Water knowledge
WATERPEDIA
Technical water terms, definitions and acronyms.
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adhesion
the process of water being attracted or adhering to other substances
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AF
Acre Feet (or Acre - Foot)
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AFY
Acre - Feet per Year
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Alkaline
sometimes water or soils contain an amount of alkali (strongly basic) substances sufficient to raise the pH value above 7.0 and be harmful to the growth of crops.
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alkalinity
the capacity of water for neutralizing an acid solution.
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alluvium
deposits of clay, silt, sand, gravel, or other particulate material that has been deposited by a stream or other body of running water in a streambed, on a flood plain, on a delta, or at the base of a mountain.
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AOGCM
Atmospheric Ocean General Circulation Models
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appropriation doctrine
the system for allocating water to private individuals used in most Western states. The doctrine of Prior Appropriation was in common use throughout the arid west as early settlers and miners began to develop the land. The prior...
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aquaculture
farming of plants and animals that live in water, such as fish, shellfish, and algae.
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aqueduct
a pipe, conduit, or channel designed to transport water from a remote source, usually by gravity.
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aquifer
a geologic formation(s) that is water bearing. A geological formation or structure that stores and/or transmits water, such as to wells and springs. Use of the term is usually restricted to those water-bearing formations capable of...
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aquifer (confined)
soil or rock below the land surface that is saturated with water. There are layers of impermeable material both above and below it and it is under pressure so that when the aquifer is penetrated by a well, the water will rise above the...
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