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Hydro-morphological modeling to characterize the adequacy of jetties and subsidiary alternatives in sedimentary stock rationalization within tidal inlets of marine lagoons
Faculty
Engineering
Year:
2019
Type of Publication:
ZU Hosted
Pages:
81-95
Authors:
Abdelaziem Mohamed Abdelhamied Negm
Staff Zu Site
Abstract In Staff Site
Journal:
Marine Georesources & Geotechnology Elsevier
Volume:
1
Keywords :
Hydro-morphological modeling , characterize , adequacy , jetties and subsidiary
Abstract:
hydromorphological balance of the inlet system in the short and long-term. Jettied inlets, despite typically supported by former technical design reports in curtailing the sedimentology stock, sometimes they require amendments. This paper provides an expository epitome for understanding the role of jetties in concerning the extent of their adequacy to economically and ecologically rationalize the internal siltation within both the western and the eastern tidal inlets of the Bardawil Lagoon, which is situated along the Mediterranean coastline of the Sinai Peninsula, Egypt. The main tool to characterize that role is the hydro-morphological modeling of the inlets system. We used a two-dimensional hydrodynamic circulation model consisting of two steering modules, CMSFlow and CMS-Wave. In a five-year simulation process, this study emphasized that the sole use of jetties was noticeably insufficient to fulfill the satisfactory stabilization of the sedimentation processes inside the inlets. Consequently, the lake's ecosystem might entirely collapse in the short run due to the progressive deposits fashioning in the form of ebb/flood-tidal deltas. Accordingly, we proposed alternative solutions based on structural modulation scenarios in the vicinity of inlets domain encompassing jetties extension, flow-diverted wall (FDW), sediment trap (ST), random radial channels (RC) and lateral wide channel (LWC). Based upon the results of an optimization model using the Mamdani-type fuzzy inference system, the addition of a lined LWC alongside with jetties proved to be an effective solution over a longer period that rather meets the needs of the majority of stakeholders satisfactorily.
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Mahmoud Taha Abdelmegeed Mahmoud Ghoniem, "THE EFFECT OF PLUGGING STORM PIPE CULVERT ON HEAD LOSS (II)", The Egyptian Int. J. of Eng. Sci. and Technology, 2014
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Abdelaziem Mohamed Abdelhamied Negm, "Performance of Water Bodies Extraction Techniques Techniques 'Embedded in Erdas'", IWTA, 2016
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Abdelaziem Mohamed Abdelhamied Negm, "Assessment of Long Term Thermal Stress on Egyptian Coral Reefs Based on Remotely Sensed Sea Surface Temperature Data,", International Journal of Environmental Science and Development, Vol. 6, No. 12, Dec. 2015., 2015
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Abdelaziem Mohamed Abdelhamied Negm, "An integrated modelling and remote sensing approach for anthropogenic activity impact assessment on the western nearshore area of the Red Sea.,", International Conference on The Marine Environment of The Red Sea, 10-13 November 2014, Jeddah, King Abduaziz University, Saudi Arabia., 2014
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