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Book Chapter
Helmi, A. M., and O. Zohny, "Flash Flood Risk Assessment in Egypt", Flash Floods in Egypt, Cham, Springer International Publishing, pp. 253 - 312, 2020. Abstract

The subject of the flash flood risk assessment is an inclusive task that relies on the characteristics of the study area and the nature of previously recorded incidents. The Egyptian Nile Wadies (East Nile, and West Nile) are draining toward the highest population density and associated assets, while the Red Sea and Sinai wadies are draining toward high-density touristic compounds and scattered big cities and connecting roads. The existence of high urban densities and associated assets in the highest discharge locations (at wadies outfalls) without adequate consideration of wadi paths led to a considerable wadies encroachments and catastrophic recorded incidents. All recorded incidents are either due to unplanned urban and agricultural expansion, or insufficient flood mitigation measures, or lack of maintenance. Due to the freshwater stress in Egypt, the rainfall harvesting in the form of dams or artificial lakes should be considered as a top priority flood mitigation measure wherever applicable. The total capacity of all flood protection dams and artificial lakes all over Egypt is about 70 million m3 (MWRI 2016) that raises the potentiality for more similar measures to increase the rate of investment return from both flood mitigation and reduction in freshwater stress. The available data for this study were sufficient enough to calculate the catchments peak discharge and runoff volume. The 100 year return period was selected for the peak discharge calculations. Many thresholds have been tested for catchment delineation in order to obtain a reasonable number of catchments suitable for such a regional-scale study. The SRTM 90 × 90 DEM file was utilized as an input in the delineation procedure, with selected threshold was set to 50 km2. Due to the large variance of the catchments peak discharge and runoff volume, the box plot technique was employed to eliminate the ranking outlier values. The catchments were classified into five categories very high risk, high risk, moderate risk, low to moderate risk, and low risk. This categorization was done for the Peak Flow Standardized Risk Factor (PFSRF) and Runoff Volume Standardized Risk Factor (RVSRF) in order to prioritize the flood mitigation measures required for projects. The classification based on the runoff volume can guide the designer accounting for rain harvesting projects that would increase the rate of investment return from both flood mitigation and the reduction of freshwater stress. A two-dimensional HEC-RAS rainfall-runoff modeling is conducted for Ras Gharib city by using updated 30 × 30 DEM files to contain the manmade topographical modifications. The model was verified versus aerial photos for the 2016 incident. In order to assess the effectiveness of the newly constructed culvert (16 vents, 3 m × 3 m box culvert) with attached two dikes, another updated two-dimensional HEC-RAS rainfall-runoff model has been conducted and the results showed significant improvement in flood intensity values in Ras-Gharib city.

Zahran, M., A. Hanafi, O. Mahgoub, and M. Kamel, "FLC Based Photovoltaic Battery Diesel Hybrid System Management and Control” ", 35Th Intersociety Energy Conversion Engineering Conference & Exhibit (IECEC) , vol. 2, Las Vegas, Nevada, pp. 1502-1512, 2000. Abstract
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Zedan, H., "Forward to Africa genetic resources", Crop Genetic Resources of Africa, Volume I, 3. Attere, F., Zedan, H. and Ng. N.Q. (editors) , London, The Trinity Press, U.K., 1991.
Zedan, H., "From Kuala Lumpur to Montecatini to Brazil", Protected areas for achieving biodiversity targets”, Zedan H., K. J. Mulongoy, A. Nogueira, J. Fry, S. B.Gidda, P. Deda, D. Ainsworth, M. Régnier (Eds.), CBD News Special Edition, Montreal, CBD Seretariat, 2005.
Zayed, A., Y. Haggag, S. M. Ezzat, M. A. Salem, and R. Ulber, "Fucoidans as nanoparticles: pharmaceutical and biomedical applications", Polysaccharide Nanoparticles Preparation and Biomedical Applications Micro and Nano Technologies: Elsevier, 2022.
Zayed, A., Y. Haggag, S. M. Ezzat, M. A. Salem, and R. Ulber, "Fucoidans as nanoparticles: pharmaceutical and biomedical applications", Polysaccharide Nanoparticles Preparation and Biomedical Applications Micro and Nano Technologies: Elsevier, 2022.
Ouannas, A., A. T. Azar, T. Ziar, and A. G. Radwan, "Generalized Synchronization of Different Dimensional Integer-Order and Fractional Order Chaotic Systems", Fractional Order Control and Synchronization of Chaotic Systems: Springer International Publishing, pp. 671–697, 2017. Abstract
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Ouannas, A., A. T. Azar, T. Ziar, and A. G. Radwan, "Generalized Synchronization of Different Dimensional Integer-Order and Fractional Order Chaotic Systems", Fractional Order Control and Synchronization of Chaotic Systems: Springer, Cham, pp. 671–697, 2017. Abstract
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Sadry, B. N., K. M. A. Maksoud, and S. Zahabnazouri, "Geotourism Development in the Middle East: A Comparative Study of Iran, Saudi Arabia, Oman and Jordan", Geotourism Development in the Middle East: A Comparative Study of Iran, Saudi Arabia, Oman and Jordan: CABI, 2023.
Soliman, A. H., E. A. Zawahry, and H. M. Bekhit, "GERD Failure Analysis and the Impacts on Downstream Countries", Grand Ethiopian Renaissance Dam Versus Aswan High Dam. The Handbook of Environmental Chemistry: Springer, Cham. https://doi.org/10.1007/698_2017_135, 2017.
Shahin, A. A., and H. S. Zayed, "Hepatitis C Virus- Related Vasculitis", Treatment of Vasculitis, India, SMgroup, 2016. tav-16-04.pdf
Abdel-Sattar*, E., S. E. M. Zalabani, and M. M., "Herbal and Microbial Products for the Management of Obesity", Anti-Obesity Drug Discovery and Development, Sharjah, U.A.E., Bentham science Publishers , 2014. list_of_contributer.pdf
Salama, M. M., Shahira M. Ezzat, M. A. Salem, M. E. H. Bishbishy, D. El-kersh, and A. Zayed, "Herbal cosmetics.Preparation of Phytopharmaceuticals for the management of disorders. The development of Nutraceuticals and Traditional Medicine.", Preparation of Phytopharmaceuticals for the management of disorders. The development of Nutraceuticals and Traditional Medicine.: Elsevier, 2021.
Ayman, M., A. M. Soliman, A. Zaki, M. Latif, and O. A. El-Shafei, "High Performance Robotic Gripper Based on Choice of Feedback Variables”", IEEE International Conference on Information and Automation, Harbin, Heilongjiang, China, 2010. Abstract
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Zhu, L., S. Mattila, R. Matomäki, L. Mollo, S. Ahamed, S. M. Abdou, H. Bashandy, and T. H. Teeri, "Highly Efficient Production of Dihydroflavonol 4-Reductases in Tobacco Cells and Refinement of the BuOH-HCl Enzymatic Assay", Recent Advances in Polyphenol Research, Volume 8, New York, Wiley. online library., 2023.
Salem, M. A., A. Serag, H. E. R. Seedi, D. I. Hemdan, S. M. Ezzat, and A. Zayed, "Identification and analysis of toxic phytochemicals", Phytochemistry, the Military and Health: Elsevier, 2021.
Salem, M. A., A. Serag, H. E. R. Seedi, D. I. Hemdan, S. M. Ezzat, and A. Zayed, "Identification and analysis of toxic phytochemicals", Phytochemistry, the Military and Health: Elsevier, 2021.
Salem, M. A., A. Zayed, and S. M. Ezzat, "Important antihistaminic plants and their potential role in health", Phytochemistry, the Military and Health: Elsevier, 2021.
Khan, H. J., S. O. Rohondia, Z. S. O. Ahmed, N. Zalavadiya, and Q. Ping Dou, "Increasing opportunities of drug repurposing for treating breast cancer by the integration of molecular, histological, and systemic approaches", Drug Repurposing in Cancer Therapy: ELSEVIER, 2020.
Zahra, I. M., "Integrated Marketing Communications (IMC): The Interdisciplinary Concept", Promoting Interdisciplinarity in Knowledge Generation and Problem Solving: IGI Global, 2018.
Zobaa, A. F., S. A. H. E. Aleem, and A. M. Zobaa, "Introductory Chapter: Emerging Electric Machines: Advances, Perspectives and Applications", Emerging Electric Machines: Advances, Perspectives and Applications: IntechOpen, 2021.
El-Sheemy, M. S., and A. M. Ziada, "Islam and Circumcision", Surgical Guide to Circumcision: Springer, pp. 275–280, 2012. Abstract
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El-Sheemy, M. S., and A. M. Ziada, "Islam and Circumcision", Surgical Guide to Circumcision: Springer, pp. 275–280, 2012. Abstract

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El-Sheemy, M. S., and A. M. Ziada, "Islam and Circumcision", Surgical Guide to Circumcision: Springer, pp. 275–280, 2012. Abstract

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Tourism