Water

Water

Water is a chemical compound with the chemical formula H20. A water molecule contains one hydrogen atom and two oxygen atoms. Water is a liquid at standard ambient temperature and pressure though it can be a solid (ice)in low temperatures or evaporate into water vapor a higher temperatures.

Industry: Natural environment

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Water

stream power

Natural environment; Water

a measure of energy available to move sediment, or any other particle in a stream channel. It is affected by discharge and slope.

anion

Natural environment; Water

A negatively charged ion that results from the dissociation of salts, acids or alkali's in solution.

dissolved oxygen (DO)

Natural environment; Water

The amount of oxygen dissolved in water at a certain time, expressed in ppm mg/L.

indicator tests

Natural environment; Water

Tests for a specific contaminant, group of contaminants, or constituent which signals the presence of something else.

pesticide

Natural environment; Water

A substance or mixture of substances intended for preventing, destroying, repelling, or mitigating any pest. Also, any substance or mixture of substances intended to regulate plant or leaf growth. ...

stream segment

Natural environment; Water

refers to the surface waters of an approved planning area exhibiting common biological, chemical, hydrological, natural, and physical characteristics and processes. Segments will normally exhibit ...

annular space

Natural environment; Water

The space between two concentric cylindrical objects, one of which surrounds the other, such as the space between the walls of a drilled hole and a casing.