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groundwater |
Also found in: Wikipedia, Hutchinson | 0.04 sec. |
groundwateror subsurface waterWater that occurs below the surface of the Earth, where it occupies spaces in soils or geologic strata. Most groundwater comes from precipitation, which gradually percolates into the Earth. Typically, 10–20% of precipitation eventually enters aquifers. Most groundwater is free of pathogenic organisms, and purification for domestic or industrial use is not necessary. Furthermore, groundwater supplies are not seriously affected by short droughts and are available in many areas that do not have dependable surface water supplies. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Porewater Toxicity Testing: Biological, Chemical, and Ecological Considerations A 41-year-old male soil scientist sampled submerged sediments and porewater for dinoflagellate DNA and pollutants on 19-20 July 1999 in the Chesapeake Bay, Pocomoke River, and Bulbeggar Creek in Virginia, where a 4-day fish kill attributed to TPC activity began on 24 July 1999, and in surrounding areas (Table 1). |
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