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Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Unconfined_aquifer — Please support Wikipedia.
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152 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.

152 videos foundNext > 

34 news items

 
Monte Vista Journal
Thu, 30 Oct 2014 08:00:00 -0700

#2, Rio Grande alluvium; unconfined aquifer; encompassing about 300 wells, half of which are active and are owned by about 60 individual well owners, with 10 non-irrigation wells in that area including Colorado State Veterans Center, City of Monte ...
 
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 ...
 
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 ...
 
San Angelo Standard Times
Sat, 31 May 2014 19:56:46 -0700

Water flow in an unconfined aquifer is driven by gravity; it typically follows the topography of a region. For example, in a valley, groundwater will flow from high to low elevation. Humans can change the direction of groundwater flow by changing the ...
 
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.
 
Vernon Morning Star
Sun, 25 May 2014 01:00:57 -0700

Nitrates has at least one Spallumcheen resident questioning the potability of water in the Steele Springs Water District. In a letter to the township, Terry Paull alerted mayor and council that the 52 households served by the almost 100-year-old water ...
 
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.
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