groundwater conductivity Articles

  • Conducting The Phase I Assessment - Records Review

     This is the second in a series of five articles relating to conducting Phase I Environmental Site assessments. Each article attempts to give the reader a thorough understanding of a specific aspect of the Phase I process and Clayton’s commitment to meeting or exceeding the requirements of ASTM Standard E 1527 Standard Practice for Environmental Site Assessments: Phase I Environmental Site ...


  • The heterogeneity of 3-D vertical hydraulic conductivity in a streambed

    The heterogeneity of vertical hydraulic conductivity (Kv) is a key attribute of streambed for researchers investigating surface water–groundwater interaction. However, few three-dimensional (3-D) Kv models with high spatial resolutions have been achieved. In this study, in-situ permeameter tests were conducted to obtain ...


    By IWA Publishing

  • Ability of Beijerinckia indica to degrade phenanthrene and reduce hydraulic conductivity

    This study evaluates the ability of Beijerinckia indica (B. indica) as a biomaterial for aerobic biofilm barriers. B. indica's ability to remove phenanthrene was measured using a two-phase partitioning bioreactor. Approximately 500 mg/L of phenanthrene was gradually removed over a two week period under aerobic conditions of the bioreactor. B. ...


    By IWA Publishing

  • An approximate solution for two-dimensional groundwater infiltration in sewer systems

    Estimating groundwater infiltration into sewer systems is important for wastewater treatment operators and municipalities. This paper presents an approximate solution for steady-state groundwater infiltration into sewer systems through line defects. The groundwater table was assumed to be horizontal and the aquifer homogeneous and isotropic. Mobius transformation technique and equivalent ...


    By IWA Publishing

  • Subsurface characterization using a D-optimality based pilot point method

    Detailed hydraulic conductivity estimation is a difficult problem as the number of direct measurements available at a typical field site is relatively few and sparse. A common approach to estimate hydraulic conductivity is to combine direct hydraulic conductivity measurements with secondary measurements such as hydraulic head and tracer concentrations in an inverse modeling approach. Even with ...


    By IWA Publishing

  • Variability of Flow and Solutes in the Rattaphum Catchment (Songkhla Lake Basin), Thailand

    Pesticides can have a number of adverse impacts on crops, soil and water. In this paper, we focus on the physical and hydraulic properties of soils controlling the leaching of pesticides into the shallow groundwater of the Rattaphum Catchment in Thailand. Results from an analysis of soil physical properties, hydraulic conductivity, dye tracer and bromide tests show that the top 10–30 cm of soils ...


    By Springer

  • Variability of Flow and Solutes in the Rattaphum Catchment (Songkhla Lake Basin), Thailand

    Pesticides can have a number of adverse impacts on crops, soil and water. In this paper, we focus on the physical and hydraulic properties of soils controlling the leaching of pesticides into the shallow groundwater of the Rattaphum Catchment in Thailand. Results from an analysis of soil physical properties, hydraulic conductivity, dye tracer and bromide tests show that the top 10–30 cm of soils ...


    By Springer

  • In situ Remediation of 1,4-Dioxane using Electrical Resistance Heating

    An increasing number of states are establishing enforceable 1,4-dioxane cleanup goals due to recent improvements in analytical detection methods and existing carcinogenic risk information for 1,4-dioxane. Historically, 1,4-dioxane was used as a stabilizer for chlorinated solvents, primarily 1,1,1-trichloroethane. In addition, 1,4-dioxane has been used in a broad range of products including but ...


    By TRS Group, Inc.

  • Zweckverband Wasserwerk Wacken - Case Study

    Client Zweckverband Wasserwerk Wacken Country Germany Background and aim project In 2008 the North German water works company Cooperating Water Works Wacken (Zweckverband Wasserwerk Wacken) was looking for a monitoring well measuring system. In a measuring field comprising 23 monitoring wells this system had to measure the ...


    By Eijkelkamp Soil & Water

  • LNAPL remediation using electrical resistance heating

    Abstract An Electrical Resistance Heating (ERH) pilot test was conducted in the fall of 1998 to determine the effectiveness of using ERH in combination with soil vapor extraction (SVE) for the remediation of benzene and light nonaqueous-phase liquids (LNAPL) at an island location on a river in the Midwest. Hydrocarbon-stained soils were discovered on an island in Ohio in May 1993 during the ...


    By TRS Group, Inc.

  • Park City, Utah Arsenic removal from ground water

    Background Park City Utah Water, which serves a population of 6,500, has five water sources. Spiro Tunnel and Spiro Portal are two that were in need of Iron and Manganese removal as well as above limits for Arsenic. Filtronics was engaged by the engineering firm of Eckhoff, Watson and Preator (EWP), Salt Lake City, to perform pilot tests for the Park City Municipal Corporation. The ...


    By Filtronics, Incorporated

  • Using Electromagnetic induction to characterize soils - Case Study

    Electrical conductivity measurements have been used for years to determine salinity and moisture in soils. Probes were inserted directly into the soil to determine how well the soil conducted an applied current. This process was slow and labor-intensive and was usually reserved for scientific studies. A more recent technique for measuring conductivity is electromagnetic induction (EM), a ...


    By Geonics Limited

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