APES- Aquifers in the US
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APES- Aquifers in the US
Water for the United States
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Ogallala Aquifer and ethanol - the potential for another Dust Bowl

Ogallala Aquifer and ethanol - the potential for another Dust Bowl | APES- Aquifers in the US | Scoop.it

This is an image of Ogalla Lake which is a part of the Ogalla Aquifer in Texas. This aquifer is found under eight states in the middle of America and is very important for human and agricultural uses. Its importance is the main reason that its declining water levels are a big concern. Another concern is the fact that it could turn into a huge Dust Bowl. 

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Aquifers and Groundwater, from USGS Water-Science School

Aquifers and Groundwater, from USGS Water-Science School | APES- Aquifers in the US | Scoop.it

An aquifer is the saturated zone beneath the water table that holds a large quantity of water. Humans use the water from aquifers by building wells. However, it is important to take precautions when pumping the water so that the well doesn’t dry out. It’s also important to keep in mind the level of the water table so that a cone of depression doesn’t occur.  Groundwater is arguably the most valuable resource on earth and contains rocks below the water table that fill up with water. The rocks that are at greater depts contain cracks that are reduced in size; therefore, their porosity and permeability are not as high as the rocks closest to the surface.

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Co-Hosting Hearings on Long Island's Aquifers - Port Washington ...

Co-Hosting Hearings on Long Island's Aquifers - Port Washington ... | APES- Aquifers in the US | Scoop.it

Long Island is having a hearing because they want to protect their aquifers. Aquifers provide the city with all their water and right now anyone with a well permit can access it. They want to get this changed so that there are less chances of it being contaminated or polluted. 

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Recent rains provide needed relief for area aquifers - YNN - Your ...

Recent rains provide needed relief for area aquifers - YNN - Your ... | APES- Aquifers in the US | Scoop.it

Central Texas' springs have suffered deaply due to the droughts in Septemeber.  However, the recent rain has been able to bing a well-needed relief for the underground water supply in the area.  In the case of the Edwards Aquifer and Salado Springs, the rainfall has allowed the springs to recover significantly.  Unfortuantley this isn't the case for everyone.  For example the the Barton Springs portion of the Edwards Aquifer Conservation District says that most of the rain has missed the recharge zone which support the springs.

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Types of Aquifers

Types of Aquifers | APES- Aquifers in the US | Scoop.it

This diagram shows how there are two types of aquifers: confined and unconfined. Confined aquifers are located underneath the ground and are protected by a layer of impermeable rock. Unconfined aquifers are located above the impermeable layer and are connected to sources of water such as streams or rivers.

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Aquifers in the US

Aquifers are areas underground where water is held. There are two different types of aquifers. Confined aquifers are underneath a layer of impermeable rock. This layer blocks it from the surface. Unconfined aquifers are above that layer of rock and are in contact with the surface. Being in contact with the surface increases chances of pollution but also makes it easier to access. 

 

The water from aquifers can be accessible to humans by the use of wells. A specific type of well society has found to be useful is an artestian well. These types of specific wells are able to rise water up to the surface without a pump due to the confined pressure below layers of impermeable rock. When pumping however, it is important to try and keep the level of the water table even so that nearby wells don't dry out.

 

A prime example of an important aquifer in the United States is the Ogallala Aquifer, which spreads out from Texas to South Dakota. This aquifer is currently in danger of creating potential harmful impacts, such as a depression-style dust bowls. This effect can be caused by pumping too much water from the ground for ethanol. Environmentalist desperatly want to help preserve Ogallala Aquifer the best that they can by calling for a low-carbon fuel standard and a greater amount of protection of the land resources and water.

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Irrigation Wells

Irrigation Wells | APES- Aquifers in the US | Scoop.it

This is an image of an irrigation well that demonstrates the water from aquifers being used in order to water crops in the fields.

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Environment groups say Midwest Generation coal ash polluting groundwater, file ... - The Republic

Environment groups say Midwest Generation coal ash polluting groundwater, file ... - The Republic | APES- Aquifers in the US | Scoop.it

This article is about how environmental groups want the company, Midwest Generation, to stop dumping coal ash into the groundwater and to clean up what has already been harmed. These groups are trying to get the Illinois Environmental Control Board to get involved and order the company to stop. They are saying that there aren't enough protective measures put in place to make sure that the ash's pollutants don't mix with the groundwater in the area. 

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