Identification of groundwater parameters at Columbus, Mississippi, using a 3D inverse flow and transport model
IAHS-AISH Publication
By: H.C. Barlebo, D. Rosbjerg, and M. C. Hill
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Abstract
An extensive amount of data including hydraulic heads, hydraulic conductivities and concentrations of several solutes from controlled injections have been collected during the MADE 1 and MADE 2 experiments at a heterogeneous site near Columbus, Mississippi. In this paper the use of three-dimensional inverse groundwater models including simultaneous estimation of flow and transport parameters is proposed to help identify the dominant characteristics at the site. Simulations show that using a hydraulic conductivity distribution obtained from 2187 borehole flowmeter tests directly in the model produces poor matches to the measured hydraulic heads and tritium concentrations. Alternatively, time averaged hydraulic head maps are used to define zones of constant hydraulic conductivity to be estimated. Preliminary simulations suggest that in the case of conservative transport many, but not all, of the major plume characteristics can be explained by large-scale heterogeneity in recharge and hydraulic conductivity.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Identification of groundwater parameters at Columbus, Mississippi, using a 3D inverse flow and transport model |
| Series title | IAHS-AISH Publication |
| Volume | 237 |
| Year Published | 1996 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | IAHS-AISH Publication |
| First page | 189 |
| Last page | 208 |
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