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Water in the subsurface – a schematic representation – Coal Geology and Mining: Consulting Services

Water in the subsurface – a schematic representation

Water in the subsurface – a schematic representation

Earth’s surface
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Vadose Zone
pores are non saturated, sometimes referred to as “soil water”. Very significant in terms of crop irrigation and contaminant migration.

Perched aquifer
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Local Basal confinement

————————————————–Water Table ——————————

Saturated Zone

Unconfined aquifers – Shallow
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Aquicludes or confining units
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Confined aquifers – Fresh water where active recharge
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aquitards or confining units
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Deeper confined aquifers – Brines with no active recharge – significant in terms of petroleum development and waste disposal

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Deep Crust and mantle
Crypto hydrology

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