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International Journal of Innovation and Scientific Research
ISSN: 2351-8014
 
 
Wednesday 27 January 2021

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Integrated 3D geological and hydrodynamic modeling for the water budget estimation: Sisseb El Alem Nadhour Saouaf case study


Volume 52, Issue 2, January 2021, Pages 185–192

 Integrated 3D geological and hydrodynamic modeling for the water budget estimation: Sisseb El Alem Nadhour Saouaf case study

Mohamed Hamdi1, Kalifa Goita2, and Mohamed Faouzi Zagrarni3

1 Centre d’applications et de recherches en télédétection (CARTEL), Université de Sherbrooke, Sherbrooke (Québec), Canada
2 Centre d’applications et de recherches en télédétection (CARTEL), Université de Sherbrooke, Sherbrooke (Québec), Canada
3 U. R. Applied Hydrosciences UR 13 ES 81, Higher Institute of Water Sciences and Techniques, University of Gabes, Cité Erryadh, 6072 Gabes, Tunisia

Original language: English

Received 1 December 2020

Copyright © 2021 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


The current situation of water resources and their uses in the Sisseb El Alem Nadhour Saouaf basin (Central Tunisia) is under strong pressure; human activities and climate change. To arrive at a realistic assessment of the underground water reserves in this basin, a diversified hydrogeological database was created (data from hydraulic and oil drilling, seismic sections, electrical surveys and gravimetric). A structural model is built and validated for the study area. Such a geomodel results from a geological interpretation, which makes it possible to identify the sedimentary series present and to specify their spatial and chronological relationships. This 3D geological model was integrated to Modflow model to assess the flow dynamic and to calculate the water budget. Many simulations were performed. The balance budget over 2020 will be in deficit -14.22 Mm3 and the aquifer will remain in a critical situation: the exploitation will be of the order of 75.43 Mm3. This depends enormously on the progress of the method of extraction of groundwater and over 2030: the global water budget is also deficit -14.5 Mm3.

Author Keywords: 3D geological modeling, Modflow, GIS tools, simulation, water budget.


How to Cite this Article


Mohamed Hamdi, Kalifa Goita, and Mohamed Faouzi Zagrarni, “Integrated 3D geological and hydrodynamic modeling for the water budget estimation: Sisseb El Alem Nadhour Saouaf case study,” International Journal of Innovation and Scientific Research, vol. 52, no. 2, pp. 185–192, January 2021.