aquifer-is a wet underground layer of water-bearing permeable rock or unconsolidated materials (gravel, Sand, silt, or clay) from which groundwater can be usefully extracted using a water well.
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Aquiclude-An impermeable body of rock or stratum of sediment that acts as a barrier to the flow of groundwater
An aquifer is different from an aquitard because an aquifer allows water to pass through whereas an aquitard does not.
An Aquitard is a zone within the earth that restricts the flow of groundwater from one aquifer to another.
The bedrock below an aquifer is called the water table. For example if a hole is dug into sand, very wet and saturated sand at shallow depth this would represent the aquifer and the level to which the water rises in this hole would be called the water table.
from an aquifer
water.aquiferAquiferan aquifer
South
An Aquitard is a zone within the earth that restricts the flow of groundwater from one aquifer to another.
it has to be impermeable so it can line the aquifer without letting water straight through
The bedrock below an aquifer is called the water table. For example if a hole is dug into sand, very wet and saturated sand at shallow depth this would represent the aquifer and the level to which the water rises in this hole would be called the water table.
If you are talking about science, then an aquitard is an impervious layer of clay, silt, or rock that will not allow the water to pass through it fast enough to be used as a water supply.Geological formation that may contain groundwater but is not capable of transmitting significant quantities of it under normal hydraulic gradients. May function as confining bed.
There really is no practical difference. The water table is what you are able to access, through a well, distance to water. The aquifer is the geologic formation that you are accessing. Like the Edwards or Ogalla, one is practical, the other is geologic.
An aquitard is an impermeable lump of rock or clay. It does not allow water to flow through it which means that it blocks the water sending it to another destination.
Highly impermeable layers such as clay or shale are referred to as an aquitard. While permeable sand and limestone that can transmitt large amounts of water to a well are referred to as an aquifer.
clay
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from an aquifer
aquifer.
Northern Aquifer