https://www.usgs.gov/faqs/what-difference-between-a-confined-and-unconfined-water-table-aquifer

A confined aquifer is an aquifer below the land surface that is saturated with water. Layers of impermeable material are both above and below the aquifer, ...

https://www.usbr.gov/lc/yuma/programs/YAWMS/GROUNDWATER_aquifer.html

Sep 20, 2018 ... There are generally two kinds of aquifers: confined and unconfined. ... The aquifer in the Yuma area is an unconfined aquifer, composed ... As a result of these mechanism differences, the specific yields of unconfined aquifers ...

https://sciencing.com/differences-confined-aquifer-unconfined-aquifer-8749041.html

Mar 13, 2018 ... Aquifers are bodies of water located underground. They may be enclosed within surrounding rock, which is called a confined aquifer, or exist ...

http://techalive.mtu.edu/meec/module04/Basics3.htm

Aquifers come in two types which are shown below: unconfined and confined. Unconfined aquifers are those into which water seeps from the ground surface ...

https://dpipwe.tas.gov.au/water/groundwater/aquifers/confined-unconfined-aquifers

Apr 11, 2017 ... Confined aquifers are overlain by impermeable rock or clay. Unconfined aquifers are closer to the surface.

http://www.ques10.com/p/15879/difference-between-confined-and-unconfined-aquif-1/

Unconfined aquifer, Confined aquifer. In this of aquifers the water table is formed in the upper surface of zone of saturation. So it is called as ...

https://www.quora.com/What-is-the-difference-between-confined-and-unconfined-aquifers

A confined aquifer has a layer of impermeable rock that prevents water from infiltrating directly from the surface. An unconfined aquifer is ...

https://www.e-education.psu.edu/earth111/node/911

Confined aquifers differ from unconfined aquifers in two fundamental and important ... This condition requires that the water pressure in the aquifer is sufficient to ...

https://www.youtube.com/watch?v=wx0w-Az5JOY

Mar 8, 2017 ... A brief description of the differences between unconfined aquifers and confined aquifers.

https://www.ngwa.org/what-is-groundwater/About-groundwater/unconfined-or-water-table-aquifers

An aquifer in an unconfined state has entirely different storage properties than an aquifer in the confined or artesian state. For a groundwater reservoir to be ...