[ncl-talk] Eddy growth rate and Barotropic Instabilities

Dennis Shea shea at ucar.edu
Tue Feb 13 16:39:28 MST 2018

As noted in Wikipedia:
  The *Eady Model* is an atmospheric model for baroclinic instability.

Still, it has been used for the oceans as well. For example:

Sloyan, B. M., and T. J. O'Kane (2015)
Drivers of decadal variability in the Tasman Sea
J. Geophys. Res. Oceans, 120, 3193–3210
doi:10.1002/2014JC010550 <http://dx.doi.org/10.1002/2014JC010550>

See equation (1). There is a brief description of the arguments.

In form, it is the same as used by NCL's 'eady_growth_rate'

I am not familiar with EGR applications for the ocean. Please talk with
your advisor.

Attached is the NCL 'eady_growth_rate' code. You can changes as you see fit.

Good luck

On Tue, Feb 13, 2018 at 6:31 AM, Wickramage Chathurika <
wickramagechathurika at rocketmail.com> wrote:

> Hello,
> I would like to know about the calculation of eddy growth rate and
> barotropic instabilities in ocean using NCL. There are newly derived
> function for atmosphere, but there is not any talk regarding ocean. Highly
> appreciate if you can help me regarding with this.
> Kind regards,
> Chathu
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