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Both electrical conductivity and bromide concentration <br /> breakthrough curves indicated the presence of a high horizontal <br /> permeability zone in the bottom third of the aquifer, although <br /> the concentration data were considered the more accurate and <br /> reliable. Permeability values based on tracer travel times from <br /> the injection-recovery well to the multilevel observation well <br /> varied by a factor of 4 over the aquifer thickness. Such results <br /> are reasonably consistent with permeability trends inferred <br /> during thermal energy storage experiments performed previously at <br /> the same site.--Modified journal abstract. <br /> DE: Alabama-; hydrogeology-; ground-water; surveys-; <br /> well-logging; techniques-; testing-; Southern-U.S. ; <br /> United-States; Mobile-region; water-wells; tracers-; <br /> Gulf-Coastal-Plain; North-America; design-; field-studies; <br /> aquifers-; permeability-; electrical-conductivity; <br /> hydrodynamics-; movement- <br /> DT: Analytic; Serial <br /> MC: LAT: N310000; N313000; LONG: W0874500; W0880000 <br /> CC: 21-Hydrogeology-and-hydrology <br /> SB: B; Bibliography and Index of Geology (1969-present) <br /> IS: 0043-1397 <br /> GEOREF Disc 3 <br /> 39 of 60 <br /> AN: 90-13049 <br /> TI: Performance and analysis of single-well and two-well tracer <br /> tests at the Mobile site. <br /> AU: Molz-Fred-J; Guven-Oktay; Melville-Joel-G <br /> OS: Auburn Univ. , Civ. Eng. Dep. , Auburn, AL, United-States <br /> SO: Abstracts-with-Programs-Geological-Society-of-America. 18 . <br /> (6) . p. 698 <br /> CO: GAAPBC <br /> YR: 1986 <br /> CN: Geological Society of America, 99th annual meeting, San <br /> Antonio, TX, Nov. 10-13, 1986 <br /> LA: English <br /> DE: Alabama-; hydrogeology-; ground-water; Mobile-County-Alabama; <br /> tracers-; bromide-ion; hydraulic-conductivity; aquifers-; <br /> Mobile-Alabama; Southern-U.S. ; United-States; confined-aquifers; <br /> permeability-; movement- <br /> DT: Analytic; Serial; Conference publication; Abstract <br /> MC: LAT: N304000; N304000; LONG: W0880500; W0880500 <br /> CC: 21-Hydrogeology-and-hydrology <br /> SB: B; Bibliography and Index of Geology (1969-present) <br /> IS: 0016-7592 <br /> GEOREF Disc 3 <br /> 40 of 60 <br /> AN: 89-71789 <br /> TI: A theoretical and laboratory study of the effect of wellbore <br /> mixing on the results of tracer experiments conducted in <br /> fractured rock. <br /> AU: Novakowski-Kent-S <br /> OS: Natl. Water Res. Inst. , United-States <br /> H11 HYDRO-SEARCH, inG A Tetra Tech Company <br />