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Ecosystems Research, Athens GA
Water levels in nested well clusters (wells located closely together) indicate upward or downward flow in aquifers or flow between adjacent geologic units. Flow is governed by Darcy's Law:
where q is the Darcy flux (volume of water per unit area per unit time) and K is the hydraulic conductivity. The change of head (roughly water level) divided by the distance determines the direction of flow.
Definition of inputs for each well:
There are three possibilities for how the water levels relate to the well screen:
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