http://www.jacoballred.com/rants/impermeable-rock/ Mon, 30 Jan 2012 22:46:44 +0000 hourly 1 http://www.jacoballred.com/rants/impermeable-rock/comment-page-1/#comment-309 MELISSA Mon, 30 Nov 2009 18:41:22 +0000 http://www.zulugrid.com/2006/07/11/impermeable-rock/#comment-309 thats a very good point so what is so special about artesian water thats a very good point so what is so special about artesian water

]]> http://www.jacoballred.com/rants/impermeable-rock/comment-page-1/#comment-269 Kaylah Sun, 07 Oct 2007 17:55:25 +0000 http://www.zulugrid.com/2006/07/11/impermeable-rock/#comment-269 Impermeable means that it has a lot of poures like your face has a lot of poures!!!!! Impermeable means that it has a lot of poures like your face has a lot of poures!!!!!

]]> http://www.jacoballred.com/rants/impermeable-rock/comment-page-1/#comment-268 me Thu, 09 Aug 2007 05:53:46 +0000 http://www.zulugrid.com/2006/07/11/impermeable-rock/#comment-268 My boyfriend said the same thing. I thought he made a good point until I looked up the defenition of an aquifer. Aquifer (artesian): An aquifer that is bounded above and below by impermeable rock or sediment layers. The water in the aquifer is also under enough pressure that, when the aquifer is tapped by a well, the water rises up the well bore to a level that is above the top of the aquifer. The water may or may not flow onto the land surface. -------------------------------------------------------------------------------- Aquifer (confined): An aquifer that is bounded above and below by impermeable rock or sediment layers. There may or may not be enough pressure in the aquifer to make it an "artesian aquifer". -------------------------------------------------------------------------------- Aquifer (unconfined): An aquifer that is not overlain by an impermeable rock unit. The water in this aquifer is under atmospheric pressure and is recharged by precipitation that falls on the land surface directly above the aquifer. My boyfriend said the same thing. I thought he made a good point until I looked up the defenition of an aquifer. Aquifer (artesian): An aquifer that is bounded above and below by impermeable rock or sediment layers. The water in the aquifer is also under enough pressure that, when the aquifer is tapped by a well, the water rises up the well bore to a level that is above the top of the aquifer. The water may or may not flow onto the land surface.
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Aquifer (confined): An aquifer that is bounded above and below by impermeable rock or sediment layers. There may or may not be enough pressure in the aquifer to make it an “artesian aquifer”.
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Aquifer (unconfined): An aquifer that is not overlain by an impermeable rock unit. The water in this aquifer is under atmospheric pressure and is recharged by precipitation that falls on the land surface directly above the aquifer.

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