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Natural Headland Sand Bypassing

Towards Identifying and Modelling the Mechanisms and Processes

Mohd Shahrizal Bin Ab Razak (UNESCO-IHE Institute for Water Education, Delft, The Netherlands)



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CRC Press
29 October 2015
Mathematical modelling; Dams & reservoirs
This study contributes to the understanding of the mechanisms and processes of sand bypassing in artificial and non-artificial coastal environments through a numerical modelling study. Sand bypassing processes in general is a relevant but poorly understood topic. This study attempts to link the theory and physics of sand bypassing processes which is significantly important in definition of coastal sedimentary budget. The main question is how can we model sand bypassing processes and whether the modelled sand bypassing processes represent the actual sand bypassing processes. In this study, it is shown that a process-based model can be used to simulate the processes of sand bypassing around groyne and headland structures. Both hypothetical and real case studies were successfully developed. Results comparisons were made among analytical models, empirical models and field data measurements. In general, the process-based model can produce reasonable results. In summary, through numerical modelling this study reveals the importance of understanding coastal processes and the role of geological controls in governing headland sand bypassing processes and embayed beach morphodynamics. The morphological model developed in this study is useful to increase understanding of the natural sand distribution patterns due to combination of engineering efforts and natural coastal processes.
By:   Mohd Shahrizal Bin Ab Razak (UNESCO-IHE Institute for Water Education Delft The Netherlands)
Imprint:   CRC Press
Country of Publication:   United Kingdom
Dimensions:   Height: 240mm,  Width: 170mm, 
Weight:   386g
ISBN:   9781138028647
ISBN 10:   1138028649
Series:   IHE Delft PhD Thesis Series
Pages:   200
Publication Date:   29 October 2015
Audience:   College/higher education ,  Further / Higher Education
Format:   Paperback
Publisher's Status:   Active
1: Introduction 2: Review of natural sand bypassing processes and modelling approaches 3: Natural processes of sand bypassing around a groyne structure 4: Headland structural impact on the morphodynamics of embayed beaches 5: Embayed beach response due to sand nourishment on the east coast of Malaysia 6: Impact of permanent sand bypassing on the natural sand distribution patterns, southern Gold Coast Australia 7: Summary and conclusion

Mohd Shahrizal Ab Razak (Pahang, Malaysia) started his undergraduate study in Univeristi Tun Hussein Onn Malaysia in 2001 and obtained his Diploma Degree in Civil Engineering Technology in 2004. He earned his Bachelor Degree in Civil Engineering-Construction (Hon.) in 2007 at the same university where he gained his diploma degree. Immediately upon the completion of his bachelor degree, he was offered an academic position at the Civil Engineering Department, Universiti Putra Malaysia and was recruited as a Tutor. In August 2008, he pursued his postgraduate study and obtained his Master Degree in Hydraulics and Hydrology from the Universiti Teknologi Malaysia in August 2009. In September 2010, he got admitted to a joint PhD programme between UNESCO-IHE Institute for Water Education and Delft University of Technology, the Netherlands to pursue his study in coastal morphodynamics modelling. He defended his dissertation and obtained his PhD degree from Delft University of Technology in June 2015. His research interests are in coastal morphodynamic modelling and hydraulics and coastal structures. Currently, he is a lecturer and researcher at the Civil Engineering Department, Universiti Putra Malaysia. He has published several articles in scientific journals and has presented his works in both national and international conferences.

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