[MITgcm-support] Local averages of variables

[Sanjiv Ramachandran]

Martin,

             Thanks for your email. I was not aware of this capability and will certainly use it. But I realized I need to evaluate the local average at every model iteration.  I am using the anomaly of one field to evolve another field in time:


d (Field_2)/dt = constant x (anomaly of Field_1).


anomaly = Field_1 - local average of Field_1


Sanjiv




________________________________
From: MITgcm-support <mitgcm-support-bounces at mitgcm.org> on behalf of Martin Losch <Martin.Losch at awi.de>
Sent: Tuesday, February 12, 2019 3:33 AM
To: MITgcm Support
Subject: Re: [MITgcm-support] Local averages of variables

yes, the diagnostics package can do this with the parameters of the DIAG_STATIS_PARMS namelist. Checkout verification/global_ocean.cs32x15/input.thsice for an example of how to do this. In that experiment, averages over latitude bands are computed.

Martin

> On 11. Feb 2019, at 21:21, Sanjiv Ramachandran <sramachandran at umassd.edu> wrote:
>
> Hi all,
>           I need to compute the horizontal average of fields within specified X and Y limits during the simulation (not offline). Are there built-in routines that can accomplish this, given the following inputs:  a field, imin and imax (X limits), jmin and jmax (Y limits)?
>
> Thanks.
>
> Sanjiv
>
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