[MITgcm-support] eddy transported by mean flow barotropic gyre

[yang.zhang]

Here are some pictures, I add the eddy at the 375 day.


On Wed, Feb 26, 2014 at 4:49 PM, yang.zhang <yang.zhang at mun.ca> wrote:

> It is a barotropic case which has only 1 layer
>
>
> On Wed, Feb 26, 2014 at 4:42 PM, Peng Zhan <peng.zhan at kaust.edu.sa> wrote:
>
>> Hi Yang,
>> I suppose that you added the eddy by adjusting the wind stress would only
>> affect the surface/ near-surface current, for which the EKE is not high
>> enough for propagation. Have you checked how deep is your strong small eddy?
>> Peng
>>
>>
>> On Wed, Feb 26, 2014 at 9:47 AM, yang.zhang <yang.zhang at mun.ca> wrote:
>>
>>> Hi, all
>>>
>>> I am using MITgcm barotropic gyre  to generate a background mean flow,
>>> then when the flow is stable,  I suddenly add a strong small eddy (with
>>> radius smaller than Rossby deformation radius) by adjusting wind stress at
>>> some time point,
>>>
>>> I am expecting to see :
>>> this edyy will be transported by the mean flow and evolves with it.
>>>
>>> However, the eddy is just sitting there and distort the local stream for
>>> a while then the flow field restored back to the previous stable state.
>>>
>>> I am using a  closed basin , free-slip boundary condition, with the
>>> horizontal diffusion coefficient Ah=0 for the momemtum equation.
>>> 500m water depth
>>> 256x256 horizontal grid.
>>>
>>>
>>> Any suggestion ?
>>>
>>> Thank you!
>>> yang
>>>
>>> _______________________________________________
>>> MITgcm-support mailing list
>>> MITgcm-support at mitgcm.org
>>> http://mitgcm.org/mailman/listinfo/mitgcm-support
>>>
>>>
>>
>>
>> --
>>
>> Peng ZHAN
>>
>> ______________________________
>> PhD Student
>> Earth Science & Engineering (ErSE)
>> King Abdullah University of Science and Technology (KAUST)
>> Bldg 1, Lv 4, 4700 KAUST, Thuwal 23955-6900, Jeddah, Saudi Arabia
>> Mobile: +966 544701621
>> Email: *peng.zhan at kaust.edu.sa <peng.zhan at kaust.edu.sa>*
>>
>>
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