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Awesome Aquifers

The Complete Glossary for Awesome Aquifers Event

TermDefinition
Aeration Zone The zone immediately below the land surface
Aquifer An underground geological formation able to store and yield water
Cone of Depression The zone around a well in an unconfined aquifer that becomes unsaturated when pumped
Confining Layer Geologic material with little to no permeability or hydraulic conductivity
Hydraulic Conductivity The ease with which water can move through pore spaces or fractures
Depletion The loss of water from reservoirs or aquifers at a rate that is greater than that of recharge
Discharge An outflow of water from a stream, pipe, groundwater aquifer or watershed
Drawdown A lowering of the groundwater level caused by pumping
Flow Rate The time required for a volume of groundwater to move between points
Groundwater Water found in the spaces between soil particles and cracks in rocks underground
Hydrologic Cycle Also known as the "Water Cycle"
Water Cycle The paths water takes through its various states
Impermeable Layer A layer of material in an aquifer where water can not pass through it.
Infiltration Flow of water from the land surface into the subsurface
Infiltration Rate The quantity of water that enters the soil surface in a specified time interval
Volume of Water per unit of soil surface per unit of time How infiltration rate is often expressed
Monitoring Well A none pumping well that is used to measure the elevation of a water table or water quality
Overwithdrawal Taking out groundwater over a period of time that exceeds the recharge rate of the supply aquifer
Permeable Being capable of transmitting water; the rate at which water moves through rocks or soil
Plume An underground pattern of contaminant concentrations created by the movement of groundwater beneath the contaminated source
Pore Space Openings between geologic material found undergrounds
Interstices Also known as pore space
Void Space Also known as pore space
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 that rock or sediment
Recharge Water added to an aquifer
Recharge Rate The quantity of water per unit of time that replenishes an aquifer
Recharge Zone Also known as recharge area
Recharge Area An area where permeable soil or rock allows water to seep into the ground
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 out of an aquifer over a period of years without depleting the source to the point where it can not be replenished naturally
Salt Water Intrusion A process where an overdrafted aquifer creates a flow of imbalance in an area that results in salt water mixing with a fresh water supply
Saturation Zone The portion below the Earth's surface that is saturated with water
Saturated Holding as much water or moisture as can be absorbed; thoroughly soaked
Subsidence A depression of the land surface as a result of ground water being pumped
Surface Water water above the surface of the land
Water Table The top of an unconfined aquifer that indicates the level below which soil and rock are saturated with water
Well A bored, drilled or driven shaft whose purpose is to reach underground water supplies
Well closure The process of sealing a well that is no longer being used
Well Sitting Location of a well placed to best protect water quality
Wellhead Protection Area A protected surface and subsurface zone surrounding a well or well field
Withdrawal Water removed from a surface or groundwater source for use.
Created by: jinghan.sun
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