[MITgcm-support] FW: Variable Kh in MITgcm

[Neill Mackay]

Hi all,

Can anyone confirm if it is still the case that Kh must be uniform in offline MITgcm? A reviewer has suggested that it can be variable.

Thanks,

Neill.


________________________________
From: Matthew Mazloff <mmazloff at ucsd.edu>
Sent: 01 October 2012 16:17
To: mitgcm-support at mitgcm.org
Subject: Re: [MITgcm-support] FW: Variable Kh in MITgcm

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<mailto: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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