff Volume » Basic Theory » Equation for Potential Maximum Retention

Credits

Created by Mithila Muthamma PA

Coorg Institute of Technology (CIT), Coorg

Mithila Muthamma PA has created this Calculator and 2000+ more calculators!

Verified by Chandana P Dev

NSS College of Engineering (NSSCE), Palakkad

Chandana P Dev has verified this Calculator and 1700+ more calculators!

< Basic Theory Calculators

Actual Infiltration

LaTeX Go Cumulative Infiltration = Potential Maximum Retention*(Direct Surface Runoff/(Total Precipitation-Initial Abstraction))

Cumulative Infiltration given Total Precipitation

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

Water Balance Equation for Rainfall

LaTeX Go Total Precipitation = Initial Abstraction+Cumulative Infiltration+Direct Surface Runoff

Initial Abstraction

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

Equation for Potential Maximum Retention Formula

LaTeX Go

Potential Maximum Retention = Cumulative Infiltration*((Total Precipitation-Initial Abstraction)/Direct Surface Runoff)
S = F*((P_T-I_a)/Q)

What is Water Balance Model?

Water Balance Model is a conceptual representation of the hydrologic cycle typically used to apply water balance principles at atmospheric, surface, soil water media, and subsurface scales.

What is 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.

How to Calculate Equation for Potential Maximum Retention?

Equation for Potential Maximum Retention calculator uses Potential Maximum Retention = Cumulative Infiltration*((Total Precipitation-Initial Abstraction)/Direct Surface Runoff) to calculate the Potential Maximum Retention, The Equation for Potential Maximum Retention formula is defined as the representation infiltration occurring after runoff has started. Potential Maximum Retention is denoted by S symbol.

How to calculate Equation for Potential Maximum Retention using this online calculator? To use this online calculator for Equation for Potential Maximum Retention, enter Cumulative Infiltration (F), Total Precipitation (P_T), Initial Abstraction (I_a) & Direct Surface Runoff (Q) and hit the calculate button. Here is how the Equation for Potential Maximum Retention calculation can be explained with given input values -> 2.444444 = 2*((16-5)/9).

FAQ

What is Equation for Potential Maximum Retention?

The Equation for Potential Maximum Retention formula is defined as the representation infiltration occurring after runoff has started and is represented as S = F*((P_T-I_a)/Q) or Potential Maximum Retention = Cumulative Infiltration*((Total Precipitation-Initial Abstraction)/Direct Surface Runoff). 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, Total Precipitation is the sum of rainfall and the assumed water equivalent of snowfall for a given year, Initial Abstraction is a parameter that accounts for all losses prior to runoff and consists mainly of interception, infiltration, evaporation, and surface depression storage & 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.

How to calculate Equation for Potential Maximum Retention?

The Equation for Potential Maximum Retention formula is defined as the representation infiltration occurring after runoff has started is calculated using Potential Maximum Retention = Cumulative Infiltration*((Total Precipitation-Initial Abstraction)/Direct Surface Runoff). To calculate Equation for Potential Maximum Retention, you need Cumulative Infiltration (F), Total Precipitation (P_T), Initial Abstraction (I_a) & Direct Surface Runoff (Q). With our tool, you need to enter the respective value for Cumulative Infiltration, Total Precipitation, Initial Abstraction & Direct Surface Runoff and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

Home

FREE PDFs

🔍 Search