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  2. Groundwater-dependent ecosystems - Wikipedia

    en.wikipedia.org/wiki/Groundwater-dependent...

    Graphic on Groundwater Flow. Groundwater-Dependent Ecosystems (or GDEs) are ecosystems that rely upon groundwater for their continued existence. Groundwater is water that has seeped down beneath Earth's surface and has come to reside within the pore spaces in soil and fractures in rock, this process can create water tables and aquifers, which are large storehouses for groundwater.

  3. Groundwater - Wikipedia

    en.wikipedia.org/wiki/Groundwater

    Groundwater is fresh water located in the subsurface pore space of soil and rocks.It is also water that is flowing within aquifers below the water table.Sometimes it is useful to make a distinction between groundwater that is closely associated with surface water, and deep groundwater in an aquifer (called "fossil water" if it infiltrated into the ground millennia ago [8]).

  4. Freshwater biology - Wikipedia

    en.wikipedia.org/wiki/Freshwater_biology

    The rate of groundwater recharge is the time it takes for groundwater to replenish itself and extremely slow, leading to water shortages, as humans remove water from aquifers faster than the rate of recharge. [16] Due to such slow circulation of water, groundwater can remain polluted for decades, as the natural purification processes are so slow.

  5. How a water scientist hopes to save California habitats that ...

    www.aol.com/news/water-scientist-hopes-save...

    California is recognized as one of the world’s hotspots of biodiversity, with more species of plants and animals than any other state. And a significant number of the state’s species, from ...

  6. Water cycle - Wikipedia

    en.wikipedia.org/wiki/Water_cycle

    Groundwater can spend over 10,000 years beneath Earth's surface before leaving. [17] Particularly old groundwater is called fossil water . Water stored in the soil remains there very briefly, because it is spread thinly across the Earth, and is readily lost by evaporation, transpiration, stream flow, or groundwater recharge.

  7. Fresh water - Wikipedia

    en.wikipedia.org/wiki/Fresh_water

    Saline water in oceans, seas and saline groundwater make up about 97% of all the water on Earth. Only 2.5–2.75% is fresh water, including 1.75–2% frozen in glaciers, ice and snow, 0.5–0.75% as fresh groundwater. The water table is the level below which all spaces are filled with water, while the area above this level, where spaces in the ...

  8. Groundwater pumping is causing land to sink at record rate in ...

    www.aol.com/news/groundwater-pumping-causing...

    Groundwater pumping has been causing the land to sink at a record pace in California's San Joaquin Valley. New research suggests ways of addressing the problem. Groundwater pumping is causing land ...

  9. Stygofauna - Wikipedia

    en.wikipedia.org/wiki/Stygofauna

    Stygofauna are any fauna that live in groundwater systems or aquifers, such as caves, fissures and vugs. Stygofauna and troglofauna are the two types of subterranean fauna (based on life-history). Both are associated with subterranean environments – stygofauna are associated with water, and troglofauna with caves and spaces above the water ...