phreatic surface это:

phreatic surface
свободная поверхность подземных вод

Тимашев И.Е. Геоэкологический русско-английский словарь-справочник: Справочное издание. – М.: ИД «Муравей-Гайд», 1999. Охрана окружающей среды. Терминология: Справочное пособие. – М.: Издательство стандартов, 1991. 2011.

Смотреть что такое "phreatic surface" в других словарях:

  • phreatic surface — water table (top of the zone of saturation) …   Dictionary of ichthyology

  • phreatic surface —    See water table …   Lexicon of Cave and Karst Terminology

  • Phreatic — The term phreatic is used in Earth sciences to refer to matters relating to ground water below the static water table (the word originates from the Greek phrear , phreat meaning well or spring ). The term phreatic surface is where the hydrostatic …   Wikipedia

  • Phreatic eruption — A Phreatic eruption, also called an ultravulcanian eruption, occurs when rising magma makes contact with ground or surface water. The extreme temperature of the magma (anywhere from 600 °C to 1,170 °C (1110–2140 °F)) causes near instantaneous… …   Wikipedia

  • phreatic eruption — ALASKA VOLCANO OBSERVATORY GLOSSARY An explosive volcanic eruption caused when water and heated volcanic rocks interact to produce a violent expulsion of steam and pulverized rocks. Magma is not involved. GLOSSARY OF VOLCANIC TERMS A steam… …   Glossary of volcanic terms

  • phreatic eruption — /friætɪk əˈrʌpʃən/ (say freeatik uh rupshuhn) noun a volcanic eruption, as the Mount St Helens eruption, in which rising magma makes contact with ground or surface water causing it to immediately vaporise resulting in an eruption of steam, ash,… …   Australian English dictionary

  • seepage surface —    The outflow surface between water level and the intersection of the phreatic surface in a well [16] …   Lexicon of Cave and Karst Terminology

  • Aquifer — Typical aquifer cross section An aquifer is a wet underground layer of water bearing permeable rock or unconsolidated materials (gravel, sand, or silt) from which groundwater can be usefully extracted using a water well. The study of water flow… …   Wikipedia

  • Groundwater — Shipot, a common source of drinking water in a Ukrainian village. Groundwater is water located beneath the ground surface in soil pore spaces and in the fractures of rock formations. A unit of rock or an unconsolidated deposit is called an… …   Wikipedia

  • Water table — The water table is the level at which the ground water pressure is equal to atmospheric pressure. It may be conveniently visualized as the surface of the ground water in a given vicinity. It usually coincides with the phreatic surface , but can… …   Wikipedia

  • Gley soil — in soil science is a type of hydric soil which exhibits a greenish blue grey soil color due to wetland conditions. On exposure to the air, gley colors are transformed to a mottled pattern of reddish, yellow or orange patches. During gley soil… …   Wikipedia


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