[MITgcm-support] geostrophic current in ocean modeling

[Yangxin He]

Hi Jody,


Thanks for your quick reply.


I did set my density field to satisfy the thermal wind. When MITgcm solves the Navier Stokes equation, does it scale the density in any way? This may change my thermal wind relation.


Yangxin

________________________________
From: MITgcm-support <mitgcm-support-bounces at mitgcm.org> on behalf of Jody Klymak <jklymak at uvic.ca>
Sent: Tuesday, November 7, 2017 1:25:18 PM
To: mitgcm-support at mitgcm.org
Subject: Re: [MITgcm-support] geostrophic current in ocean modeling

You need to set the density field to satisfy the thermal wind as well.

Cheers,   Jody

Sent from my iPad

On Nov 7, 2017, at 9:28 AM, Yangxin He <y67he at uwaterloo.ca<mailto:y67he at uwaterloo.ca>> wrote:


Hi,


I have a question regarding setting up a geostrophic current in ocean modeling.


I have initialized a geostrophic current V(x,z) through vVelInitFile in data. The initialization seems working fine, but since for the geostrophic current to exist, I need to have rotation (see thermal wind relation). However, since the rotation is on, the current will be changed after the initialization. I would like to have an unchanging current V(x,z), which does not depend on time.

How do you suggest I do this?


Thanks a lot


Yangxin

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