[MITgcm-support] Tidal simulation using ETA as boundary condition

[Menemenlis, Dimitris (3248)]

Peng, I am no expert but I don't think that boundary elevation will have much impact.
Small elevation inside your domain probably means that your boundary currents
are too small  (or that your model parameters, e.g., time stepping scheme
doesn't allow the current perturbation to propagate correctly).
You may find helpful Xiaochun Wang's notes here:
http://mitgcm.org/viewvc/MITgcm/MITgcm_contrib/tides/
They are supposed to describe steps for forcing regional MITgcm
domains with tides.  If notes are not complete or not clear, feedback
on improving would be most welcome.

Cheers

Dimitris Menemenlis

On Jan 3, 2014, at 7:14 AM, Peng Zhan wrote:

> Dear colleagues,
> 
> I was wonder if any of you could share the experience with tidal simulation using the elevation as the boundary condition? I am now use the tidal current as the obcs, but the simulated elevation is significantly smaller than measurements. 
> 
> From my previous experience, FVCOM use the elevation from the boundary to simulate the tide, how about that in MITgcm?
> 
> Thanks in advance,
> Peng