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RECORD NUMBER: 1 OF 120

Main Title A new approach and methodologies for characterizing the hydrogeologic properties of aquifers /
Author Molz, Fred J.,
Other Authors
Author Title of a Work
Gèuven, Oktay.
Melville, Joel G.
Javandel, Iraj.
Paillet, F. L.
Hess, A. E.
G uven, Oktay.
CORP Author Auburn Univ., AL. Dept. of Civil Engineering.;Robert S. Kerr Environmental Research Lab., Ada, OK.
Publisher Robert S. Kerr Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency,
Year Published 1990
Report Number EPA/600/2-90-002; EPA-R-813647
Stock Number PB90-187063
OCLC Number 21271349
Subjects Aquifers ; Hydrogeology ; Soil permeability
Additional Subjects Aquifers ; Hydrogeology ; Water pollution ; Waste disposal ; Ground water ; Mathematical models ; Site surveys ; Hydraulic gradients ; Observation wells ; Porosity ; Hydraulic conductivity ; Head losses ; Environmental transport ; Superfund program ; Three-dimensional calculations
Internet Access
Description Access URL
https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=20007M36.PDF
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
EHAM  GB1199.M65 1990 Region 1 Library/Boston,MA 04/29/2016
EJBD  EPA 600/2-90-002 Headquarters Library/Washington,DC 07/09/2013
EKCD  EPA/600/2-90/002 CEMM/GEMMD Library/Gulf Breeze,FL 05/29/2018
ELBD ARCHIVE EPA 600-2-90-002 Received from HQ AWBERC Library/Cincinnati,OH 10/04/2023
ELBD  EPA 600-2-90-002 AWBERC Library/Cincinnati,OH 12/18/1998
EMBD  EPA/600/2-90/002 NRMRL/GWERD Library/Ada,OK 11/16/1991
ERAD  EPA 600/2-90-002 Region 9 Library/San Francisco,CA 05/04/1990
ESAD  EPA 600-2-90-002 Region 10 Library/Seattle,WA 03/23/2010
NTIS  PB90-187063 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation xxx, 205 pages : illustrations ; 28 cm
Abstract
In the authors' opinion, the ability of hydrologists to perform field measurements of aquifer hydraulic properties must be enhanced if they are to improve significantly the capacity to solve ground water contamination problems at Superfund and other sites. Therefore, the primary purpose of the report is to provide motivation and new methodology for measuring K(z), the distribution of horizontal hydraulic conductivity in the vertical direction in the vicinity of a test well. Measurements in nearby wells can then be used to build up three-dimensional distributions. For completeness, and to enhance the usefulness of the report as a field manual, existing methodology for the measurement of effective porosity, vertical hydraulic conductivity, storativity and hydraulic head, are presented also. It is argued that dispersion-dominated models, particularly two-dimensional, vertically-averaged (areal) models, have been pushed about as far as they can go, and that two-dimensional vertical profile or fully three-dimensional advection-dominated transport models are necessary if they are to increase significantly the ability to understand and predict contaminant transport, reaction, and degradation in the field. Such models require the measurement of hydraulic conductivity distributions, K(z), rather than vertically averaged values in the form of transmissivities.
Notes
Shipping list no.: 90-146-P. "January 1990"--Cover. Includes bibliographical references (pages 157-172). "EPA/600/2-90/002"--Cover. "CR-813647."