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Aquifer Recharge Aquifers are the underground water conduits that transfer water from one location to another. If an area is not serviced by surface water pumping, most localities are serviced by tapping these underground strata (approximately 50% of the population of the United States.) Water must be put back into aquifers if they are to be a sustainable supply of water. This return of water is called recharge – a very slow process where water infiltrates the surface and then percolates through the sediments. The water then either reaches a Zone of Saturation above an impermeable rock layer creating a water table or goes through the rock layer in a number of ways and recharges an aquifer. In either scenario, the percolation rate or aquifer recharge is dependent upon the conditions of the soils and/or the structure of the underlying bedrock. Another concern besides drinking water is how quickly water will be absorbed into the ground and affect flood prone areas. In this study, we simplified the search by having the GIS classify an area as being either a low recharge area or a high recharge area. |
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The Woodrow Wilson
National Fellowship Foundation
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