MetaGlossary.com: Impermeable Layer

Keywords: Aquifer, Clay, Hardpan, Impervious, Percolation

Related Terms: Aquifer, Impermeable, Impervious, Infiltrate, Infiltration, Percolate, Percolation, Permeable, Pervious, Puddle, Seep, Seepage, Spring , Water Table, Field Capacity, Permeability, Groundwater, Saturated Zone, Unconfined Aquifer, Aquiclude, Recharge, Unsaturated Zone, Vadose Zone, Aquitard, Confined Aquifer, Zone Of Saturation, Groundwater Recharge, Zone Of Aeration, Soil Moisture, Ground Water, Groundwater Table, Spring Water, Perched Water Table, Perched Aquifer, Water-Table, Capillary Fringe, Saturated, Soil Porosity, Perched Water, Groundwater Level, Aquifers, Confining Layer, Capillary Water, Phreatic, Connate Water, Unsaturated Flow, Subirrigation, Make-Up Water, Subsurface Water, Pore Water

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Dense layer in the soil profile impervious to infiltration. cf. hardpan.

http://www.ees.adelaide.edu.au/icooper/glossary/i.htm

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A layer of material (such as clay) in an aquifer through which water does not pass.

http://www.groundwater.org/gi/gwglossary.html

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A layer of rock, sediment or soil that does not allow water to pass through. This could be caused by a lack of pore space or pore spaces that are so small that water molecules have difficulty passing through.

http://geology.com/dictionary/glossary-i.shtml

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A layer of material (e.g. clay) in an aquifer through which water does not pass.

http://www.apsu.edu/wet/whatis.html

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a layer of solid material, such as rock or clay, which does not allow water to pass through.

http://www.farriswater.com/glossary.html

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A layer that does not permit water to flow through it.

http://www.bmwd.org/Terminology.htm

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Layer of clay below ground surface that can impede downward percolation of water.

http://sfep.abag.ca.gov/reports/fact/agdrain.html

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