Groundwater Vocabulary (Tabat)
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Aquifer | Porous rock and sediment with water in between
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| Capillary action | How water moves through porous media
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| Recharge | The amount of water that is available to enter groundwater in a region
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| Porosity | Small spaces between grains
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| Permeable | Connections between pores
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| Impermeable | A layer that does not have pores
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| Water table | The upper surface where the groundwater reaches
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| Spring | A source of water from the ground
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| Well | Created by digging or drilling to reach groundwater
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| Subsidence | The water table causes the ground surface to sink
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| Remediation | the action of remedying something; reversing or stopping environmental damage
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| Bioremediation | the use of micro-organisms to consume and breakdown environmental pollutants in order to clean up a polluted site
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| What is groundwater? | water held underground in the soil or in pores and crevices in rock
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| How does groundwater begin? | It begins as rain that seeps into the ground and fills the groundwater basins
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| What is the cone of depression? | a dimple formed in the groundwater table around a well
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| How is the cone of depression created? | It is due from water being pumped into the well
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| Why would water treatment design engineers be interested in groundwater quality data? | To determine how much and which type of treatment is required
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| Where is the 1% of freshwater located on Earth for human use? | Groundwater
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| What type of precipitation most often soaks the ground and refills groundwater? | a gentle, long-lasting rain
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| What causes the rate of groundwater movement to change? | The rock material through which the water is moving
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| What is the best source of information about the quality of water in aquifers? | Wells
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| What is the importance of an aquifer? | It holds uncontaminated ground water for human consumption
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| Why do lakes, rivers, and streams require more treatment than groundwater? | They are exposed to a greater variety of contaminants
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| During a drought, what happens when the water table dries while the aquifer remains nearly full? | The aquifer keeps it water level because of other sources of water
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| What is the relationship between water stored in the ocean and water stored in groundwater? | Water from the ocean evaporates, condenses, and forms precipitation. It enters groundwater through the soil by infiltration and groundwater enters the ocean as discharge
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| Why would a freshwater well near the ocean have saltwater in it? | The water in the aquifer is being used faster than it is naturally replenished and the ocean water in coming in to it.
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| What could cause a well that has always worked perfectly to suddenly stop working? | A falling water table due to decreased precipitation over a long period of time
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| What could you do to reduce the intrusion of saltwater into a fresh water underground source in a coastal region? | Conserve water by reducing consumption in homes, schools and businesses
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