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| Created: | Feb 08, 2023 at 3:30 a.m. | |
| Last updated: | Feb 08, 2023 at 3:30 a.m. | |
| Citation: | See how to cite this resource |
| Sharing Status: | Public |
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Abstract
This study was carried out to examine the impact of an artificial recharge site on groundwater level and salinity using treated domestic wastewater for the Korba aquifer (north eastern Tunisia). The site is located in a semi-arid region affected by seawater intrusion, inducing an increase in groundwater salinity. Investigation of the subsurface enabled the identification of suitable areas for aquifer recharge mainly composed of sand formations. Groundwater flow and solute transport models (MODFLOW and MT3DMS) were then setup and calibrated for steady and transient states from 1971 to 2005 and used to assess the impact of the artificial recharge site. Results showed that artificial recharge, with a rate of 1500 m(3)/day and a salinity of 3.3 g/L, could produce a recovery in groundwater level by up to 2.7 m and a reduction in groundwater salinity by as much as 5.7 g/L over an extended simulation period. Groundwater monitoring for 2007-2014, used for model validation, allowed one to confirm that the effective recharge, reaching the water table, is less than the planned values.
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Additional Metadata
| Name | Value |
|---|---|
| DOI | 10.3390/w12020341 |
| Depth | 60 |
| Scale | 101 - 1 000 km² |
| Layers | 2 |
| Purpose | Groundwater resources;Salt water intrusion |
| GroMoPo_ID | 168 |
| IsVerified | True |
| Model Code | MODFLOW;MT3DMS |
| Model Link | https://doi.org/10.3390/w12020341 |
| Model Time | 1959–2009 (SS) |
| Model Year | 2020 |
| Model Authors | Horriche, FJ; Benabdallah, S |
| Model Country | Tunisia |
| Data Available | Report/paper only |
| Developer Email | faten.horriche@topnet.tn; sihem.benabdallah@certe.rnrt.tn |
| Dominant Geology | Siliciclastic sedimentary (sandstones, shales) |
| Developer Country | Tunesia |
| Publication Title | Assessing Aquifer Water Level and Salinity for a Managed Artificial Recharge Site Using Reclaimed Water |
| Original Developer | No |
| Additional Information | This study was carried out to examine the impact of an artificial recharge site on groundwater level and salinity using treated domestic wastewater for the Korba aquifer (north eastern Tunisia). The site is located in a semi-arid region affected by seawater intrusion, inducing an increase in groundwater salinity. Investigation of the subsurface enabled the identification of suitable areas for aquifer recharge mainly composed of sand formations. |
| Integration or Coupling | Water use |
| Evaluation or Calibration | Static water levels |
| Geologic Data Availability | Yes |
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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