Recession Constant Solution

STEP 0: Pre-Calculation Summary
Formula Used
Recession Constant = Recession Constant for Surface Storage*Recession Constant for Interflow*Recession Constant for Baseflow
Kr = Krs*Kri*Krb
This formula uses 4 Variables
Variables Used
Recession Constant - Recession Constant is the ratio of discharge after the unit time step of some specific initial discharge to specific initial discharge, provided both discharges are along the same straight segment.
Recession Constant for Surface Storage - Recession Constant for Surface Storage represents the ratio of discharge after the unit time step of some specific initial discharge to the specific initial discharge.
Recession Constant for Interflow - Recession Constant for Interflow represents the ratio of discharge after the unit time step of some specific initial discharge to the specific initial discharge.
Recession Constant for Baseflow - Recession Constant for Baseflow can be derived from a simple exponential equation, and is used to characterize the behavior of low flows.
STEP 1: Convert Input(s) to Base Unit
Recession Constant for Surface Storage: 0.2 --> No Conversion Required
Recession Constant for Interflow: 0.85 --> No Conversion Required
Recession Constant for Baseflow: 0.99 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Kr = Krs*Kri*Krb --> 0.2*0.85*0.99
Evaluating ... ...
Kr = 0.1683
STEP 3: Convert Result to Output's Unit
0.1683 --> No Conversion Required
FINAL ANSWER
0.1683 <-- Recession Constant
(Calculation completed in 00.004 seconds)

Credits

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Coorg Institute of Technology (CIT), Coorg
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12 Components of a Hydrograph Calculators

Discharge at Initial Time in Alternative Form of Exponential Decay
Go Discharge at Time t=0 = Discharge at Time t/exp(-Constant 'a' for Discharge in Exponential Decay*Time)
Discharge in Alternative Form of Exponential Decay
Go Discharge at Time t = Discharge at Time t=0*exp(-Constant 'a' for Discharge in Exponential Decay*Time)
Recession Constant for Surface Storage
Go Recession Constant for Surface Storage = Recession Constant/Recession Constant for Interflow*Recession Constant for Baseflow
Recession Constant for Interflow
Go Recession Constant for Interflow = Recession Constant/Recession Constant for Surface Storage*Recession Constant for Baseflow
Recession Constant for Base Flow
Go Recession Constant for Baseflow = Recession Constant/Recession Constant for Surface Storage*Recession Constant for Interflow
Recession Constant
Go Recession Constant = Recession Constant for Surface Storage*Recession Constant for Interflow*Recession Constant for Baseflow
Storage Remaining at any Time t
Go Total Storage in Channel Reach = Discharge at Time t/Constant 'a' for Discharge in Exponential Decay
Discharge given Storage
Go Discharge at Time t = Total Storage in Channel Reach*Constant 'a' for Discharge in Exponential Decay
Discharge at Initial Time
Go Discharge at Time t=0 = Discharge at Time t/(Recession Constant^Time)
Discharge concerning Recession Constant
Go Discharge at Time t = Discharge at Time t=0*Recession Constant^Time
Drainage Area given Time Interval from Peak in Straight-Line Method of Baseflow Separation
Go Drainage Area = (Time Interval/0.83)^(1/0.2)
Time Interval from Peak in Straight-Line method of Baseflow Separation
Go Time Interval = 0.83*Drainage Area^0.2

Recession Constant Formula

Recession Constant = Recession Constant for Surface Storage*Recession Constant for Interflow*Recession Constant for Baseflow
Kr = Krs*Kri*Krb

What is Baseflow recession?

A Recession curve of streamflow so adjusted that the slope of the curve represents the runoff depletion rate of the groundwater. A curve is formed by the observed hydrograph during prolonged periods of no precipitation.

How to Calculate Recession Constant?

Recession Constant calculator uses Recession Constant = Recession Constant for Surface Storage*Recession Constant for Interflow*Recession Constant for Baseflow to calculate the Recession Constant, The Recession Constant formula is defined as the simple exponential equation, is used to characterize the behavior of low flows. Recession Constant is denoted by Kr symbol.

How to calculate Recession Constant using this online calculator? To use this online calculator for Recession Constant, enter Recession Constant for Surface Storage (Krs), Recession Constant for Interflow (Kri) & Recession Constant for Baseflow (Krb) and hit the calculate button. Here is how the Recession Constant calculation can be explained with given input values -> 1.7 = 0.2*0.85*0.99.

FAQ

What is Recession Constant?
The Recession Constant formula is defined as the simple exponential equation, is used to characterize the behavior of low flows and is represented as Kr = Krs*Kri*Krb or Recession Constant = Recession Constant for Surface Storage*Recession Constant for Interflow*Recession Constant for Baseflow. Recession Constant for Surface Storage represents the ratio of discharge after the unit time step of some specific initial discharge to the specific initial discharge, Recession Constant for Interflow represents the ratio of discharge after the unit time step of some specific initial discharge to the specific initial discharge & Recession Constant for Baseflow can be derived from a simple exponential equation, and is used to characterize the behavior of low flows.
How to calculate Recession Constant?
The Recession Constant formula is defined as the simple exponential equation, is used to characterize the behavior of low flows is calculated using Recession Constant = Recession Constant for Surface Storage*Recession Constant for Interflow*Recession Constant for Baseflow. To calculate Recession Constant, you need Recession Constant for Surface Storage (Krs), Recession Constant for Interflow (Kri) & Recession Constant for Baseflow (Krb). With our tool, you need to enter the respective value for Recession Constant for Surface Storage, Recession Constant for Interflow & Recession Constant for Baseflow 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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