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

aggradation

Natural environment; Water

a progressive build up of a channel bed with sediment over several years due to a normal sequence of scour and deposition, as distinguished from the rise and fall of the channel bed during a single ...

dewater

Natural environment; Water

1. Remove or separate a portion of the water in a sludge or slurry to dry the sludge so it can be handled and disposed of. 2. Remove or drain the water from a tank or trench.

hydrostatic pressure

Natural environment; Water

pressure exerted by or existing within a liquid at rest with respect to adjacent bodies.

parts per million (ppm)

Natural environment; Water

The number of "parts" by weight of a substance per million parts of water. This unit is commonly used to represent pollutant concentrations. Large concentrations are expressed in percentages.

spillway

Natural environment; Water

Dams without floodgates are designed with an area called a spillway that allows water to flow freely over it during floods. A controlled spillway has floodgates.

aggressive water

Natural environment; Water

Water that is soft and acidic and can corrode plumbing, pipes and appliances.

dewatering

Natural environment; Water

The deliberate attempt to lower the ground-water level in or below land surface for selected purposes such as agricultural, construction, mining or other activities. For mining operation, dewatering ...