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| An aquifer is an underground layer of water-bearing permeable rock or unconsolidated materials (gravel, sand, silt, or clay) from which groundwater can be usefully extracted using a water well. |
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Artesian Formation [image] |
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| An artesian formation is formed when a permeable layer dips underground between impermeable layers. Its usually made of shale or clay. |
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Evapotranspiration [image] |
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| Evapotranspiration (ET) is a term used to describe the sum of evaporation and plant transpiration from the earth's land surface to atmosphere |
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| A geyser is a hot spring characterized by intermittent discharge of water ejected turbulently and accompanied by a vapour phase (steam). |
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A hydrosphere in physical geography describes the combined mass of water found on, under, and over the surface of a planet. |
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| Not easily penetrated. The property of a material or soil that does not allow, or allows only with great difficulty, the movement or passage of water |
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| The rate at which liquids pass through soil or other materials in a specified direction. |
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| Porosity is a measure of the void spaces in a material, and is measured as a fraction, between 0–1, or as a percentage between 0–100%. |
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Recharge/discharge interface of a secondary hydrothermal circulation in the Suiyo Seamount of the Izu-Bonin arc, identified by submersible-operated heat flow measurements |
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| surplus, a development stimulus according to cultural anthropology |
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the amount by which a sum of money is less than the required amount; specif., an excess of liabilities over assets, of losses over profits, or of expenditure over income |
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| A bearing which represents the ancient water budget, or bucket, consisting of two leather vessels connected by a stick or yoke and carried over the shoulder. They were used by soldiers for carrying water on long marches, and were also utilized by water carriers to convey water from the conduits to the houses of the citizens. |
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| The Earth's water is always in movement, and the water cycle, also known as the hydrologic cycle, describes the continuous movement of water on, above, and below the surface of the Earth |
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Water Table The water table is the level at which the ground water pressure is equal to atmospheric pressure |
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Definition
| The water table is the level at which the ground water pressure is equal to atmospheric pressure |
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