Hydraulic gradient control for groundwater contaminant removal
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Abstract
The Rocky Mountain Arsenal near Denver, Colorado, U.S.A., is used as a realistic setting for a hypothetical test of a procedure that plans the hydraulic stabilization and removal of a groundwater contaminant plume. A two-stage planning procedure successfully selects the best wells and their optimal pumping/recharge schedules to contain the plume while a well or system of wells within the plume removes the contaminated water. In stage I, a combined groundwater flow and solute transport model is used to simulate contaminant removal under an assumed velocity field. The result is the approximated plume boundary location as a function of time. In stage II, a linear program, which includes a groundwater flow model as part of the set of constraints, determines the optimal well selection and their optimal pumping/recharge schedules by minimizing total pumping and recharge. The simulation—management model eliminates wells far from the plume perimeter and activates wells near the perimeter as the plume decreases in size. This successfully stablizes the hydraulic gradient during aquifer cleanup.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Hydraulic gradient control for groundwater contaminant removal |
| Series title | Journal of Hydrology |
| DOI | 10.1016/0022-1694(85)90091-5 |
| Volume | 76 |
| Issue | 1-2 |
| Year Published | 1985 |
| Language | English |
| Publisher | Elsevier |
| Description | 22 p. |
| First page | 85 |
| Last page | 106 |
| Country | United States |
| State | Colorado |
| City | Denver |
| Other Geospatial | Rocky Mountain Arsenal |