Ambient flow and transport in long-screened, sand-packed wells: insights into cross contamination and wellbore flow

The presence of long-screened wells with a surrounding sand pack can have a major effect on the redistribution of contaminants in groundwater, particularly when the wells are set in low-hydraulic conductivity aquifers. Such redistribution, or cross contamination, can occur through vertical flow and...

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Veröffentlicht in:	Environmental earth sciences 2024-10, Vol.83 (19), p.550, Article 550
Hauptverfasser:	Harte, P. T., Ely, Christopher, Teague, Nick, Fenton, Nicole, Brown, Anthony
Format:	Artikel
Sprache:	eng
Schlagworte:	Advective transport Aquifers Biogeosciences Boreholes Contaminants Contamination Dilution Drainage basins Earth and Environmental Science Earth science Earth Sciences Environmental Science and Engineering Fracture zones Geochemistry Geology Groundwater Hydraulic conductivity Hydraulics Hydrology/Water Resources Information processing Linings Mixing Mixing processes Original Article Sand Sand transport Screened wells Solvents Terrestrial Pollution Tracers Transport processes Trichloroethene Trichloroethylene Vertical advection Vertical flow Vertical mixing Water supply Water wells Weathering Well drilling
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