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Unit 09 24-25
Water Resources
| Term | Definition |
|---|---|
| Groundwater | water that collects underground in cracks and spaces in rock |
| Surface water | any body of water above ground, including streams, rivers, lakes, wetlands, reservoirs, and creeks |
| Watershed | a land area that channels rainfall and snowmelt to creeks, streams, and rivers and eventually to outflow points, such as reservoirs, bays, and the ocean |
| Aquifers | a body of porous rock or sediment saturated with groundwater. |
| Artificial reef | a human-created freshwater or marine benthic structure.[1] Typically built in areas with a generally featureless bottom to promote marine life, it may be intended to control erosion, protect coastal areas, etc. |
| Dependence | the state of being conditional or contingent on something, as through a natural or logical sequence |
| Irrigation | the controlled application of water for agricultural purposes through manmade systems to supply water requirements not satisfied by rainfall. |
| Ocean systems | interconnected system that has regions. Water and ocean life move between these regions, up and down the water column. Ocean water circulates around the globe through ocean currents that are either wind-driven currents or density-driven currents. |
| Oil spills | the release of a liquid petroleum hydrocarbon into the environment, especially marine areas, due to human activity |
| Overfishing | catching too many fish at once, so the breeding population becomes too depleted to recover. |
| Recharge zones | the place where water is able to seep into the ground and refill an aquifer because no confining layer is present. |
| Runoff | the part of the water cycle that flows over land as surface water instead of being absorbed into groundwater or evaporating. |
| Springs | a water resource formed when the side of a hill, a valley bottom or other excavation intersects groundwater at or below the local water table, below which the subsurface material is saturated with water. |
| Water table | describes the boundary between water-saturated ground and unsaturated ground. |
| Well | a hole drilled into the ground to access water contained in an aquifer. |
| bioaccumulation | an increase in the concentration of a chemical or substance in a organism over time |
| biomagnification | the increase in or process of increasing the concentration of a substance (usually a toxin) in living tissue at each level of the food chain. |
| nonpoint source pollution | pollution of water or air that comes from many separate and scattered sources of human activity |
| point source pollution | pollution that comes from a specific source of human activity (ex: a specific chemical from a fertilizer plant) |
| hydrologic cycle | the continuous circulation of water in the Earth-Atmosphere system |
| percolation | the process by which water moves through soil and porous or fractured rock under the force of gravity |
| consumption | the amount of water that is permanently removed from a source and is no longer available for reuse |
| water treatment plants | a facility that uses various technologies to treat raw or contaminated water to make it safe and clean for use |
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LMS 7 Sci
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