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The Possible Recharge refers to the gross recharge minus the natural recharge of the area. Check FAQs
R=RG-B+I+Is
R - Possible Recharge?RG - Gross Recharge due to Rainfall?B - Base Flow into the Stream from the Area?I - Net Ground Water Flowing Outside Catchment?Is - Recharge of Ground Water Body?

Possible Recharge given Gross Recharge due to Rainfall Example

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Here is how the Possible Recharge given Gross Recharge due to Rainfall equation looks like with Values.

Here is how the Possible Recharge given Gross Recharge due to Rainfall equation looks like with Units.

Here is how the Possible Recharge given Gross Recharge due to Rainfall equation looks like.

69Edit=45Edit-6Edit+12Edit+18Edit
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Possible Recharge given Gross Recharge due to Rainfall Solution

Follow our step by step solution on how to calculate Possible Recharge given Gross Recharge due to Rainfall?

FIRST Step Consider the formula
R=RG-B+I+Is
Next Step Substitute values of Variables
∴ R=45m³/s-6m³/s+12m³/s+18m³/s
Next Step Prepare to Evaluate
∴ R=45-6+12+18
LAST Step Evaluate
∴R=69m³/s

Possible Recharge given Gross Recharge due to Rainfall Formula Elements

Variables
Possible Recharge
The Possible Recharge refers to the gross recharge minus the natural recharge of the area.
Symbol: R
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value should be greater than 0.
Formulas to find Possible RechargeOpen Variable
Gross Recharge due to Rainfall
The Gross Recharge due to Rainfall refers to the total amount of water that infiltrates the ground as a result of precipitation.
Symbol: RG
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value should be greater than 0.
Formulas to find Gross Recharge due to RainfallOpen Variable
Base Flow into the Stream from the Area
The Base Flow into the Stream from the Area refers to the flow that is not runoff, it is water from the ground, flowing into the channel over a long time and with a certain delay.
Symbol: B
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value should be greater than 0.
Formulas to find Base Flow into the Stream from the AreaOpen Variable
Net Ground Water Flowing Outside Catchment
The Net Ground Water Flowing Outside Catchment refers to the steady-state groundwater flow through aquifers.
Symbol: I
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value should be greater than 0.
Formulas to find Net Ground Water Flowing Outside CatchmentOpen Variable
Recharge of Ground Water Body
The Recharge of Ground Water Body from the stream refers to the hydrologic process, where water moves downward from surface water to groundwater.
Symbol: Is
Measurement: Volumetric Flow RateUnit: m³/s
Note: Value should be greater than 0.
Formulas to find Recharge of Ground Water BodyOpen Variable

Other Formulas to find Possible Recharge

​Go Equation for Recharge when Gross Water Draft is Considered
R=(h⋅SY⋅A)-DG
​Go Possible Recharge given other Recharge Factors
R=Rrf+Rgw+Rwt+Rt

Other formulas in Groundwater Level Fluctuation category

​Go Equation for Specific Yield
SY=RG-DG-B+Is+IA⋅h
​Go Equation for Gross Recharge due to Rainfall and other Sources
RG=(h⋅SY⋅A)+DG+B-Is-I
​Go Equation for Gross Water Draft
DG=RG-B+Is+I-(h⋅SY⋅A)
​Go Equation for Base Flow into Stream from Area
B=RG-DG+Is+I-(h⋅SY⋅A)

How to Evaluate Possible Recharge given Gross Recharge due to Rainfall?

Possible Recharge given Gross Recharge due to Rainfall evaluator uses Possible Recharge = Gross Recharge due to Rainfall-Base Flow into the Stream from the Area+Net Ground Water Flowing Outside Catchment+Recharge of Ground Water Body to evaluate the Possible Recharge, The Possible Recharge given Gross Recharge due to Rainfall formula is defined as the hydrologic process, where water moves downward from surface water sources like rainfall to groundwater. Possible Recharge is denoted by R symbol.

How to evaluate Possible Recharge given Gross Recharge due to Rainfall using this online evaluator? To use this online evaluator for Possible Recharge given Gross Recharge due to Rainfall, enter Gross Recharge due to Rainfall (RG), Base Flow into the Stream from the Area (B), Net Ground Water Flowing Outside Catchment (I) & Recharge of Ground Water Body (Is) and hit the calculate button.

FAQs on Possible Recharge given Gross Recharge due to Rainfall

What is the formula to find Possible Recharge given Gross Recharge due to Rainfall?
The formula of Possible Recharge given Gross Recharge due to Rainfall is expressed as Possible Recharge = Gross Recharge due to Rainfall-Base Flow into the Stream from the Area+Net Ground Water Flowing Outside Catchment+Recharge of Ground Water Body. Here is an example- 69 = 45-6+12+18.
How to calculate Possible Recharge given Gross Recharge due to Rainfall?
With Gross Recharge due to Rainfall (RG), Base Flow into the Stream from the Area (B), Net Ground Water Flowing Outside Catchment (I) & Recharge of Ground Water Body (Is) we can find Possible Recharge given Gross Recharge due to Rainfall using the formula - Possible Recharge = Gross Recharge due to Rainfall-Base Flow into the Stream from the Area+Net Ground Water Flowing Outside Catchment+Recharge of Ground Water Body.
What are the other ways to Calculate Possible Recharge?
Here are the different ways to Calculate Possible Recharge-
  • Possible Recharge=(Water Level Fluctuation*Specific Yield*Watershed Area)-Gross Water DraftOpenImg
  • Possible Recharge=Recharge from Rainfall+Recharge from Irrigation+Recharge from Conservation Structures+Recharge from Tanks and PondsOpenImg
Can the Possible Recharge given Gross Recharge due to Rainfall be negative?
No, the Possible Recharge given Gross Recharge due to Rainfall, measured in Volumetric Flow Rate cannot be negative.
Which unit is used to measure Possible Recharge given Gross Recharge due to Rainfall?
Possible Recharge given Gross Recharge due to Rainfall is usually measured using the Cubic Meter per Second[m³/s] for Volumetric Flow Rate. Cubic Meter per Day[m³/s], Cubic Meter per Hour[m³/s], Cubic Meter per Minute[m³/s] are the few other units in which Possible Recharge given Gross Recharge due to Rainfall can be measured.
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