Pollution and water treatment flashcards |

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  • Groundwater discharge

    Used to describe the movement of groundwater

    Water withdrawal

    Defined as fresh water taken from ground or surface water sources

    Water table

    The level below which the ground is saturated with water

    Subsidence

    Motion of a surface as it shifts downward relative to a down such as sea-level

    Residence time

    the average length of time during which a substance, a portion of material, or an object is in a given location or condition, such as adsorption or suspension.

    Thermal pollution

    ... the degradation of water quality by any process that changes ambient water temperature.

    Watershed

    an area or ridge of land that separates wa ters flowing to different rivers, basins, or seas.

    Greywater

    Clean waste water from baths,sinks,washing

    Reservoir

    a large natural or artificial lake used as a source of water supply.

    Consumptive water use

    water removed from available supplies without return to a water resource system (e.g., water used in manufacturing, agriculture, and food preparation that is not returned to a stream, river, or water treatment plant).

    Desalination

    Any process that removed the excess salt and other minerals from water in order to obtain fresh water suitable for animals consumption or irrigation

    Effluent

    liquid waste or sewage discharged into a river or the sea

    Non-consumptive water use

    When there is no diversion from the waterfront diminishment of the source

    Groundwater recharge

    A hydro

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