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Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Unconfined_aquifer — Please support Wikipedia.
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144 videos foundNext > 

Aquifer Types

A short describtion of the two most common aquifers; confined and unconfined.

HSAG Groundwater Model Unconfined Aquifer

Demonstration of How Aquifers and Aquitards

This demonstration shows how aquifers and aquitards work. http://en.wikipedia.org/wiki/Aquifer The container on the left contains sand, The container on the ...

SPREADSHEET FOR UNCONFINED AQUIFER TEST ANALISIS

This video is part of : Groundwater Spreadsheets for solving Groundwater Flow and Pollution Problems. Can be downloaded from: https://sites.google.com/a/hidr...

HSAG Calculating Groundwater Velocity Unconfined Aquifer

Observe the movement of water through an unconfined aquifer and calculate its groundwater velocity.

Boussinesq, unconfined groundwater flow on a sloping aquifer bottom

A nice example of groundwater flow on an inclined sloop. The data are in the title of the figure. We start with some initial head which is a sine between the...

Sinkhole test video

This is an experiment of one type of sinkhole formation. The bottom layer (filled with water) is the confined aquifer which has a small opening in the middle...

Sinkhole formation

This is an experiment of one type of sinkhole formation. The bottom layer (filled with water) is the confined aquifer which has a small opening in the middle...

Aquifer

An aquifer is an underground layer of water-bearing permeable rock or unconsolidated materials (gravel, sand, or silt) from which groundwater can be extracte...

Verification using GMS

This video shows how to set up a simple model in GMS and verify it using the analytical solution for a confined or unconfined aquifer.

144 videos foundNext > 

31 news items

 
Cape Gazette
Fri, 05 Dec 2014 08:21:29 -0800

This campground will result in considerable deforestation with impervious surfaces causing polluted runoff into the surrounding environment including Love Creek and the unconfined aquifer which flows only a few feet from the surface and which is the ...
 
Cape Gazette
Fri, 28 Nov 2014 11:07:00 -0800

These factors combined with extensive development within the 100-year floodplain will unavoidably increase pollution into both the creek and the unconfined aquifer, Sussex's main source of drinking water which flows within a few feet of the surface ...
 
KQED QUEST (blog)
Wed, 26 Mar 2014 11:12:59 -0700

Aquifers are bodies of saturated rock and sediment through which water can move, and they provide 99% of our groundwater. Humans rely on aquifers for most of our drinking water. However, we are not only depleting this supply but are its biggest ...
 
Suwannee Democrat
Thu, 11 Sep 2014 13:18:58 -0700

Excavating a six foot wide, seven foot deep trench through the unconfined aquifer (unprotected from surface water runoff and contamination) could cause sinkholes and threaten the sole source of drinking water and the soul source of spring discharge ...
 
ABC Online
Thu, 20 Mar 2014 01:44:26 -0700

PETE BALNAVES: There's known leakage between the top unconfined aquifer and the bottom aquifer, and so even taking water out of the lower aquifer could change the equilibrium. CAROLINE WINTER: Pete Balnaves says that clean water is precious, and ...

ecoRI news

ecoRI news
Mon, 24 Feb 2014 04:57:22 -0800

This diagram shows the structure of the groundwater aquifer of the Outer Cape. Note that the supply of fresh water is surrounded by salt water on both sides and from below. (USGS)Impact of sea-level rise on Cape's drinking-water supply a concern.
 
Valley Courier
Fri, 30 Nov 2012 21:44:40 -0800

The Rio Grande Water Conservation District is actively studying this area with the measurement of approximately 27 wells in order to accurately monitor the change in the unconfined aquifer storage and to manage the shallow unconfined aquifer.
 
K-State Collegian
Wed, 12 Feb 2014 22:45:00 -0800

Today's average American farmer feeds about 155 people, according to the Center for Food Integrity's education program Farmers Feed US. One of a farmer's most precious and essential resources, however, may be in shortage in the future, which could lead ...
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