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| Type: | Resource | |
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| Created: | Feb 08, 2023 at 7:45 p.m. | |
| Last updated: | Feb 08, 2023 at 7:46 p.m. | |
| Citation: | See how to cite this resource |
| Sharing Status: | Public |
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| Views: | 314 |
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Abstract
A regional-scale, steady-state, saturated-zone ground-water flow model was constructed to evaluate potential regional ground-water flow in the vicinity of Yucca Mountain, Nevada. The model was limited to three layers in an effort to evaluate the characteristics governing large-scale subsurface flow. Geoscientific information systems (GSIS) were used to characterize the complex surface and subsurface hydrogeologic conditions of the area, and this characterization was used to construct likely conceptual models of the flow system. Subsurface properties in this system vary dramatically, producing high contrasts and abrupt contacts. This characteristic, combined with the large scale of the model, make zonation the logical choice for representing the hydraulic-conductivity distribution. Different conceptual models were evaluated using sensitivity analysis and were tested by using nonlinear regression to determine parameter values that are optimal, in that they provide the best match between the measured and simulated heads and flows. The different conceptual models were judged based both on the fit achieved to measured heads and spring flows, and the plausibility of the optimal parameter values. One of the conceptual models considered appears to represent the system most realistically. Any apparent model error is probably caused by the coarse vertical and horizontal discretization. (C) 1999 Elsevier Science Ltd. All rights reserved.
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Additional Metadata
| Name | Value |
|---|---|
| DOI | 10.1016/S0309-1708(98)00053-0 |
| Depth | 2750 |
| Scale | 10 001 - 100 000 km² |
| Layers | 3 |
| Purpose | Groundwater resources |
| GroMoPo_ID | 383 |
| IsVerified | True |
| Model Code | MODFLOW |
| Model Link | https://doi.org/10.1016/S0309-1708(98)00053-0 |
| Model Time | |
| Model Year | 1999 |
| Model Authors | D'Agnese, FA; Faunt, CC; Hill, MC; Turner, AK |
| Model Country | United States |
| Data Available | Report/paper only |
| Developer Email | NA |
| Dominant Geology | Model focuses on multiple geologic materials |
| Developer Country | CO USA |
| Publication Title | Death valley regional ground-water flow model calibration using optimal parameter estimation methods and geoscientific information systems |
| Original Developer | No |
| Additional Information | |
| Integration or Coupling | |
| Evaluation or Calibration | Unsure |
| Geologic Data Availability | No |
How to Cite
This resource is shared under the Creative Commons Attribution CC BY.
http://creativecommons.org/licenses/by/4.0/
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