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Studies on the Morphological Changes by Numerical Modeling Along Kakinada Coasts

  • N. SharmilaEmail author
  • R. Venkatachalapathy
  • M. Mugilarasan
Conference paper
Part of the Lecture Notes in Civil Engineering book series (LNCE, volume 23)

Abstract

Prediction of morphological changes has immense application for development of coastal infrastructure. More relevantly, various sectors are facing the coastal erosion problem, which needs to develop the model for the concern coasts. Even though there are a number of free softwares available to model and validate the coast, commercially available softwares such as MIKE 21 were used in the present study. Hence, this chapter investigates the hydrodynamics, spectral waves and sediment transport modeling by dynamic coupling of waves and currents using MIKE 21 Flexible Mesh coupled model at Kakinada coast. For this study, waves, tides and current data were collected during July and December 2009 (NE and SW seasons). Further, the simulation was done by preparing the model, evaluating the critical factor and providing the sensitivity analysis to evaluate the sediment transport pattern at Kakinada coast. Finally, the model performs various statistical measures and were compared with observed data for calibration during SW and NE monsoons. This calibration shows that the observed data has good agreement with model data. Hence, the overall simulation shows that the transport of sediment is strongly controlled by tidal currents and wave ordination, which significantly enhances bed shear stress that results in increases of sediment remobilization.

Keywords

MIKE 21 Tidal currents Sediment transport Morphological Hydrodynamics Spectral waves 

Notes

Acknowledgements

This study was carried at framework of the MoES research project entitled “Oil Spill Modelling” (Project no: MoES/8-PC/2(2)/2007-PC-IV Dated 27.03.2008) New Delhi. The authors wish to thank Dr. K. Kathirasan, Director and Dean, Faculty of Marine Sciences, Annamalai University, Parangipettai, and Dr. B. R. Subramanian, ICMAM-Project Directorate for his constant encouragement, support and providing all necessary facilities for carrying out this work. Authors also wish to thank all those in the “Oil Spill team” for their valuable support during the field campaign.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • N. Sharmila
    • 1
    Email author
  • R. Venkatachalapathy
    • 2
  • M. Mugilarasan
    • 3
  1. 1.International Maritime AcademyChennaiIndia
  2. 2.Faculty of Marine SciencesCentre of Advanced Study in Marine Biology, Annamalai UniversityParangipettaiIndia
  3. 3.NCSCM, Anna UniversityChennaiIndia

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