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East Victoria long term hydrodynamic modelling: Dataset and methodology
Dougal Greer1, Rhys McIntosh1, Mark Case2,3
1eCoast, Raglan, New Zealand.
Data in Brief
|October 1, 2024
Summary
A calibrated hydrodynamic model simulates Bass Strait currents, offering insights into East Victorian waters. This tool aids in understanding spatially varying currents using a 3D, multi-resolution approach.
Area of Science:
- Oceanography
- Hydrodynamics
- Computational Fluid Dynamics
Background:
- Understanding water movement in Bass Strait is crucial for marine management and research.
- Existing data from instrument deployments and ADCP provide a basis for model calibration.
Purpose of the Study:
- To develop and present a long-term, multi-resolution, calibrated hydrodynamic model for Bass Strait.
- To provide a tool for describing spatially varying currents in East Victorian waters.
Main Methods:
- A 3-dimensional hydrodynamic model with 16 sigma layers was employed.
- The model was driven by tides, wind, non-tidal sea level, salinity, and temperature (nudging scheme).
- Calibration was performed against historical fixed-location instrument and ADCP data.
Main Results:
- The model successfully simulates hydrodynamic processes in Bass Strait.
- Model performance was validated against measured data, demonstrating good agreement.
- The output provides a comprehensive dataset of spatially varying currents.
Conclusions:
- The calibrated hydrodynamic model is a valuable tool for studying Bass Strait's oceanographic dynamics.
- Despite limitations, the model offers reliable insights into current patterns in East Victorian waters.
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