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| Type: | Resource | |
| Storage: | The size of this resource is 1.6 KB | |
| Created: | Feb 08, 2023 at 1:59 p.m. | |
| Last updated: | Feb 08, 2023 at 1:59 p.m. | |
| Citation: | See how to cite this resource |
| Sharing Status: | Public |
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| Views: | 520 |
| Downloads: | 211 |
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Abstract
Mathematical groundwater modelling with homogeneous permeability zones has been used for decades to manage water resources in the Almonte-Marismas aquifer (southwest Spain). This is a highly heterogeneous detrital aquifer which supports valuable ecological systems in the Donana National Park. The present study demonstrates that it is possible to better characterize this heterogeneity by numerical discretization of the geophysical and lithological data available. We identified six hydrofacies whose spatial characteristics were quantified with indicator variogram modelling. Sequential Indicator Simulation then made it possible to construct a 3D geological model. Finally, this detailed model was included in MODFLOW through the Model Muse interface. This final process is still a challenge due to the difficulty of downscaling to a handy numerical modelling scale. New piezometric surfaces and water budgets were obtained. The classical model with zones and the model with 3D simulation were compared to confirm that, for management purposes, the effort of improving the geological heterogeneities is worthwhile. This paper also highlights the relevance of including subsurface heterogeneities within a real groundwater management model in the present global change scenario.
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Additional Metadata
| Name | Value |
|---|---|
| DOI | 10.3390/w11010039 |
| Depth | |
| Scale | 1 001 - 10 000 km² |
| Layers | 7 |
| Purpose | Scientific investigation (not related to applied problem) |
| GroMoPo_ID | 249 |
| IsVerified | True |
| Model Code | MODFLOW |
| Model Link | https://doi.org/10.3390/w11010039 |
| Model Time | 1970-1979 |
| Model Year | 2019 |
| Model Authors | Naranjo-Fernandez, N; Guardiola-Albert, C; Montero-Gonzalez, E |
| Model Country | Spain |
| Data Available | Report/paper only |
| Developer Email | nuria.naranjo.phd@gmail.com; c.guardiola@igme.es; emontero@ucm.es |
| Dominant Geology | Unconsolidated sediments |
| Developer Country | Spain |
| Publication Title | Applying 3D Geostatistical Simulation to Improve the Groundwater Management Modelling of Sedimentary Aquifers: The Case of Donana (Southwest Spain) |
| Original Developer | No |
| Additional Information | |
| Integration or Coupling | |
| Evaluation or Calibration | Dynamic water levels |
| Geologic Data Availability |
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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