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Technical Reports Parts C,D - ICPDR

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Glossary<br />

on Water Environmental Engineering<br />

watershed basin<br />

water reach<br />

drainage water<br />

wastewater<br />

waters<br />

ground waters<br />

surface waters<br />

water body<br />

water resources<br />

water availability<br />

water balance<br />

water intake<br />

reservoir<br />

water use<br />

water reservoir<br />

contamination of waters<br />

polluting substance<br />

part of earth surface and soils, from which water drains into water<br />

stream or water reservoir;<br />

section of the river, located upstream or downstream water<br />

hydraulic facility (dam);<br />

water that is disposed of by a drainage system after being filtered<br />

out from particular territory, in order to lower level of ground<br />

water;<br />

water, resulting from domestic and industrial activities (except<br />

mine, quarry and drainage waters), as well as water formed on an<br />

urban territory owing to falling out of atmospheric precipitation;<br />

all waters (surface, ground, sea ones) inherently present in natural<br />

water circulation;<br />

waters located below earth surface level within mountain rocks of<br />

high part of earth crust, in all physical states;<br />

waters in different water bodies located on the earth surface;<br />

natural or artificially created peace of landscape or geological<br />

structure, where the waters concentrate (a river, a lake, a sea, a<br />

reservoir, a channel, an aquifer horizon);<br />

volumes of surface, ground, and sea waters of the appropriate<br />

territory;<br />

a characteristic of river run-off per definite period of time in<br />

comparison to its mean annual value;<br />

relationship between water resources available for use within a<br />

given territory and actual water needs for economic development,<br />

at different levels;<br />

a construction or an appliance for extraction of water from water<br />

body;<br />

a surface water body with slow run-off or without it;<br />

usage of waters (water bodies) for satisfaction of residential and<br />

industrial needs;<br />

an artificial reservoir with volume of more than 1 million cubic<br />

meters, constructed for storage of water and run-off control;<br />

unfavorable changes of water composition and properties of the<br />

water body as a result of entering polluting substances;<br />

a substance that causes worsening of water quality;<br />

cxxi

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