[MITgcm-support] Shapiro Filter UV length scale

[Yuan Lian]

Hi Nikole,

The short answer is Shap_uvLength is a switch that determines whether the
area weighted divergence of u,v fields are applied before the 
calculation of
wind curvatures (i.e., the second order derivatives of u and v that are 
required
for shapiro filter). As far as I can tell these two options don't make
noticeable difference.

Maybe someone else has a better explanation on this?

Best,
Yuan


On 8/11/11 1:49 PM, Nikole Lewis wrote:
> All-
>     In defining Shap_uvLength =   /* Length scale of Shapiro filter
> (Momentum) */, could someone explain when to use -1 vs 0?
>
> Thanks in advance for any help!
>
> -Nikole Lewis
>
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