The Impact of Spur Dikes on the Dynamics of Erosion and Deposition Processes in the Nile River in Abnub Area: A Study in Engineering Geomorphology Using Artificial Intelligence

نوع المستند : المقالة الأصلية

المؤلفون

1 Department of Geography, Faculty of Arts, Port Said University, Egypt

2 Department of Geography, Faculty of Education, Ain Shams University, Egypt

المستخلص

Spur dikes are one the most important factors affecting the degree of activity of the erosion and deposition processes, particularly the vertical at the Nile streambed. In order to study the mutual relations between them, the study relies on the environmental systems approach using artificial intelligence techniques to produce 1D, 2D, 3D maps. The study’s inputs are classified into main ones such as characteristics of spur dikes, DEM, topographic maps, and satellite images; and secondary ones such as hydrological and mechanical characteristics of the Nile streambed sediments, through which it is possible to understand many of the ambiguities in the occurrence of geomorphological changes and try to reach the best suitable spur dikes to protect the banks from the erosion process.This is conducted by application to the Nile stream in the Abnub area, due to the spread of many spur dikes in their various shapes. In addition, they play a major role in the occurrence of vertical and horizontal geomorphological changes, and result in the spread of many phenomena including scour holes, sandbars, and swamps. Above all, spur dikes have proven effective in protecting the banks from the erosion process, and thus have achieved their intended aim.
تعد الرؤوس الحجرية من أهم العوامل المؤثرة في درجة نشاط عمليتي النحت والإرساب وخاصةً الرأسي بقاع مجرى النيل. ولدراسة العلاقات المتبادلة بينهما اعتمدت الدراسة على منهج النظم البيئية باستخدام تقنيات الذكاء الاصطناعي في إنتاج خرائط أحادية وثنائية وثلاثية الأبعاد، وقد تم تصنيف مدخلات الدراسة إلى رئيسية، مثل: خصائص الرؤوس الحجرية وDEM وخرائط طبوغرافية ومرئيات فضائية، ومدخلات ثانوية، مثل: الخصائص الهيدرولوجية والميكانيكية لرواسب قاع مجرى النيل، والتي يمكن عن طريقها تفهم الكثير من الغموض في حدوث التغيرات الجيومورفولوجية ومحاولة الوصول إلى أفضل الرؤوس الحجرية ملائمة لحماية الضفاف من عملية النحت. وذلك بالتطبيق على مجرى النيل بمنطقة أبنوب، وذلك لانتشار العديد من الرؤوس الحجرية بأشكالها المختلفة، كما أن لها دورًا كبيرًا في حدوث التغيرات الجيومورفولوجية الرأسية والأفقية وانتشار العديد من الظاهرات الناتجة عنها، مثل: حفر انجراف، وحواجز رملية، ومستنقعات، كما أثبتت الرؤوس الحجرية فاعليتها في حماية الضفاف من عملية النحت، وبذلك فقد حققت الهدف المنوط بها.

الكلمات الرئيسية

الموضوعات الرئيسية

المراجع

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مجلة کلية الآداب .جامعة بورسعيد
المجلد 27، العدد 27 - الرقم المسلسل للعدد 27
(يناير-الجزء الثالث)
يناير 2024
الصفحة 172-223

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