NEMO regional configuration of the Severn Estuary

This model configuration has been developed in order to test the NEMO model in a tidal coastal area at 500 m resolution (in preparation for the UK wide NEMO 500 m model development).

Model Summary

Severn Estuary in the UK (-5E to -2E and 50.1N to 51.8N)

The model grid target resolution 500m; with 31 sigma vertical levels. Featuring:

• FES2014 tides
• ERA5 atmospheric forcing
• CMEMS open boundaries & Initial conditions
• Freshwater forcing
• Wetting and Drying

Model Setup

The following process is followed to build and get started with this configuration

git clone https://github.com/JMMP-Group/SEVERN-SWOT.git

Then follow descriptions in: https://github.com/JMMP-Group/SEVERN-SWOT/wiki

Experiment Summary

In the master branch:

• EXP_unforced_constTS Constant initial T and S. No tides. No met.

• EXP_barotropicTide Constant initial T and S. Only tidal forcing. No met.

• EXP_Tide_ERA5 Constant initial T and S. Tidal forcing. ERA5 forcing (sea-level pressure, 10m winds, fluxes etc.).

• EXP_Tide_ERA5_BDY Tidal forcing. ERA5 forcing (sea-level pressure, 10m winds, fluxes etc.), 3D boundary conditions and initial conditions.

In the WAD branch:

• EXP_barotropicTide_WAD Constant initial T and S. Only tidal forcing. No met. With Wetting And Drying.

• EXP_Tide_ERA5_WAD Constant initial T and S. Tidal forcing. ERA5 forcing (sea-level pressure, 10m winds, fluxes etc.). With Wetting And Drying.

• EXP_Tide_ERA5_River_IC_BDY_WAD Tidal forcing. ERA5 forcing (sea-level pressure, 10m winds, fluxes etc.), 3D boundary conditions and initial conditions. River forcing. With Wetting And Drying.