specific drawdown

specific drawdown
удельное понижение уровня (напр. в колодце)

Большой англо-русский и русско-английский словарь. 2001.

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Смотреть что такое "specific drawdown" в других словарях:

  • specific drawdown —    The amount of drawdown per unit discharge in a well [16] …   Lexicon of Cave and Karst Terminology

  • Drawdown — The peak to trough decline during a specific record period of an investment, fund or commodity. A drawdown is usually quoted as the percentage between the peak and the trough. A drawdown is measured from the time a retrenchment begins to when a… …   Investment dictionary

  • specific capacity —    The rate of discharge of water from a well per unit of drawdown. It is commonly expressed as gpm/ft or m3/day/m and varies with pumping test duration [6] …   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

  • Aquifer test — An aquifer test (or a pumping test) is conducted to evaluate an aquifer by stimulating the aquifer through constant pumping, and observing the aquifer s response (drawdown) in observation wells. Aquifer testing is a common tool that… …   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

  • Silurian Period — Interval of geologic time, 443–417 million years ago. The third period of the Paleozoic Era, the Silurian follows the Ordovician Period and precedes the Devonian. It marks the first appearance of land plants and jawed fishes. The continents were… …   Universalium

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  • Hydrogeology — ( hydro meaning water, and geology meaning the study of the Earth) is the area of geology that deals with the distribution and movement of groundwater in the soil and rocks of the Earth s crust, (commonly in aquifers). The term geohydrology is… …   Wikipedia


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