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Sadat City University (2013)

PEDOLOGICAL STUDIES OF SOILS BETWEEN WEST EL-MAWHOOB AND ABO MONQAR AREA –WESTERN DESERT – EGYPT

KELADA, SAMEH SAMI BOTROS.

Titre : PEDOLOGICAL STUDIES OF SOILS BETWEEN WEST EL-MAWHOOB AND ABO MONQAR AREA –WESTERN DESERT – EGYPT

Auteur : KELADA, SAMEH SAMI BOTROS.

Etablissement de soutenance : Sadat City University

Grade : Doctor of Philosophy in Environmental Science 2013

Résumé partiel
West El-Mawhoob - Abo Monqar area is one of the virgin areas in the Western desert regarding their land, water resources and characteristics. This area is located at West El-Mawhoob and Abo Monqar, over approximately 450,000 feddan, Western desert, Egypt, At latitude between 25º 30\ 00\\ : 26º 05\ 00\\ N and longitude 27º 55\ 00\\ : 28º 15\ 00\\ E. Its elevation ranges between 100:300 meters above sea level. It is far about 600 km from Cairo. Aims of the present study are : 1- Assessing the dominant soil physical, chemical, and nutritional characteristics of the studied soil area, 2- Recognizing and classifying the main soil types, 3- Identifying the dominant clay minerals in the studied soils using X-Ray diffraction technique, 4- Estimating the capability and suitability of lands for different uses, 5- Creating a base maps for land resource management in a trial to encourage new settlements establishment. Climatologically, Dakhla oasis condition has a summer time with a temperature as high as the tropics. This makes it possible to grow tropical plants. While in winter time, the mild heat makes it favorable to grow the plants of temperate region. Geologicaly, El- Dakhla formation is dominant one that consisting of shale, marl and clay with intercalations of calcareous sandy and silty beds. It forms the major thickness of the succession that overlies the Duwi formation and underlies the Paleocene limestone beds along the scarp face from South El- Kharga to Abo Monqar. It also covers parts of the plain to the West of El- Dakhla and is exposed in the shallow depressions in the Abo Tartor-El Kharga flsh plateau. The tripartite subdivision of El- Dakhla formation in El- Kharga area keeps to gross lithological aspects throughout the various areas in El-Kharga- Abo Monqar stretch, and reflects repeated sea level fluctuations during its deposition. The chosen of West El-Mawhoob and Abo Monqar area may be called as ”The region of plateaus, depressions, plains, sand dunes and sand seas,” since these are the predominant features. However, they do not show any specific distribution pattern, the sand dunes (linear and barchan) and sand sea extend nearly in the West and South sides of the area.

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Page publiée le 7 janvier 2021