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Aquitard

Definition of the noun Aquitard

What does Aquitard mean as a name of something?

noun

  1. An impermeable layer along an aquifer.

Printed dictionaries and other books with definitions for Aquitard

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Google preview21st Century Homestead: Sustainable Agriculture II: Farming and Natural Resources

by Marlon Henkel

An aquitard is a zone within the earth that restricts the flow of groundwater from one aquifer to another. An aquitard can sometimes, if completely impermeable, be called an aquiclude ...

Google previewApplied Geothermics (2014)

by Lev Eppelbaum, Izzy Kutasov, Arkady Pilchin

An aquitard is a rock layer with very low permeability (silt, clay, etc.) within the Earth that restricts the flow of groundwater from one aquifer to another (a water barrier). An impermeable aquitard is usually called an aquiclude. Aquitards and/ or ...

Google previewGroundwater in Ethiopia (2012)

Features, Numbers and Opportunities by Seifu Kebede

Aquitard is a rock that holds water but doesn't transmit the water to wells at economical rates. Groundwater exists inside fractures of rocks or inside open spaces called porosities of rocks. Open spaces are formed either after or during the ...

Google previewSeepage and Groundwater (1982)

by M.A. Mariño, J.N. Luthin

An aquitard is a semipervious formation, transmitting water very slowly compared with an aquifer. It can, however, permit the passage of large quantities of water over a large (horizontal) area. An aquitard is often called a semipervious layer or ...

Google previewHydraulics of Groundwater (2012)

by Jacob Bear

An aquitard is a geologic formation which is of a semipervious nature; it transmits water at a very low rate compared to the aquifer. However, over a large ( horizontal) area, it may permit the passage of large amounts of water between adjacent ...

Google previewUrban Geology (2011)

Process-Oriented Concepts for Adaptive and Integrated Resource Management by Peter Huggenberger, Jannis Epting

Aquitard An aquitard is a relatively poorly permeable water-bearing geological formation capable of retaining water of an overlain aquifer. Artesian groundwater Artesian groundwater derives from a confined aquifer containing water under ...

Google previewEngineering Geology (2007)

by F G Bell

An aquitard is a formation that transmits water at a very slow rate but that, over a large area of contact, may permit the passage of large amounts of water between adjacent aquifers that it separates. Sandy clays provide an example. An aquifer ...

Google previewGroundwater, 3rd Edition (M21) (2003)

by AWWA Staff

Aquitard is a low-permeability geologic unit that can store groundwater and also transmit it slowly from one aquifer to another. A leaky aquifer formation may be an aquitard. Effective pore space is an indication of how much of the void space ...

Google previewIntroduction to Environmental Technology (1996)

by Ann Boyce

An aquitard is a confining layer having low permeability. It is essentially impermeable, meaning water cannot pass through it. An aquifer performs two important functions: storage and transport. The pores, fractures, and other openings in the ...

Google previewHandbook of Environment & Waste Management (2014)

by Yung-Tse Hung

that are often termed aquitards [an aquitard is a less permeable geologic unit or series of ...

Google previewMechanics of Groundwater in Porous Media (2014)

by Muhammad I. Haque

An aquitard refers to a geological formation that transmits water at a very ...

Google previewScience, Grade 7 (2012)

by Spectrum

An aquitard is a layer of material that slows the flow of groundwater. It's made of dense materials like clay or shale. An aquiclude is an impermeable layer of material through which groundwater cannot pass. Groundwater stays relatively close ...

Google previewRocky Flats National Wildlife Refuge (N.W.R.), Comprehensive Conservation Plan (2004)

Environmental Impact Statement

An aquitard is a confining layer with low permeability that can store of water but does not allow water to readily pass through it. The upper alluvial aquifer is comprised of the unconsolidated materials that can be as much as 100 feet thick in the ...

Google previewFundamentals of Hydrology (2008)

by Tim Davie

An aquitard is a geological ...

Google previewGeological Aspects of Hazardous Waste Management (1993)

by Stephen M. Testa

An aquitard is a geological unit that is permeable enough to transmit water in ...

Google previewDynamics of Fluids in Porous Media (1972)

by Jacob Bear

An aquitard is a semipervious geologic formation transmitting water at a very slow rate as compared to the aquifer. However, over a large (horizontal) area it may permit the passage of large amounts of water between adjacent aquifers, which it ...

Google previewEncyclopedia of Water Science (Print) (2003)

by Bobby A. Stewart, Terry Howell

An aquitard is a semipervious formation, transmitting water very slowly compared with an aquifer. It can, however, permit the passage of large quantities of water over a large (horizontal) area. An aquitard is often called a semipervious layer or ...

Google previewSoutheast Highland Drive, 9400 South to I-15, Salt Lake County (1998)

Environmental Impact Statement

An aquitard is a confining layer of sediment or rock that retards but does not prevent the flow of water to or from an adjacent aquifer (Bates and Jackson 1 984 ). Perched aquifers may also be present on top of the less permeable layers between ...

Google previewEncyclopedia of Atmospheric Sciences (2014)

by Gerald R. North, John A. Pyle, Fuqing Zhang

An aquitard is a formation of relatively low permeability, and includes both formations that contain water but do not transmit significant quantities (e.g., clays and shales) and formations that neither contain nor transmit significant quantities of ...

Google previewIllustrated Dictionary and Resource Directory of Environmental and Occupational Health, Second Edition (2016)

by Herman Koren

aquiclude — See aquitard. aquifer — The geological formation of a porous, ...

Google previewEncyclopedia of Environmental Change (2013)

Three Volume Set by John A Matthews

[See also AQUITARD, GROUNDWATER] JAM aquifer A waterbearing stratum of rock or sediment. Aquifers ...

Google previewDictionary of Environmental Engineering and Wastewater Treatment (2016)

by Alireza Bahadori, Scott T. Smith

Aquitard A geologic formation that may contain groundwater but not capable of transmitting significant quantities of groundwater under normal hydraulic gradients. Area Drain A drain installed to collect surface or stormwater from an open area ...

Google previewThe Dictionary of Physical Geography (2015)

by David S. G. Thomas

or semipermeable aquitard, or confined if it is held ...

Google previewA Dictionary of Environment and Conservation (2017)

by Michael Allaby, Chris Park

See also aquiclude; aquitard; artesian well; confined aquifer; perched aquifer. aquifer depletion (groundwater mining, overdraft) Withdrawing *groundwater from an *aquifer faster than it is naturally replenished. aquifer mining The withdrawal ...

Google previewDictionary of Geological Terms (1984)

by Robert Latimer Bates, Julia A. Jackson

Cf: aquifuge; aquitard. aquifer (aq'-ui-fer) A body of rock that is sufficiently permeable to conduct ground water and to yield economically significant quantities of water to wells and springs. Syn: water horizon,' ground-water reservoir. aquifuge ...

Google previewDictionary Of Civil Engineering (1992)

by John S. Scott

An aquitard. aquifer [hyd.] Buried rock or soil that not only contains water but also yields it up easily to a pipe or well driven into it. It is therefore porous and of high permeability, like a uniformly sized gravel or a fissured limestone or sandstone.

Google previewDARE's Dictionary of Environmental Sciences and Engineering (2003)

by A.M.O. Mohamed, D. Chenaf, S. El-Shahed

Aquitard: Geological formation that may contain groundwater but is not capable of transmitting significant quantifies of it under normal hydraulic gradients. May fonction as confining bed. Architectural coatings: Covcrings such as paint and roof ...

Google previewA Dictionary of Climate Change and the Environment (2012)

Economics, Science and Policy by R. Quentin Grafton, Harry W. Nelson, N. Ross Lambie, Paul R. Wyrwoll

aquitard. An underground geological formation containing water, but which is unable to transmit substantial quantities.

Google previewDictionary Of Environment (2008)

by Kulwant Rai Gupta, Ashish Kumar Gupta & Suriti Gupta

Aquitard. Geological formation that may contain groundwater but is not capable of transmitting significant quantities of it under normal hydraulic gradients. May function as confining bed. Arable Land. Land that can be cultivated to grow crops.

Google previewInternational Encyclopaedia of Engineering and Technology (2007)

by M N Doja

aquitard An underground bed or layer of soil, rock or clay that is too dense to allow easy passage of water. arabic numerals The numerals 1,2,3,4,5,6,7,8,9, and 0 that we use today ...

Google previewHazardous Materials Dictionary, Second Edition (1994)

by Ronny J. Coleman

Aquitard (Aquiclude) An underground geological formation that is impermeable to or impedes the movement of water. ARB Air Resources Board (state). Arbitrary and Capricious Without fair, solid, and substantial reason. Area Plan A plan ...

Google previewMarine Affairs Dictionary (2004)

Terms, Concepts, Laws, Court Cases, and International Conventions and Agreements by Niels West

(See also Aquitard; Aquifer; Depression Cone; Groundwater Table; Recharge; Recharge Area; Recharge Rate; Spring) ARTHROPODA: Animal phylum characterized by a hard exoskeleton, a segmented body, and paired, jointed legs .

Google previewDictionary of Geophysics, Astrophysics, and Astronomy (2001)

by Richard A. Matzner

A confined aquifer is an aquifer that is overlain by a confining bed with significantly lower hydraulic conductivity (an aquitard); ...

Google previewEncyclopedic Dictionary of Hydrogeology (2011)

by D. J. Poehls, Gregory J. Smith

Aquitard Also called a leaky confining layer, or leaky confiningbed. A confining unit that retards but does not prevent the flowof water to or from an adjacent aquifer. An aquitard is the less-permeable bed in a stratigraphic sequence. An aquitard ...

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Video about Aquitard

Aquitard Meaning

Video shows what aquitard means. A semipermeable layer along an aquifer.. Aquitard Meaning. How to pronounce, definition audio dictionary. How to say ...

Scrabble value of A1Q10U1I1T1A1R1D2

The value of this 8-letter word is 18 points, but it's not an accepted word in the Official Scrabble Players Dictionary.

Anagrams of AQUITARD

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