[MITgcm-support] FW: Variable Kh in MITgcm

[Matthew Mazloff]

Hi Neill,

Unfortunately I believe nothing has changed since the response by  
Martin 2 years ago: variable horizontal viscosity and variable  
vertical diffusivity are implemented -- but I don't think variable  
horizontal diffusivity is implemented

Matt




On Oct 1, 2012, at 4:09 AM, Neill Mackay wrote:

> Hi guys,
>
> See below - I thought I should send this to the support as well.
>
> Thanks,
>
> Neill.
>
>
> From: Neill Mackay (ENV)
> Sent: Monday, October 01, 2012 12:06 PM
> To: Matthew Mazloff (mmazloff at ucsd.edu)
> Subject: Variable Kh in MITgcm
>
> Hi Matt,
>
> How are things?
>
> It’s been suggested to me that it might be possible to input a  
> spatially variable horizontal diffusivity into the offline MITgcm in  
> a similar way as I have been doing for the vertical diffusivity.  
> This would be really useful as it seems that the horizontal  
> diffusion ought perhaps to be higher in Drake Passage than in the  
> Pacific. However, a quick search of the e-mail archives suggests  
> that this was not possible in 2010:
>
> http://mitgcm.org/pipermail/mitgcm-support/2010-January/006406.html
>
> Do you know if this is still the case, or by any chance has a means  
> of specifying variable Kh been implemented?
>
> Cheers,
>
> Neill.
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