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Groundwater

Groundwater Terms

TermDefinition
Surface water Water above or on the Earth's surface: Found in lakes streams ponds etc
Groundwater Water that is found underground: Most of the drinking water in the US comes from this
Water table Upper boundary or surface of groundwater
Watershed Area of land that is drained by a river system: streams rivers lakes ponds and groundwater all contribute to this.
Aquifer Body of rock or sediment that stores groundwater and allows it to flow: It is like a giant underground sponge that holds the groundwater.
Porosity Storage space available in an aquifer: a cup of gravel has a higher porosity than a cup of sand
Permeability Measure of how easy water can flow through an aquifer: are there open spaces between the rock that connect to one another? The more connections, the higthe her permeability.
Saturation Zone Underground zone with water in the pore spaces of the soil. Below the water table
Unsaturated Zone Underground zone with air in the pore spaces of the soil; above the saturated zone
Impermeable Layer Solid rock that water cannot go through
Percolation The downward movement of water through soil/rock/dirt
Cement What humans put over the soil that prevents rainwater from refilling aquifers
Pollution of Groundwater Result of humans putting too much fertilizer, pesticide or factory wastes on the soil
Created by: jfcason
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