Integrating Gravimetry and Spatial Analysis for Structural and Hydrogeological Characterization of the Northeast Tadla Plain Aquifer Complex, Morocco

Salahddine Didi, Said El Boute, Soufiane Hajaj, Abdessamad Hilali (), Amroumoussa Benmoussa, Said Bouhachm, Salah Lamine, Abdessamad Najine, Amina Wafik and Halima Soussi
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Salahddine Didi: Geo-Resources and Environment Laboratory, Department of Earth Sciences, Geo-Matics, Faculty of Sciences and Technology, Sultan Moulay Slimane University, Bp 523, Beni Mellal 23000, Morocco
Said El Boute: Research Laboratory of Space, History, Dynamics, and Sustainable Development, Faculty of Arts and Humanities Sais-Fes, Sidi Mohamed Ben Abdellah University, Fes 30000, Morocco
Soufiane Hajaj: Geo-Resources and Environment Laboratory, Department of Earth Sciences, Geo-Matics, Faculty of Sciences and Technology, Sultan Moulay Slimane University, Bp 523, Beni Mellal 23000, Morocco
Abdessamad Hilali: Regional Centre of Agricultural Research of Tadla, National Institute of Agricultural Research (INRA), Avenue Ennasr, Bp 415 Rabat Principal, Rabat 10090, Morocco
Amroumoussa Benmoussa: Geo-Resources and Environment Laboratory, Department of Earth Sciences, Geo-Matics, Faculty of Sciences and Technology, Sultan Moulay Slimane University, Bp 523, Beni Mellal 23000, Morocco
Said Bouhachm: Geo-Resources and Environment Laboratory, Department of Earth Sciences, Geo-Matics, Faculty of Sciences and Technology, Sultan Moulay Slimane University, Bp 523, Beni Mellal 23000, Morocco
Salah Lamine: Geo-Resources and Environment Laboratory, Department of Earth Sciences, Geo-Matics, Faculty of Sciences and Technology, Sultan Moulay Slimane University, Bp 523, Beni Mellal 23000, Morocco
Abdessamad Najine: Geo-Resources and Environment Laboratory, Department of Earth Sciences, Geo-Matics, Faculty of Sciences and Technology, Sultan Moulay Slimane University, Bp 523, Beni Mellal 23000, Morocco
Amina Wafik: AQUABI-OTECH Laboratory, Geosciences Unit, Department of Geology, Faculty of Sciences Semlalia, Cadi Ayyad University, Bp 2390, Marrakech 40000, Morocco
Halima Soussi: 3GIE Laboratory, Mohammadia Engineering School, Mohammed V University, Bp 765, Rabat 10090, Morocco

Geographies, 2025, vol. 5, issue 3, 1-19

Abstract: This study was conducted in the northeast of the Tadla plain, within the Beni Mellal-Khenifra region of Morocco. The primary objective is to elucidate the geometric and hydrogeological characteristics of this aquifer by analyzing and interpreting data from deep boreholes as well as gravimetric and electrical measurements using GIS analysis. First, the regional gradient was established. Then, the initial data were extracted. Subsequently, based on the extracted data, a gravity map was created. The investigation of the Bouguer anomaly’s gravity map exposes the presence of a regional gradient, with values varying from −100 mGal in the South to −30 mGal in the North of the area. These Bouguer anomalies often correlate with exposed basement rock areas and variations in the thickness of sedimentary layers across the study area. The analysis of existing electrical survey and deep drilling data confirms the results of the gravimetry survey after applying different techniques such as horizontal gradient and upward extension on the gravimetric map. The findings enabled us to create a structural map highlighting the fault systems responsible for shaping the study area’s structure. The elaborated structural map serves as an indispensable geotectonic reference, facilitating the delineation of subsurface heterogeneities and providing a robust foundation for further hydrogeological assessments in the Tadla Plain.

Keywords: gravimetric survey; geological structure; gravity map; underground structures; Tadla (search for similar items in EconPapers)
JEL-codes: Q1 Q15 Q5 Q53 Q54 Q56 Q57 (search for similar items in EconPapers)
Date: 2025
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