ground water
ground water Water that occurs below the Earth's surface, contained in pore spaces within regolith and bedrock. It is either passing through or standing in the soil and underlying strata, and is free to move under the influence of gravity. See also VADOSE.
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Groundwater , Many of Earth's groundwater supplies are threatened, mainly by human population growth and contamination. Groundwater is freshwater that resides unde… Soil-water Zone , soil-water zone (unsaturated zone, vadose zone) The zone between the ground surface and the water-table. Water is able to pass through this zone to r… Water storage , water storage See WATER INVENTORY.
water storage See water inventory. Water , Water
Background
Water is a chemical compound needed by most plants and animals on Earth in order to sustain life. Pure water is a tasteless, odorles… Hydrologic Cycle , Water is in constant motion. Energy from the sun and the force of gravity drive the hydrologic cycle, which is the endless circulation of water betwe… Capillary Moisture , capillary moisture (capillary water) Moisture that is left in the soil, along with hygroscopic moisture and water vapour, after the gravitational wat…
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ground water