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15 Cards in this Set
- Front
- Back
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Where does most groundwater originate from? |
Rainwater |
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How does rainwater get through the soil? |
Infiltrates |
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What does water percolate through after infiltrating the soil? |
Unsaturated zone |
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The level at which water sits within the ground is known as the what? |
Water table |
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Rocks above the water table have what between their pore spaces? |
Air and water |
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Rocks below the water table have what in their pore spaces? |
Water |
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The shape of the water table is proportional to what? |
Surface topography |
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The water table changes based upon what? |
Rainfall |
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Hydrostatic pressure results from what? |
Weight of overlying water |
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Hydrostatic pressure increases with water level and what else? |
Depth |
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The height of the overlying water column is known as what? |
Hydrostatic head |
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What causes groundwater to flow? |
Pressure |
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Water flows from high pressure to low pressure down what? |
Hydraulic gradient |
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The rate of waters flow is proportional to what? |
Drop in height of the water table |
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Difference in hydrostatic pressure -------------------------------------------------- Distance between 2 points
The above is the equation for finding what? |
Hydraulic gradient |
