Two-dimensional hydrodynamic tidal model for the coastal zone of Jeddah, eastern coast of the Red Sea

A setup of a two-dimensional hydrodynamic model based on Delft3D modeling system for the coastal waters of Jeddah is described. Sensitivity tests of both numerical and physical parameters defined in the model and validation of the numerical model are also described. The model was forced by major tid...

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Bibliographic Details
Published in:Arabian journal of geosciences 2021-10, Vol.14 (19), Article 2006
Main Authors: Alhunaiti, Nora, Fawaz, Madah, Alsaafani, Mohammed
Format: Article
Language:English
Subjects:
Coastal waters
Coastal zone
Coastal zones
Coasts
Earth and Environmental Science
Earth science
Earth Sciences
Error analysis
Flood predictions
Flooding
Hydrodynamics
Mathematical models
Neap tides
Numerical models
Original Paper
Parameter sensitivity
Physical properties
Spring
Statistical analysis
Statistical methods
Tidal constituents
Tidal cycles
Tidal models
Tide prediction
Two dimensional models
Water levels
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Description
Summary:A setup of a two-dimensional hydrodynamic model based on Delft3D modeling system for the coastal waters of Jeddah is described. Sensitivity tests of both numerical and physical parameters defined in the model and validation of the numerical model are also described. The model was forced by major tidal constituents along the open boundary. The performance of the model was evaluated using available water level observations at four sites along Jeddah coast. The simulated tidal elevations showed a very good matching with the observed tidal elevations. The spring and neap tidal cycle are reproduced by the model with good degree. Statistical analysis showed that RMSD error ranges between 0.001 and 0.17 m, while the MAD values vary between 0.02 and 0.08 m. Comparison of simulated and observed amplitudes and phases of the main tidal components also showed a good agreement. The predicted tide-induced current flooding and ebbing features during spring and neap tides were analyzed. The model suggests that the flow in the region is weak where the strengths of the currents increase towards the shallow areas.
ISSN:1866-7511
1866-7538
DOI:10.1007/s12517-021-08372-w