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Ain Shams University (2017)

Integrated Hydrogeophysical and Environmental Studies on Groundwater Aquifers in Wadi El-Natrun Area. Egypt

El-Boghdady, Mohammed Fouad.

Titre : Integrated Hydrogeophysical and Environmental Studies on Groundwater Aquifers in Wadi El-Natrun Area. Egypt

Auteur : El-Boghdady, Mohammed Fouad.

Etablissement de soutenance : Ain Shams University

Grade : Doctor of Philosophy (PhD) in Geophysics 2017

Résumé partiel
The present study deals with the geological impacts on the water bearing formations in the Wadi El-Natrun area. The study area extends between longitudes 30о 00’00” - 30о 45’ 00” East and latitudes 30о05’ 00” - 30о40’ 00” North. It occupies a portion of the extremely arid belt of Egypt, it characterized by hot long summer and short worm winter with low rainfall and high evaporation intensities. The area of study is characterized by a low relief and a mild topography with elevations varying from below sea level to about +150. Generally, the investigated area slopes gently towards the northern and eastern directions. Landforms are classified into 3 geomorphic units. These geomorphic units from north to south are : The first is the alluvial plains are classified into young and old alluvial plains. The young alluvial plains represent the main cultivated lands. The old alluvial plains stretch to the west of the young alluvial plain till Wadi El Natrun, on the western side. The second is the structural plains which occupy a wide area to the south and west of the old alluvial plain and the third is the shifting sand consists of drift sands and sand sheets which cover the wide portions of the old alluvial plains and the lowest parts of the large depressions. The study area is covered by extensive sedimentary exposures ranging in age from Late Cretaceous to Quaternary. In subsurface the sedimentary section has a thickness of about 4000 m resting on the basement rocks. Folds, faults, unconformities and basaltic intrusions mainly affect the area of study. These types of structural elements are the most important factors controlling the groundwater conditions.

Présentation étendue (EULC)

Page publiée le 6 février 2019