[MITgcm-support] Underestimated ETA values for Global Ocean!

Abhisek Chakraborty abhisek.sac at gmail.com
Sat Mar 16 13:47:18 EDT 2013


Respected Dr. Dimitris Menemenlis,

Ok, now I understand the problem. Hope to simulate somehow realistic eta
values by some trial-n-error (adjusting rain & SSS relaxation to balance
EmPmR) method.

Many thanks for your kind guidance,

regards,
Abhisek


On Sat, Mar 16, 2013 at 10:59 PM, Menemenlis, Dimitris (3248) <
Dimitris.Menemenlis at jpl.nasa.gov> wrote:

>  I don't think you will be able to balance EmPmR with SSS relaxation only.
> I think that a better approach would be to adjust rain.
> The problem of course is that as you adjust rain, EmPmR will change,
> especially if you are using SSS relaxation, because non-linear terms will
> kick in that affect EmPmR.
> So you may have to adjust a second or third time after that, until you are
> happy that sea level
> drift is within reasonable bounds.
>
>   On Mar 16, 2013, at 10:20 AM, Abhisek Chakraborty wrote:
>
> Respected Dr. Dimitris Menemenlis,
>
>  Thanks or your prompt reply. I found that my eta is decreasing and salt
> is increasing with time. I have set SSS relaxation scale of 36 days (10m
> depth for the 1st layer) in my simulation. Can you please suggest me some
> suitable scale for SSS relaxation to get a balance for EmPmR imbalance?
>
>  regards,
> Abhisek
>
>
>
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