Inter-Isochrone Area given Inflow Calculator

✖Inflow Rate for a given catchment area is the average volume of incoming water in unit time at any interval of time of the day.ⓘ Inflow Rate [I]			+10% -10%
✖Time Interval is the amount of time required for the change from the initial to the final state.ⓘ Time Interval [Δt]			+10% -10%

✖Inter-Isochrone Area divides area of watershed into subareas with distinct runoff translation times.ⓘ Inter-Isochrone Area given Inflow [A_r]

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Formula

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Inter-Isochrone Area given Inflow

Formula

`"A"_{"r"} = "I"*"Δt"/2.78`

Example

`"50.35971m²"="28m³/s"*"5s"/2.78`

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Download Clark's Method and Nash Model for IUH (Instantaneous Unit Hydrograph) Formulas PDF

Inter-Isochrone Area given Inflow Solution

STEP 0: Pre-Calculation Summary

Formula Used

Inter-Isochrone Area = Inflow Rate*Time Interval/2.78
A_r = I*Δt/2.78
This formula uses 3 Variables

Variables Used

Inter-Isochrone Area - (Measured in Square Meter) - Inter-Isochrone Area divides area of watershed into subareas with distinct runoff translation times.
Inflow Rate - (Measured in Cubic Meter per Second) - Inflow Rate for a given catchment area is the average volume of incoming water in unit time at any interval of time of the day.
Time Interval - (Measured in Second) - Time Interval is the amount of time required for the change from the initial to the final state.

STEP 1: Convert Input(s) to Base Unit

Inflow Rate: 28 Cubic Meter per Second --> 28 Cubic Meter per Second No Conversion Required
Time Interval: 5 Second --> 5 Second No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

A_r = I*Δt/2.78 --> 28*5/2.78

Evaluating ... ...

A_r = 50.3597122302158

STEP 3: Convert Result to Output's Unit

50.3597122302158 Square Meter --> No Conversion Required

FINAL ANSWER

50.3597122302158 ≈ 50.35971 Square Meter <-- Inter-Isochrone Area

(Calculation completed in 00.004 seconds)

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< 6 Clark's Method for IUH Calculators

Inflow at Beginning of Time Interval for Routing of Time-Area Histogram

Go Inflow at the Beginning of Time Interval = (Outflow at the End of Time Interval-(Coefficient C2 in Muskingum Method of Routing*Outflow at the Beginning of Time Interval))/(2*Coefficient C1 in Muskingum Method of Routing)

Outflow at Beginning of Time Interval for Routing of Time-Area Histogram

Go Outflow at the Beginning of Time Interval = (Outflow at the End of Time Interval-(2*Coefficient C1 in Muskingum Method of Routing*Inflow at the Beginning of Time Interval))/Coefficient C2 in Muskingum Method of Routing

Outflow at End of Time Interval for Routing of Time-Area Histogram

Go Outflow at the End of Time Interval = 2*Coefficient C1 in Muskingum Method of Routing*Inflow at the Beginning of Time Interval+Coefficient C2 in Muskingum Method of Routing*Outflow at the Beginning of Time Interval

Time Interval at Inter-Isochrone Area given Inflow

Go Time Interval = 2.78*Inter-Isochrone Area/Inflow Rate

Inflow Rate between Inter-Isochrone Area

Go Inflow Rate = 2.78*Inter-Isochrone Area/Time Interval

Inter-Isochrone Area given Inflow

Go Inter-Isochrone Area = Inflow Rate*Time Interval/2.78

Inter-Isochrone Area given Inflow Formula

Inter-Isochrone Area = Inflow Rate*Time Interval/2.78
A_r = I*Δt/2.78

What is Routing in Hydrology?

Routing is a technique used to predict the changes in the shape of a hydrograph as water moves through a river channel or a reservoir. In flood forecasting, hydrologists may want to know how a short burst of intense rain in an area upstream of a city will change as it reaches the city.

What are Isochrone Maps?

Isochrone and related maps are used to show the time taken for runoff water within a drainage basin to reach a lake, reservoir or outlet, assuming constant and uniform effective rainfall.

How to Calculate Inter-Isochrone Area given Inflow?

Inter-Isochrone Area given Inflow calculator uses Inter-Isochrone Area = Inflow Rate*Time Interval/2.78 to calculate the Inter-Isochrone Area, The Inter-Isochrone Area given Inflow formula is defined as the time taken for runoff water within the drainage basin to reach the lake, reservoir or outlet, assuming constant and uniform effective rainfall. Inter-Isochrone Area is denoted by A_r symbol.

How to calculate Inter-Isochrone Area given Inflow using this online calculator? To use this online calculator for Inter-Isochrone Area given Inflow, enter Inflow Rate (I) & Time Interval (Δt) and hit the calculate button. Here is how the Inter-Isochrone Area given Inflow calculation can be explained with given input values -> 50.35971 = 28*5/2.78.

FAQ

What is Inter-Isochrone Area given Inflow?

The Inter-Isochrone Area given Inflow formula is defined as the time taken for runoff water within the drainage basin to reach the lake, reservoir or outlet, assuming constant and uniform effective rainfall and is represented as A_r = I*Δt/2.78 or Inter-Isochrone Area = Inflow Rate*Time Interval/2.78. Inflow Rate for a given catchment area is the average volume of incoming water in unit time at any interval of time of the day & Time Interval is the amount of time required for the change from the initial to the final state.

How to calculate Inter-Isochrone Area given Inflow?

The Inter-Isochrone Area given Inflow formula is defined as the time taken for runoff water within the drainage basin to reach the lake, reservoir or outlet, assuming constant and uniform effective rainfall is calculated using Inter-Isochrone Area = Inflow Rate*Time Interval/2.78. To calculate Inter-Isochrone Area given Inflow, you need Inflow Rate (I) & Time Interval (Δt). With our tool, you need to enter the respective value for Inflow Rate & Time Interval 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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