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  • Artikel  (3)
  • Blackwell Publishing Ltd  (3)
  • American Association for the Advancement of Science (AAAS)
  • Institute of Physics
  • 2005-2009
  • 1975-1979  (3)
  • 1975  (3)
  • Energietechnik  (3)
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  • Artikel  (3)
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  • 2005-2009
  • 1975-1979  (3)
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  • 1
    Digitale Medien
    Digitale Medien
    Upconing of the Salt-Water–Fresh-Water Interface Beneath a Pumping Well (1975)
    Oxford, UK : Blackwell Publishing Ltd
    Ground water 13 (1975), S. 0 
    Details
    ISSN: 1745-6584
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik , Geologie und Paläontologie
    Notizen: The upconing of saline water in response to pumping from an overlying layer of fresh water is investigated by numerical integration of the governing differential equation. The transition zone between the fresh and saline water is idealized as an abrupt interface. Full consideration of the nonlinear boundary conditions on the water table and interface surfaces is included for steady flow toward partially penetrating pumping wells in both isotropic and anisotropic aquifers. There exists an optimum well penetration into the fresh-water layer which permits maximum discharge without salt-water entrainment. The optimum penetration increases as the vertical permeability is reduced relative to the horizontal permeability. The maximum well discharge obtainable without salt-water entrainment is greater for aquifers with a reduced vertical permeability than for isotropic aquifers, a result that contrasts with previously published conclusions. Previous analyses which linearize the boundary condition on the interface overestimate the critical discharge.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1745-6584.1975.tb03599.x
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    A PNEUMATIC SYSTEM TO PUMP WATER FROM PIEZOMETERS (1975)
    Oxford, UK : Blackwell Publishing Ltd
    Ground water 13 (1975), S. 0 
    Details
    ISSN: 1745-6584
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik , Geologie und Paläontologie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1745-6584.1975.tb03088.x
    Standort Signatur Erwartet Verfügbarkeit
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    Artikel (Nationallizenzen)
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  • 3
    Digitale Medien
    Digitale Medien
    Ground-Water Quality Beneath Solid-Waste Disposal Sites at Anchorage, Alaska (1975)
    Oxford, UK : Blackwell Publishing Ltd
    Ground water 13 (1975), S. 0 
    Details
    ISSN: 1745-6584
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Energietechnik , Geologie und Paläontologie
    Notizen: Studies at three solid-waste disposal sites in the Anchorage area suggest that differences in local geohydrologic conditions influence ground-water quality. A leachate was detected in ground water within and beneath two sites where the water table is very near land surface and refuse is deposited either at or below the water table in some parts of the filled areas. No leachate was detected in ground water beneath a third site where waste disposal is well above the local water table.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1745-6584.1975.tb03075.x
    Standort Signatur Erwartet Verfügbarkeit
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    Artikel (Nationallizenzen)
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