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The El Malabiod region, located in the northeast of Algeria and characterized by a semi-arid climate, is experiencing extreme drought, which has worsened the overexploitation of its water resources, particularly the Miocene aquifer that supplies drinking water to the area. Climate change, with reduced precipitation, rising temperatures, and intense evapotranspiration, has further contributed to the decline in the aquifer’s piezometric levels. The objective of this research is to reconstruct the groundwater piezometry of the Miocene aquifer in 2001 using Visual MODFLOW Flex software. The modeling results show a good fit between observed and calculated hydraulic heads, with a high linear correlation (0.98), indicating a strong relationship between the two datasets. The root mean square error (RMSE) obtained is low (7.092), indicating a high level of accuracy in the piezometric reconstruction. This reconstruction provides valuable insights into the variations in the aquifer’s piezometric levels, offering useful information for water resource management. The results highlight the model’s ability to replicate past conditions of the aquifer and can serve as a foundation for future simulations aimed at sustainable water resource management. Future research will focus on exploring various recharge and management scenarios, as well as integrating climate change impacts to refine long-term predictions.

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Numerical Modeling of the Miocene Aquifer Using Visual MODFLOW Flex: Integrated Approach for the Sustainable Management of Water Resources, El Malabiod Basin N.E of Algeria

  • 会议论文

  • 发表日期：

    2026年

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  • Rayene Sirine Ramdani,
  • Mohamed Amine Tatar,
  • Chemseddine Fehdi

摘要

The El Malabiod region, located in the northeast of Algeria and characterized by a semi-arid climate, is experiencing extreme drought, which has worsened the overexploitation of its water resources, particularly the Miocene aquifer that supplies drinking water to the area. Climate change, with reduced precipitation, rising temperatures, and intense evapotranspiration, has further contributed to the decline in the aquifer’s piezometric levels. The objective of this research is to reconstruct the groundwater piezometry of the Miocene aquifer in 2001 using Visual MODFLOW Flex software. The modeling results show a good fit between observed and calculated hydraulic heads, with a high linear correlation (0.98), indicating a strong relationship between the two datasets. The root mean square error (RMSE) obtained is low (7.092), indicating a high level of accuracy in the piezometric reconstruction. This reconstruction provides valuable insights into the variations in the aquifer’s piezometric levels, offering useful information for water resource management. The results highlight the model’s ability to replicate past conditions of the aquifer and can serve as a foundation for future simulations aimed at sustainable water resource management. Future research will focus on exploring various recharge and management scenarios, as well as integrating climate change impacts to refine long-term predictions.