Confined aquifers, bounded by impermeable layers, store water under pressure, whereas unconfined aquifers are recharged directly by surface water and are sensitive to atmospheric influences.

Aquifers are classified as either unconfined or confined. Unconfined aquifers lack a restrictive layer above the water table.

The shallow fracture-flow dominated wells in Eastern Kentucky, alluvial wells throughout Kentucky, wells drawing from both confined and unconfined aquifers across the commonwealth — all of these ...

An unconfined aquifer allows water to seep in from the ground above, helping it to stay full of water. “The unconfined Columbia aquifer is important to all three counties,” McLaughlin said.

The manner in which the different layers of our confined, semi-confined or leaky, and unconfined aquifers interact and are recharged by rivers and streams is not fully understood.

Let Troy be unconfined <i>La Belle Helene</i> | Barbican Hall, London Robert Maycock Wednesday 01 November 2000 01:00 GMT 0 Comments ...

The Abbotsford-Sumas aquifer is located within the Fraser and Nooksack River lowlands in southwest British Columbia and northern Washington State. The aquifer is mostly unconfined and is located on a ...

The shallow and "unconfined" aquifer and deeper "confined" aquifer, both remnants of an ancient lake, represented turning points for farming.