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  2. Surface water - Wikipedia

    en.wikipedia.org/wiki/Surface_water

    Human-made surface water is water that can be continued by infrastructures that humans have assembled. This would be dammed artificial lakes, canals and artificial ponds (e.g. garden ponds) or swamps. [ 3] The surface water held by dams can be used for renewable energy in the form of hydropower. Hydropower is the forcing of surface water ...

  3. Water cycle - Wikipedia

    en.wikipedia.org/wiki/Water_cycle

    The water cycle (or hydrologic cycle or hydrological cycle ), is a biogeochemical cycle that involves the continuous movement of water on, above and below the surface of the Earth. The mass of water on Earth remains fairly constant over time. However, the partitioning of the water into the major reservoirs of ice, fresh water, salt water and ...

  4. Drawdown (hydrology) - Wikipedia

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

    In either case, drawdown is the change in hydraulic head or water level relative to the initial spatial and temporal conditions of the system. Drawdown is often represented in cross-sectional diagrams of aquifers. A record of hydraulic head, or rate of flow ( discharge ), versus time is more generally called a hydrograph (in both groundwater ...

  5. Seep (hydrology) - Wikipedia

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

    Environmental technology. Seep is often used in environmental sciences to define an exfiltration zone (seepage zone) where contaminated water, e.g., from waste dumps, leaves a waste system area. Seeps are often important smaller wildlife water sources, and indicated by lower riparian vegetation.

  6. Stratification (water) - Wikipedia

    en.wikipedia.org/wiki/Stratification_(water)

    Stratification in water is the formation in a body of water of relatively distinct and stable layers by density. It occurs in all water bodies where there is stable density variation with depth. Stratification is a barrier to the vertical mixing of water, which affects the exchange of heat, carbon, oxygen and nutrients. [ 1]

  7. Drainage basin - Wikipedia

    en.wikipedia.org/wiki/Drainage_basin

    A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, the drainage divide, [ 1] made up of a succession of elevated features, such as ridges and hills.

  8. Infiltration (hydrology) - Wikipedia

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

    Infiltration (hydrology) Cross-section of a hillslope depicting the vadose zone, capillary fringe, water table, and phreatic or saturated zone. (Source: United States Geological Survey .) Infiltration is the process by which water on the ground surface enters the soil. It is commonly used in both hydrology and soil sciences.

  9. Spring (hydrology) - Wikipedia

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

    A spring is a natural exit point at which groundwater emerges from the aquifer and flows onto the top of the Earth's crust ( pedosphere) to become surface water. It is a component of the hydrosphere, as well as a part of the water cycle. Springs have long been important for humans as a source of fresh water, especially in arid regions which ...