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Awesome Aquifers pt2

Part Two of the Vocab

TermDefinition
Pore Space Openings between geologic material found underground
Porosity The capacity of rock or soil to hold water
Porosity Ratio The ratio of the volume of air spaces in a rock or sediment to the total volume of the rock or sediment
Recharge Water added to an aquifer
Recharge Rate The quantity of water per unit of time that replenishes or refills an aquifer
Recharge Zone/Area An area where permeable soil or rock allows water to seep into the ground to replenish an aquifer
Remediation Containment, treatment, or removal of contaminated groundwater
Residence Time Period of time that groundwater remains in an aquifer
Safe Yield An annual amount of water that can be taken from a source over a period of years without depleting that source beyond its ability to be replenish naturally in "wet years"
Salt Water Intrusion Process by which an aquifer is overdrafted creating a flow imbalance within an area that results in salt water intruding into fresh water supply
Saturation Zone The portion below the earth's surface that is saturated with water
Subsidence A depression of the land surface as a result of groundwater being pumped
Surface Water Water above the surface of the land
Water Table The top of an unconfined aquifer; it indicates the level below which soil and rocks are saturated with water
Well A bored, drilled or driven shaft, or a dug hole whos purpose is to reach underground water supplies to inject, extract, or monitor water
Well Closure The process of sealing a well that is no longer being used
Well Siting Location of a well placed to best protect water quality
Wellhead protection Area A protected surface and subsurface surrounding a well or well field
Withdrawal Water removed from a surface or groundwater source for use
Sustainable Yield also known as Safe Yield
Created by: jinghan.sun
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