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drawdown level

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См. также в других словарях:

  • drawdown — [drô′doun΄] n. 1. a lowering of the water level of a well, reservoir, etc., as in supplying industry with water 2. a reduction or depletion …   English World dictionary

  • Drawdown (hydrology) — In water related science and engineering there are two similar but distinct definitions in use for drawdown. In subsurface hydrogeology, drawdown is the change in hydraulic head observed at a well in an aquifer, typically due to pumping a well as …   Wikipedia

  • drawdown — /draw down /, n. 1. a lowering of water surface level, as in a well. 2. a reduction or depletion: a drawdown of weapons in an arms limitation plan. [1780 90, for literal sense; DRAW + DOWN1] * * * …   Universalium

  • drawdown — I. ˈ ̷ ̷ˌ ̷ ̷ noun ( s) Etymology: draw down 1. : the distance by which the fluid surface level (as in a well or reservoir) is lowered (as by pumping or gate opening) 2. : the curving downward of the water surface near the edge of a weir n …   Useful english dictionary

  • drawdown — noun Date: 1918 1. a lowering of a water level (as in a reservoir) 2. a. the process of depleting b. reduction …   New Collegiate Dictionary

  • drawdown —   the change in the level of the upper water surface in a well or reservoir which is due to the withdrawal of water …   Geography glossary

  • Drawdown —   The lowering of the water level of a reservoir as a result of withdrawing water.   U.S. Dept. of Energy, Energy Information Administration s Energy Glossary …   Energy terms

  • drawdown — draw•down [[t]ˈdrɔˌdaʊn[/t]] n. 1) cvb a lowering of water surface level, as in a well 2) cvb bus a reduction or depletion • Etymology: 1915–20 …   From formal English to slang

  • residual drawdown —    The rise in water level in a well in response to cessation of pumping …   Lexicon of Cave and Karst Terminology

  • Well test — This article discusses water well testing; the testing of other wells, eg. petroleum wells, is a separate field.A well test is conducted to evaluate the amount of water that can be pumped from a particular water well. More specifically, a well… …   Wikipedia

  • Agriculture and Food Supplies — ▪ 2007 Introduction Bird flu reached Europe and Africa, and concerns over BSE continued to disrupt trade in beef. An international vault for seeds was under construction on an Arctic island. Stocks of important food fish species were reported… …   Universalium

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