Equation for Recharge from Rainfall Calculator

✖Possible Recharge is defined as the gross recharge minus the natural recharge of the area.ⓘ Possible Recharge [R]			+10% -10%
✖Recharge from Irrigationl over a catchment under study.ⓘ Recharge from Irrigation [R_gw]			+10% -10%
✖Recharge from Conservation Structures over a catchment under study.ⓘ Recharge from Conservation Structures [R_wt]			+10% -10%
✖Recharge from Tanks and Ponds over a catchment under study.ⓘ Recharge from Tanks and Ponds [R_t]			+10% -10%

✖Recharge from Rainfall over a catchment under study.ⓘ Equation for Recharge from Rainfall [R_rf]

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Formula

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Equation for Recharge from Rainfall

Formula

`"R"_{"rf"} = "R"-"R"_{"gw"}-"R"_{"wt"}-"R"_{"t"}`

Example

`"16m³/s"="70m³/s"-"19m³/s"-"21m³/s"-"14m³/s"`

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Equation for Recharge from Rainfall Solution

STEP 0: Pre-Calculation Summary

Formula Used

Recharge from Rainfall = Possible Recharge-Recharge from Irrigation-Recharge from Conservation Structures-Recharge from Tanks and Ponds
R_rf = R-R_gw-R_wt-R_t
This formula uses 5 Variables

Variables Used

Recharge from Rainfall - (Measured in Cubic Meter per Second) - Recharge from Rainfall over a catchment under study.
Possible Recharge - (Measured in Cubic Meter per Second) - Possible Recharge is defined as the gross recharge minus the natural recharge of the area.
Recharge from Irrigation - (Measured in Cubic Meter per Second) - Recharge from Irrigationl over a catchment under study.
Recharge from Conservation Structures - (Measured in Cubic Meter per Second) - Recharge from Conservation Structures over a catchment under study.
Recharge from Tanks and Ponds - (Measured in Cubic Meter per Second) - Recharge from Tanks and Ponds over a catchment under study.

STEP 1: Convert Input(s) to Base Unit

Possible Recharge: 70 Cubic Meter per Second --> 70 Cubic Meter per Second No Conversion Required
Recharge from Irrigation: 19 Cubic Meter per Second --> 19 Cubic Meter per Second No Conversion Required
Recharge from Conservation Structures: 21 Cubic Meter per Second --> 21 Cubic Meter per Second No Conversion Required
Recharge from Tanks and Ponds: 14 Cubic Meter per Second --> 14 Cubic Meter per Second No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

R_rf = R-R_gw-R_wt-R_t --> 70-19-21-14

Evaluating ... ...

R_rf = 16

STEP 3: Convert Result to Output's Unit

16 Cubic Meter per Second --> No Conversion Required

FINAL ANSWER

16 Cubic Meter per Second <-- Recharge from Rainfall

(Calculation completed in 00.004 seconds)

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Home » Engineering » Civil » Engineering Hydrology » Groundwater Hydrology » Recharge » Estimation of Recharge » Groundwater Level Fluctuation and Specific Yield Method » Equation for Recharge from Rainfall

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< 21 Groundwater Level Fluctuation and Specific Yield Method Calculators

Equation for Watershed Area about Specific Yield and Water Level Fluctuation

Go Watershed Area = (Gross Recharge due to Rainfall-Gross Water Draft-Base Flow into the Stream from the Area+Recharge of Ground Water Body+Net Ground Water Flowing Outside Catchment)/(Specific Yield*Water Level Fluctuation)

Equation for Water Level Fluctuation

Go Water Level Fluctuation = (Gross Recharge due to Rainfall-Gross Water Draft-Base Flow into the Stream from the Area+Recharge of Ground Water Body+Net Ground Water Flowing Outside Catchment)/(Watershed Area*Specific Yield)

Equation for Specific Yield

Go Specific Yield = (Gross Recharge due to Rainfall-Gross Water Draft-Base Flow into the Stream from the Area+Recharge of Ground Water Body+Net Ground Water Flowing Outside Catchment)/(Watershed Area*Water Level Fluctuation)

Equation for Gross Recharge due to Rainfall and other Sources

Go Gross Recharge due to Rainfall = (Water Level Fluctuation*Specific Yield*Watershed Area)+Gross Water Draft+Base Flow into the Stream from the Area-Recharge of Ground Water Body-Net Ground Water Flowing Outside Catchment

Equation for Net Ground Water Flow into Area across Boundary

Go Net Ground Water Flowing Outside Catchment = (Water Level Fluctuation*Specific Yield*Watershed Area)-Gross Recharge due to Rainfall+Gross Water Draft+Base Flow into the Stream from the Area-Recharge of Ground Water Body

Equation for Recharge from Stream into Ground water Body

Go Recharge of Ground Water Body = (Water Level Fluctuation*Watershed Area*Specific Yield)-Gross Recharge due to Rainfall+Gross Water Draft+Base Flow into the Stream from the Area-Net Ground Water Flowing Outside Catchment

Equation for Base Flow into Stream from Area

Go Base Flow into the Stream from the Area = Gross Recharge due to Rainfall-Gross Water Draft+Recharge of Ground Water Body+Net Ground Water Flowing Outside Catchment-(Water Level Fluctuation*Specific Yield*Watershed Area)

Equation for Gross Water Draft

Go Gross Water Draft = Gross Recharge due to Rainfall-Base Flow into the Stream from the Area+Recharge of Ground Water Body+Net Ground Water Flowing Outside Catchment-(Water Level Fluctuation*Specific Yield*Watershed Area)

Recharge from Stream into Ground water Body given Possible Recharge

Go Recharge of Ground Water Body = Possible Recharge-Gross Recharge due to Rainfall+Base Flow into the Stream from the Area-Net Ground Water Flowing Outside Catchment

Possible Recharge given Gross Recharge due to Rainfall

Go 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

Base flow when Possible Recharge is Considered

Go Base Flow into the Stream from the Area = Gross Recharge due to Rainfall-Possible Recharge+Net Ground Water Flowing Outside Catchment+Recharge of Ground Water Body

Net Ground Water Flow given Possible Recharge

Go Net Ground Water Flowing Outside Catchment = Possible Recharge-Gross Recharge due to Rainfall+Base Flow into the Stream from the Area-Recharge of Ground Water Body

Equation for Recharge from Water Conservation Structures

Go Recharge from Conservation Structures = Possible Recharge-Recharge from Rainfall-Recharge from Irrigation-Recharge from Tanks and Ponds

Possible Recharge given other Recharge Factors

Go Possible Recharge = Recharge from Rainfall+Recharge from Irrigation+Recharge from Conservation Structures+Recharge from Tanks and Ponds

Equation for Recharge from Irrigation in Area

Go Recharge from Irrigation = Possible Recharge-Recharge from Rainfall-Recharge from Conservation Structures-Recharge from Tanks and Ponds

Equation for Recharge from Tanks and Ponds

Go Recharge from Tanks and Ponds = Possible Recharge-Recharge from Rainfall-Recharge from Irrigation-Recharge from Conservation Structures

Equation for Recharge from Rainfall

Go Recharge from Rainfall = Possible Recharge-Recharge from Irrigation-Recharge from Conservation Structures-Recharge from Tanks and Ponds

Water Level Fluctuation when Possible Recharge and Gross Water Draft is considered

Go Water Level Fluctuation = (Possible Recharge+Gross Water Draft)/(Specific Yield*Watershed Area)

Specific Yield when Possible Recharge and Gross Water Draft is considered

Go Specific Yield = (Possible Recharge+Gross Water Draft)/(Water Level Fluctuation*Watershed Area)

Catchment Area usually Watershed Area when Possible Recharge is considered

Go Watershed Area = (Possible Recharge+Gross Water Draft)/Water Level Fluctuation*Specific Yield

Equation for Recharge when Gross Water Draft is considered

Go Possible Recharge = (Water Level Fluctuation*Specific Yield*Watershed Area)-Gross Water Draft

Equation for Recharge from Rainfall Formula

Recharge from Rainfall = Possible Recharge-Recharge from Irrigation-Recharge from Conservation Structures-Recharge from Tanks and Ponds
R_rf = R-R_gw-R_wt-R_t

What is Groundwater Flow?

Groundwater flow is defined as the "part of streamflow that has infiltrated the ground, entered the phreatic zone, and has been discharged into a stream channel or springs; and seepage water." It is governed by the groundwater flow equation.

How to Calculate Equation for Recharge from Rainfall?

Equation for Recharge from Rainfall calculator uses Recharge from Rainfall = Possible Recharge-Recharge from Irrigation-Recharge from Conservation Structures-Recharge from Tanks and Ponds to calculate the Recharge from Rainfall, The Equation for Recharge from Rainfall is a hydrologic process, where water moves downward from surface water to groundwater. Recharge is the primary method through which water enters an aquifer. Recharge from Rainfall is denoted by R_rf symbol.

How to calculate Equation for Recharge from Rainfall using this online calculator? To use this online calculator for Equation for Recharge from Rainfall, enter Possible Recharge (R), Recharge from Irrigation (R_gw), Recharge from Conservation Structures (R_wt) & Recharge from Tanks and Ponds (R_t) and hit the calculate button. Here is how the Equation for Recharge from Rainfall calculation can be explained with given input values -> 16 = 70-19-21-14.

FAQ

What is Equation for Recharge from Rainfall?

The Equation for Recharge from Rainfall is a hydrologic process, where water moves downward from surface water to groundwater. Recharge is the primary method through which water enters an aquifer and is represented as R_rf = R-R_gw-R_wt-R_t or Recharge from Rainfall = Possible Recharge-Recharge from Irrigation-Recharge from Conservation Structures-Recharge from Tanks and Ponds. Possible Recharge is defined as the gross recharge minus the natural recharge of the area, Recharge from Irrigationl over a catchment under study, Recharge from Conservation Structures over a catchment under study & Recharge from Tanks and Ponds over a catchment under study.

How to calculate Equation for Recharge from Rainfall?

The Equation for Recharge from Rainfall is a hydrologic process, where water moves downward from surface water to groundwater. Recharge is the primary method through which water enters an aquifer is calculated using Recharge from Rainfall = Possible Recharge-Recharge from Irrigation-Recharge from Conservation Structures-Recharge from Tanks and Ponds. To calculate Equation for Recharge from Rainfall, you need Possible Recharge (R), Recharge from Irrigation (R_gw), Recharge from Conservation Structures (R_wt) & Recharge from Tanks and Ponds (R_t). With our tool, you need to enter the respective value for Possible Recharge, Recharge from Irrigation, Recharge from Conservation Structures & Recharge from Tanks and Ponds 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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