| Main Title |
Macrodispersion and spatial variability of hydraulic conductivity in a sand and gravel aquifer, Cape Cod, Massachusetts / |
| Author |
Hess, K. M. ;
Wolf, S. H. ;
Cella, M. A. ;
Garabedian, S. P.
|
| Other Authors |
|
| CORP Author |
Geological Survey, Marlborough, MA. ;Massachusetts Inst. of Tech., Cambridge. Dept. of Civil Engineering.;Robert S. Kerr Environmental Research Lab., Ada, OK. |
| Publisher |
U.S. Environmental Protection Agency, Robert S. Kerr Environmental Research Laboratory, |
| Year Published |
1991 |
| Report Number |
EPA/600-M-91-005 |
| Stock Number |
PB91-242370 |
| OCLC Number |
23674232 |
| Subjects |
Hydrogeology--Massachusetts--Cape Cod ;
Aquifers--Massachusetts--Cape Cod ;
Soil permeability--Massachusetts--Cape Cod
|
| Additional Subjects |
Research and development ;
Aquifers ;
Tracer studies ;
Environmental transport ;
Hydraulic conductivity ;
Water pollution ;
Spatial distribution ;
Path of pollutants ;
Stochastic processes ;
Statistical analysis ;
Sand aquifers ;
Gravels ;
Ground water ;
Bromides ;
Cape Cod(Massachusetts) ;
Macrodispersion
|
| Internet Access |
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| EHAM |
EPA/600/M-91/005 |
|
Region 1 Library/Boston,MA |
05/25/2016 |
| EJBD |
EPA 600-M-91-005 |
|
Headquarters Library/Washington,DC |
04/08/2013 |
| ELBD ARCHIVE |
EPA 600-M-91-005 |
In Binder Received from HQ |
AWBERC Library/Cincinnati,OH |
10/04/2023 |
| ELBD RPS |
EPA 600-M-91-005 |
repository copy |
AWBERC Library/Cincinnati,OH |
10/17/2014 |
| EMBD |
EPA/600/M-91/005 |
|
NRMRL/GWERD Library/Ada,OK |
06/04/2004 |
| NTIS |
PB91-242370 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
9 pages : illustrations, maps ; 28 cm. |
| Abstract |
A natural-gradient tracer test was conducted in which the transport of bromide, a nonreactive tracer, was monitored in a sand and gravel aqifer for two years. From analyses of spatial moments of the distribution of bromide at 16 times during the test, a dispersivity tensor was calculated for the field transport experiment. As a complementary effort, detailed investigations of the variability of K in the aquifer were made at the tracer-test site, and the stochastic transport equations developed by Gelhar and Axness (1983) were used in conjunction with the statistical analysis of the K data to estimate macrodispersion for the aquifer. Estimates of macrodispersivity based on the statistical analysis of the K distribution agreed well with the macrodispersivity calculated from the tracer test. Two methods of measuring K were also evaluated: permeameter analyses of cores and flowmeter tests in wells. Geostatistical analyses of these data yielded estimates of the mean, variance, and correlations scales for the K distribution in the aquifer. |
| Notes |
Caption title. At head of title: Environmental research brief. Shipping list no.: 91-228-P. "Jan. 1991." Includes bibliographical references (pages 8-9). "EPA/600-M-91-005." |
