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RECORD NUMBER: 6 OF 7

Main Title Relationship of laboratory- and field-determined hydraulic conductivity in compacted clay layer /
Author Rogowski, A. S.
CORP Author Agricultural Research Service, Boise, ID. Northwest Watershed Research Center.;Environmental Protection Agency, Cincinnati, OH. Risk Reduction Engineering Lab.
Publisher Risk Reduction Engineering Laboratory, Office of Research and Development, U.S. Environmental Protection Agency,
Year Published 1990
Report Number EPA/600/2-90/025
Stock Number PB90-257775
OCLC Number 22438020
Subjects Sanitary landfills--Linings. ; Clay--United States ; Sediments (Geology)--United States ; Soil permeability--United States
Additional Subjects Clay soils ; Soil properties ; Soil tests ; Percolation ; Density ; Moisture content ; Soil water ; Experimental data ; Porosity ; Soil compacting ; US EPA
Internet Access
Description Access URL
https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=20007MBE.PDF
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
EHAM  TD795.4.R63 1990 Region 1 Library/Boston,MA 04/29/2016
EJBD ARCHIVE EPA 600-2-90-025 Headquarters Library/Washington,DC 11/23/2009
EJBD  EPA 600-2-90-025 Headquarters Library/Washington,DC 01/22/2014
EKBD  EPA/600/2-90/025 Research Triangle Park Library/RTP, NC 02/22/1991
ELBD  EPA 600-2-90-025 AWBERC Library/Cincinnati,OH 07/18/2011
EMBD  EPA/600/2-90/025 NRMRL/GWERD Library/Ada,OK 01/21/1994
ERAD  EPA 600/2-90/025 Region 9 Library/San Francisco,CA 01/24/1992
ESAD  EPA 600-2-90-025 Region 10 Library/Seattle,WA 03/23/2010
NTIS  PB90-257775 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation xx, 204 pages : illustrations ; 28 cm
Abstract An evaluation of the hydraulic conductivity of a compacted clay liner was conducted on an extensively instrumented field-scale research facility. Infiltration and seepage were measured at 250 evenly spaced points. Spatial variability of soil, water content, and density was high even though average values were close to design specifications. Inflow, outflow, and density changes were monitored during the one-year ponding time of the study. Data indicate that both water and tracer solutes moved considerably faster than expected, indicating that only a small fraction of total pore space was active. Although data from soil core samples and nuclear surface moisture-density probes adequately described spatial distribution of water and density within the compacted clay, neither water content nor density was correlated with the spatially distributed hydraulic conductivity. Both dye and tracer studies confirmed rapid transport through a network of preferential flow pathways.
Notes Includes bibliographical references (pages 171-202).
Place Published Cincinnati, Ohio
Supplementary Notes Sponsored by Environmental Protection Agency, Cincinnati, OH. Risk Reduction Engineering Lab.
Corporate Au Added Ent Risk Reduction Engineering Laboratory (U.S.)
PUB Date Free Form 1990
NTIS Prices PC A11/MF A02
BIB Level m
Medium unmediated
Content text
Carrier volume
Cataloging Source OCLC/T
Merged OCLC records 28263480
OCLC Time Stamp 20160419143640
Language eng
SUDOCS Number EP 1.23/2:600/2-90/025
Origin OCLC
Type CAT
OCLC Rec Leader 01301cam 2200349Ia 45020