groundwater

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groundwater

Water below the earth's surface, saturating soil and rock at the level of the water table and below. It supplies approximately 35 percent of the drinking water in the country and, as such, is a source of much concern for the Environmental Protection Agency. If one purchases a property with contaminants, and those contaminants have leached into the groundwater, then remediation will usually be required before development can proceed.

References in periodicals archive ?
These include testing a method for producing oxygen from the Martian atmosphere, identifying other resources (such as subsurface water), improving landing techniques, and characterising weather, dust, and other potential environmental conditions that could affect future astronauts living and working on Mars.
The initial experiments undertaken by astronauts Karthik Kumar and Inigo Munoz included one called Water Explorer which aims to find subsurface water using seismic waves created by striking the surface with a hammer.
Temperature-depth profiles may be disturbed by both surface warming events and subsurface water flow [1, 2].
Water masses in the Humboldt Current System: properties, distribution, and the nitrate deficit as a chemical water mass tracer for Equatorial Subsurface Water off Chile.
The hills and shallow basement may act as a barrier to subsurface water movement.
The subsurface water accumulated under the pool, exerting hydrostatic pressure on the empty pool and lifting it out of the ground.
Meanwhile, the subsurface water distribution is affected by deposits of paleo-rivers--an exchange of vastly different timescales.
This has reached a critical state in some areas, with even the construction works of simple residential units being affected by subsurface water flow, and ageing infrastructure also leaking and polluting the local waters.
However, rises in the water table due to large-scale development and leaks from older infrastructure, alongside sea water intrusion have affected much of Doha, reaching a critical state in some areas, with even the construction works of simple residential units being affected by subsurface water flow.
This doctoral thesis studies the surface and subsurface water runoff flow systems of a poorly gauged coastal catchment in southwestern Nicaragua under variable humid tropical hydro-climatic conditions.
Ganymede joins a growing list of moons in the outer solar system with subsurface water. On Wednesday, scientists reported that Saturn's moon Enceladus has hot springs beneath its icy crust.
For this purpose subsurface water samples (0.3m depth) were collected randomly from the experimental ponds with the help of plastic sample bottles.