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| Type: | Resource | |
| Storage: | The size of this resource is 1.6 KB | |
| Created: | Feb 07, 2023 at 7:55 p.m. | |
| Last updated: | Feb 07, 2023 at 7:56 p.m. | |
| Citation: | See how to cite this resource |
| Sharing Status: | Public |
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| Views: | 599 |
| Downloads: | 219 |
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Abstract
The use of groundwater as water supply has increased dramatically in Santiago, Chile, during the last decades, and there is a need for accurately estimating the actual groundwater supply capacity in the upper Santiago Valley aquifer. The behavior of this aquifer was studied in order to determine the availability of water and the long-range sustainable extraction rate. Water-table depths were simulated using a numerical model with information on recharge from the last 48 years under different extraction policies. With this series of groundwater level data, groundwater level probability distribution functions were determined and extraction statistics were estimated by fitting time series models and by using the crossing theory. With this information, it has been possible to calculate the risk of being unable to supply groundwater demand because the results verify that only 67% of the water rights granted are able to be extracted on a sustained basis with a 90% exceedance probability. Furthermore, the results obtained demonstrate that the method is adequate for determining exceedance probabilities of groundwater flow.
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Additional Metadata
| Name | Value |
|---|---|
| DOI | 10.1007/s10040-003-0292-2 |
| Depth | |
| Scale | 11 - 101 km² |
| Layers | 1 layer |
| Purpose | Groundwater resources |
| GroMoPo_ID | 117 |
| IsVerified | True |
| Model Code | MODFLOW |
| Model Link | https://doi.org/10.1007/s10040-003-0292-2 |
| Model Time | 1951–1998 |
| Model Year | 2003 |
| Model Authors | José F. Muñoz, Bonifacio Fernández , Cristián Escauriaza |
| Model Country | Chile |
| Data Available | Report/paper only |
| Developer Email | jfmunoz@ing.puc.cl |
| Dominant Geology | Unconsolidated sediments |
| Developer Country | Chile |
| Publication Title | Evaluation of groundwater availability and sustainable extraction rate for the Upper Santiago Valley Aquifer, Chile |
| Original Developer | No |
| Additional Information | |
| Integration or Coupling | |
| Evaluation or Calibration | Static water levels;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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