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2. Water table - Wikipedia

   en.wikipedia.org/wiki/Water_table

   The water table is the upper surface of the zone of saturation. The zone of saturation is where the pores and fractures of the ground are saturated with groundwater, [1] which may be fresh, saline, or brackish, depending on the locality. It can also be simply explained as the depth below which the ground is saturated.

3. Spring (hydrology) - Wikipedia

   en.wikipedia.org/wiki/Spring_(hydrology)

   Springs are formed when groundwater flows onto the surface. This typically happens when the water table reaches above the surface level, or if the terrain depresses sharply. Springs may also be formed as a result of karst topography, aquifers or volcanic activity. Springs have also been observed on the ocean floor, spewing warmer, low- salinity ...

4. Aquifer - Wikipedia

   en.wikipedia.org/wiki/Aquifer

   An aquifer is an underground layer of water -bearing material, consisting of permeable or fractured rock, or of unconsolidated materials (gravel, sand, or silt). Aquifers vary greatly in their characteristics. The study of water flow in aquifers and the characterization of aquifers is called hydrogeology. Related terms include aquitard, which ...

5. Properties of water - Wikipedia

   en.wikipedia.org/wiki/Properties_of_water

   Water is the chemical substance with chemical formula H 2 O; one molecule of water has two hydrogen atoms covalently bonded to a single oxygen atom. [25] Water is a tasteless, odorless liquid at ambient temperature and pressure. Liquid water has weak absorption bands at wavelengths of around 750 nm which cause it to appear to have a blue color. [3]

6. Groundwater - Wikipedia

   en.wikipedia.org/wiki/Groundwater

   This is an accepted version of this page This is the latest accepted revision, reviewed on 27 September 2024. Water located beneath the ground surface An illustration showing groundwater in aquifers (in blue) (1, 5 and 6) below the water table (4), and three different wells (7, 8 and 9) dug to reach it. Groundwater is the water present beneath Earth's surface in rock and soil pore spaces and ...

7. Water table (architecture) - Wikipedia

   en.wikipedia.org/wiki/Water_table_(architecture)

   Water table (architecture) A water table is a projection of lower masonry on the outside of a wall, slightly above the ground, or at the top of a wainscot section of a wall (in this case also known as a sill). It is both a functional and architectural feature that consists of a projection that deflects water running down the face of a building ...