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Transmissivity (T)

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Transmissivity (T)

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Definition

Transmissivity is the rate at which water is transmitted through a unit width of an aquifer under a unit hydraulic gradient. It is expressed as the product of the average hydraulic conductivity and  thickness of the saturated portion of an aquifer.

Description

Transmissivity is a measure of the ease with which groundwater flows in the subsurface.

Why is transmissivity important?

Transmissivity is used to calculate the yield of a borehole, determine the safe yield of an aquifer system and predict groundwater movement.

 

 

Source: http://www.ust.smoothstone.com/groundwater_intro