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Summary
| Action | NEMO-Wave coupling in the Mediterranean Sea |
|---|---|
| PI(S) | Aimie Moulin, Emanuela Clementi |
| Digest | |
| Dependencies | |
| Branch | source:/NEMO/branches/{YEAR}/dev_r{REV}_{ACTION_NAME} |
| Previewer(s) | TBD |
| Reviewer(s) | TBD |
| Ticket | #2612 |
Description
The wave-current Mediterranean Sea prototype consists on the implementation of a coupled NEMO v4.2 and WW3 modeling system in the Mediterranean Sea, based on the operational CMEMS Med-MFC analysis and forecasting physical system (MedFS).
The aim of the prototype is to assess the impact of wave-current interactions, especially the effect of the wave-induced mixing on the Mediterranean sea circulation and to propose improvements for the next generation CMEMS systems.
The implementation of NEMO trunk in the Mediterranean Sea is done and the setup of the wave model WWIII v6.07 has been finalized. The 2-year simulations for the control experiment without coupling as well as the online coupled system NEMOv4.2-OASIS-WW3 for the Mediterranean sea are on going. The results will be analysed through basin averaged trends and diagnostics, comparison with Insitu (T/S) and satellite (SST) data. Currents, tracers and mixed layer depth modifications are expected when including wave mixing and Langmuir turbulence.
Tested development: Wave-current interaction developments
Stokes drift parameterization (Breivik et al, 2016) Vortex Force Bernoulli Head Pressure term Enhanced mixing by waves in the TKE vertical mixing
Implementation
Domain: Mediterranean Sea + Atlantic box @ 1/24° and 141 vertical levels
Grid(s) and size: 380x1307x141 = 70,029,060 points
Time simulated by experiment: 2 years for each experiment (2019-2020)
Specific outputs: Daily T/S, UV, MLD
Fixed parameterization: key_qco, time splitting, split-explicit free surface, atm. pressure, non-linear bottom friction, EOS-80, MUSCL for tracer adv, bilaplacian lateral diffusion for tracers and momentum, vector form momentum adv, een, no tides
Variable parameterizations: Vertical mixing scheme, Wave current interaction, Langmuir (possibly)
WW3: spectral discretization: 30 frequency (log) and 15° in direction, ST4
Documentation updates
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Preview
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Tests
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Review
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