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Equation for Specific Yield Formula

GoSpecific Yield when Possible Recharge and Gross Water Draft is Considered Formula

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The Specific Yield refers to the volume of water that a saturated rock or soil will yield due to gravity drainage to the total volume of the rock or soil. Check FAQs

S Y = \frac{R G - D G - B + I s + I}{A \cdot h}

S_Y - Specific Yield?R_G - Gross Recharge due to Rainfall?D_G - Gross Water Draft?B - Base Flow into the Stream from the Area?I_s - Recharge of Ground Water Body?I - Net Ground Water Flowing Outside Catchment?A - Watershed Area?h - Water Level Fluctuation?

Equation for Specific Yield Example

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Here is how the Equation for Specific Yield equation looks like with Values.

Here is how the Equation for Specific Yield equation looks like with Units.

Here is how the Equation for Specific Yield equation looks like.

0.59 = \frac{45 - 10 - 6 + 18 + 12}{20 \cdot 5}

0.59 = \frac{45m³/s - 10m³/s - 6m³/s + 18m³/s + 12m³/s}{20m² \cdot 5m}

0.59 = \frac{45 - 10 - 6 + 18 + 12}{20 \cdot 5}

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Equation for Specific Yield Solution

Follow our step by step solution on how to calculate Equation for Specific Yield?

FIRST Step Consider the formula

S Y = \frac{R G - D G - B + I s + I}{A \cdot h}

Next Step Substitute values of Variables

∴

S Y = \frac{45m³/s - 10m³/s - 6m³/s + 18m³/s + 12m³/s}{20m² \cdot 5m}

Next Step Prepare to Evaluate

∴

S Y = \frac{45 - 10 - 6 + 18 + 12}{20 \cdot 5}

LAST Step Evaluate

∴

S Y = 0.59

Equation for Specific Yield Formula Elements

Variables

Specific Yield

The Specific Yield refers to the volume of water that a saturated rock or soil will yield due to gravity drainage to the total volume of the rock or soil.

Symbol: S_Y

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Specific Yield

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: R_G

Measurement: Volumetric Flow RateUnit: m³/s

Note: Value should be greater than 0.

Formulas to find Gross Recharge due to Rainfall

Gross Water Draft

The Gross Water Draft refers to the total volume of water extracted or utilized from a catchment area.

Symbol: D_G

Measurement: Volumetric Flow RateUnit: m³/s

Note: Value should be greater than 0.

Formulas to find Gross Water Draft

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 Area

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: I_s

Measurement: Volumetric Flow RateUnit: m³/s

Note: Value should be greater than 0.

Formulas to find Recharge of Ground Water Body

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 Catchment

Watershed Area

The Watershed Area refers to the isolated area with a well demarcated boundary line, draining the rainwater to a single outlet.

Symbol: A

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Watershed Area

Water Level Fluctuation

The Water Level Fluctuation refers to the irregular rising and falling in number or amount of water during monsoon season.

Symbol: h

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Water Level Fluctuation

Other Formulas to find Specific Yield

Go Specific Yield when Possible Recharge and Gross Water Draft is Considered

S Y = \frac{R + D G}{h \cdot A}

Other formulas in Groundwater Level Fluctuation category

Go Equation for Gross Recharge due to Rainfall and other Sources

R G = (h \cdot S Y \cdot A) + D G + B - I s - I

Go Equation for Gross Water Draft

D G = R G - B + I s + I - (h \cdot S Y \cdot A)

How to Evaluate Equation for Specific Yield?

Equation for Specific Yield evaluator uses 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) to evaluate the Specific Yield, The Equation for Specific Yield formula is defined as the volume of water released from storage by an unconfined aquifer per unit surface area of aquifer per unit decline of the water table. Specific Yield is denoted by S_Y symbol.

How to evaluate Equation for Specific Yield using this online evaluator? To use this online evaluator for Equation for Specific Yield, enter Gross Recharge due to Rainfall (R_G), Gross Water Draft (D_G), Base Flow into the Stream from the Area (B), Recharge of Ground Water Body (I_s), Net Ground Water Flowing Outside Catchment (I), Watershed Area (A) & Water Level Fluctuation (h) and hit the calculate button.

FAQs on Equation for Specific Yield

What is the formula to find Equation for Specific Yield?

The formula of Equation for Specific Yield is expressed as 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). Here is an example- 0.59 = (45-10-6+18+12)/(20*5).

How to calculate Equation for Specific Yield?

With Gross Recharge due to Rainfall (R_G), Gross Water Draft (D_G), Base Flow into the Stream from the Area (B), Recharge of Ground Water Body (I_s), Net Ground Water Flowing Outside Catchment (I), Watershed Area (A) & Water Level Fluctuation (h) we can find Equation for Specific Yield using the formula - 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).

What are the other ways to Calculate Specific Yield?

Here are the different ways to Calculate Specific Yield-

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

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Equation for Specific Yield Formula

​GoSpecific Yield when Possible Recharge and Gross Water Draft is Considered Formula

Equation for Specific Yield Example

Equation for Specific Yield Solution

Equation for Specific Yield Formula Elements

Other Formulas to find Specific Yield

Other formulas in Groundwater Level Fluctuation category

How to Evaluate Equation for Specific Yield?

FAQs on Equation for Specific Yield

Variable Name

GoSpecific Yield when Possible Recharge and Gross Water Draft is Considered Formula