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

validation

Natural environment; Water

comparison of computer model results with a set of data that were not used for calibration.

cation

Natural environment; Water

A negatively charged ion, resulting from dissociation of molecules in solution.

flood damage

Natural environment; Water

The economic loss caused by floods, including damage by inundation, erosion, and/or sediment deposition. Damages also include emergency costs and business or financial losses. Evaluation may be based ...

mean column velocity

Natural environment; Water

the average velocity of fluid flow measured in a column extending from the surface of the water to the bed of the channel. Often referred to simply as "velocity" or "current velocity". Compare point ...

recyclable

Natural environment; Water

Refers to such products as paper, glass, plastic, used oil, and metals that can be reprocessed instead of being disposed of as waste.

vapor

Natural environment; Water

The gaseous phase of substances that are liquid or solid at atmospheric temperature and pressure, e.g., steam.

cavern

Natural environment; Water

A large underground opening in rock (usually limestone) which occurred when some of the rock was dissolved by water. In some igneous rocks, caverns can be formed by large gas bubbles