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The Coefficient of Transmissibility is defined as the rate of flow of water in gallons per day through a vertical strip of the aquifer. It represents the ability of an aquifer to transmit water throughout its entire saturated thickness.
The calculator uses the formula:
Where:
Explanation: The coefficient of transmissibility is calculated by multiplying the coefficient of permeability by the aquifer thickness, representing the total transmissive capacity of the aquifer.
Details: This parameter is crucial in hydrogeology for assessing groundwater flow characteristics, designing well fields, predicting contaminant transport, and managing groundwater resources effectively.
Tips: Enter the coefficient of permeability in m/s and aquifer thickness in meters. Both values must be positive numbers greater than zero for accurate calculation.
Q1: What units are used for coefficient of transmissibility?
A: The standard SI unit is square meters per second (m²/s), though other units like m²/day or ft²/day may also be used in practice.
Q2: How does aquifer thickness affect transmissibility?
A: Transmissibility increases linearly with aquifer thickness - thicker aquifers can transmit more water under the same hydraulic gradient.
Q3: What's the difference between permeability and transmissibility?
A: Permeability is an intrinsic property of the porous material, while transmissibility depends on both permeability and aquifer thickness.
Q4: When is this calculation most useful?
A: This calculation is essential for groundwater modeling, well yield estimation, and designing groundwater extraction systems.
Q5: Are there limitations to this formula?
A: This formula assumes homogeneous aquifer properties and may not accurately represent aquifers with significant vertical variations in permeability.