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

consumptive water use

Natural environment; Water

Water removed from available supplies without return to a water resources system, e.g. water used in manufacturing, agriculture, and food preparation.

groundwater disposal

Natural environment; Water

Wastewater that is disposed of through the ground either by injection or seepage. This includes the following discharge methods; absorption beds, injection wells, drainfields, percolation ponds, ...

nutrient cycle

Natural environment; Water

the cyclic conversions of nutrients from one form to another within biological communities. For example, the production and release of molecular oxygen from water during photosynthesis by plants and ...

xeriscape

Natural environment; Water

creative landscaping for water and energy efficiency and lower maintenance. The seven xeriscape principles are: good planning and design; practical lawn areas; efficient irrigation; soil improvement; ...

cross flow filtration

Natural environment; Water

A process that uses opposite flows across a membrane surface to minimize particle build-up.

headgate

Natural environment; Water

the gate that controls water flow into irrigation canals and ditches. A watermaster regulates the headgates during water distribution and posts headgate notices declaring official regulations.