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Water Education Glossary

If it has to do with water, the water cycle, water use, water management, water conservation, and water education then you can find out what it means here!

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A
Abandoned Water Right:

A water right which has not been put to Beneficial Use for generally five or more years, in which the owner of the water right states that the water right will not be used, or takes such actions that would prevent the water from being beneficially used. Compare to Forfeited Water Right.

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Abandonment (Water Right):

(1) Generally refers to the intentional surrender of a water right by virtue of nonuse. (2) Failure to put a water right to Beneficial Use for generally five or more years, in which the owner of the water right states that the water right will not be used, or takes such actions that would prevent the water from being beneficially used. Also see Abandoned Water Right. Compare to Forfeiture (Water Right).

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Abatement:

Reducing the degree or intensity of, or eliminating, pollution, as a water pollution abatement program.

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Absolute Humidity:
Measurement of atmospheric humidity. Absolute humidity is the mass of water vapor in a given atmospheric humidity of air (this measurement is not influenced by the mass of the air). Normally expressed in grams of water vapor per cubic meter of atmosphere at a specific temperature.
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Accumulation:
Surface addition of snow to a glacier or snowfield.
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Acid:
(1) Substance having a pH less than 7.
(2) Substance that releases hydrogen ions (H+).
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Acid Precipitation:
Atmospheric precipitation with a pH less than 5.6. Normal pH of precipitation is 5.6.
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Acid Rain:
Rain with a pH less than 5.6. Normal pH of precipitation is 5.6.
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Acidic:
Any substance with a pH below 7.
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watermeasureconversionchart.pdf
acre foot (af): The volume of water necessary to cover one acre to a depth of one foot; equal to 43,560 cubic feet or 325,851 gallons.
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