6 Terms
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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
Instream flow
Natural environment; Water
The amount of flow required to sustain stream values, including fish, wildlife, and recreation.
Point velocity
Natural environment; Water
Velocity measured at a single point in the water column of flowing water. Compare mean column velocity.
Instream use
Natural environment; Water
Use of water that does not require withdrawal or diversion from its natural watercourse; for example, the use of water for navigation, recreation, and support of fish and wildlife.
Point-source pollution
Natural environment; Water
Water pollution coming from a single point, such as a sewage-outflow pipe.
Sustained overdraft
Natural environment; Water
Long term withdrawal from the aquifer of more water than is being recharged.
Aromatics
Natural environment; Water
A type of hydrocarbon that contains a ring structure, such as benzene and toluene. They can be found for instance in gasoline.
