By Martin N. Sara, Lorne G. Everett, Symposium on Evaluation and Remediation of Low Permeability and Dual p
This distinctive booklet presents a world viewpoint on essentially the most advanced concerns in hydrology: box and laboratory size of low permeability and twin porosity fabrics. 11 peer-reviewed papers, written by way of a global team of specialists, specialise in the advance of innovations to guage hydraulic conductivity and remediation of excellent grained and twin porosity geologic fabrics. themes handle: try systems; Laboratory and box reviews; and coffee Permeability Environments and Remediation concerns.
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Additional info for Evaluation and Remediation of Low Permeability and Dual Porosity Environments
12, Ottawa, pp. 292-303. , 1989, "The Bouwer and Rice Slug Test-an Update," Groundwater, Vol. 27, No. 3, pp. 304-309. Bouwer, H. , 1976, "A Slug Test for Determining Hydraulic Conductivity of Unconfined Aquifers with Completely or Partially Penetrating Wells," Water Resources Research, Vol. 12, No. 3, pp. 423-428. , 1990, "Hydraulic Conductivity Determinations in Unlithified Glacial and Fluvial Materials," Groundwater and Vadose Zone Monitoring, STP 1053, American Society for Testing and Materials, West Conshohocken, PA,, D.
The tensiometer at this depth has indicated several water level increases and declines in response to annual infiltration events. The water level rose 38 cm and 32 cm in response to infiltration (January 1997 and January 1998, respectively). 03 x 32 cm). 8 to 5% of the estimates of the volume of water that accumulated at the surficial sediment basalt contact.
4 m bls. The locations of the instruments, backfill, and more detailed lithology of the instrumented depths for borehole 76-5 is presented in Figure 2. The geology is obtained from the geologic core description, television (TV), and geophysical logs. The borehole annular space was back-filled using the method described by Cassel and Klute (1986). 3 to 1 meter layer o f dry silt loam (-400 cm water potential from surficial sediments) was placed adjacent to the porous cups on the tensiometers to hydraulically connect the porous cup to the fractured basalt.