groundwater - Groundwater Groundwater Groundwater Hydrology...

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Groundwater Groundwater
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Groundwater Hydrology Groundwater Hydrology 0ccurrence, movement, and quality of water beneath Earth’s surface
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Distribution of Water on Earth
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Runoff Runoff Infiltration Infiltration
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What is Ground Water? What is Ground Water? Water beneath Earth’s surface that supplies wells and springs. …water beneath the water table in the zone of saturation. …water filling pore space in soil and rock and between cracks in rock.
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Ground water supplies ~50% of US population Cheapest source of water.
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Water table - top of saturated zone
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Groundwater Groundwater Terms Terms Unsaturated zone Unsaturated zone Saturated zone Saturated zone Water table Water table: boundary between unsaturated and saturated zones.
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Elevation of water table changes depending on climatic conditions
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Wet Period Wet Period
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Dry Period Dry Period
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Spring Location where water table intersects ground surface.
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Rates of groundwater movement Slow to very slow Generally 10 - 100 cm per day
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groundwater - Groundwater Groundwater Groundwater Hydrology...

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