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
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