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When groundwater is extracted from an aquifer, a cone of depression is created around the well.As the drafting of water continues, the cone increases in radius. Extracting too much water (overdrafting) can lead to negative impacts such as a drop of the water table, land subsidence, and loss of surface water reaching the streams.
The Center for Urban Environmental Research and Education (CUERE) is located at the University of Maryland, Baltimore County (UMBC) in Catonsville, Maryland. The center's focus is primarily on the relationship between natural and socioeconomic processes that occur in urban environments.
Mattawoman appears on Capt. John Smith's circa-1608 map as Mataughquamend, an Algonquian compound translated as “where one goes pleasantly.” [2] Today, Mattawoman Creek is listed by the Environmental Protection Agency (EPA) as impaired under Section 303(d) of the Clean Water Act for excess nutrients, sediment, and loss of living resources.
Groundwater-related subsidence is the subsidence (or the sinking) of land resulting from unsustainable groundwater extraction. It is a growing problem in the developing world as cities increase in population and water use, without adequate pumping regulation and enforcement.
This is an accepted version of this page This is the latest accepted revision, reviewed on 1 February 2025. 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 in ...
The Smithsonian Environmental Research Center (SERC) is a United States 2,650-acre (10.7 km 2) [1] environmental research and educational facility operated by the Smithsonian Institution. It is located on the Rhode and West Rivers near Edgewater in Anne Arundel County, Maryland , near the western shore of Chesapeake Bay .
Groundwater pollution (also called groundwater contamination) occurs when pollutants are released to the ground and make their way into groundwater.This type of water pollution can also occur naturally due to the presence of a minor and unwanted constituent, contaminant, or impurity in the groundwater, in which case it is more likely referred to as contamination rather than pollution.
A cone of depression is a circular area surrounding a well where groundwater levels are reduced from pumping. [1] [2] In an unconfined aquifer (water table), this is an actual depression of the water levels. In confined aquifers , the cone of depression is a reduction in the pressure head surrounding the pumped well.